CN108738082A - Conversation processing method, apparatus and system - Google Patents
Conversation processing method, apparatus and system Download PDFInfo
- Publication number
- CN108738082A CN108738082A CN201710239457.1A CN201710239457A CN108738082A CN 108738082 A CN108738082 A CN 108738082A CN 201710239457 A CN201710239457 A CN 201710239457A CN 108738082 A CN108738082 A CN 108738082A
- Authority
- CN
- China
- Prior art keywords
- session
- policy control
- pdu
- sessions
- control session
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000003672 processing method Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 83
- 230000006870 function Effects 0.000 claims description 94
- 101100477784 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) SMF2 gene Proteins 0.000 claims description 40
- 101150102131 smf-1 gene Proteins 0.000 claims description 36
- 230000005540 biological transmission Effects 0.000 claims description 33
- 230000008859 change Effects 0.000 claims description 16
- 238000009826 distribution Methods 0.000 claims description 15
- 230000011664 signaling Effects 0.000 abstract description 17
- 238000007726 management method Methods 0.000 description 77
- 238000003860 storage Methods 0.000 description 20
- 238000010586 diagram Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 11
- 238000004891 communication Methods 0.000 description 8
- 230000004044 response Effects 0.000 description 7
- 230000006399 behavior Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 230000014759 maintenance of location Effects 0.000 description 4
- 238000011282 treatment Methods 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 230000000977 initiatory effect Effects 0.000 description 3
- 238000004590 computer program Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Computer And Data Communications (AREA)
Abstract
The embodiment of the present application discloses conversation processing method, apparatus and system, for reducing signaling overheads.The embodiment of the present application method includes：Conversation management functional entity SMF sends the instruction of PDU session rebuildings to user equipment (UE)；The SMF receives the foundation request of the second packet data cell PDU sessions from the UE, and the foundation request includes the first instruction information；The SMF indicates that the related information of information and the first policy control session determines the first policy control session according to described first, and determines that the corresponding policy control session of the 2nd PDU sessions is first policy control session.
Description
Technical field
This application involves the communications field more particularly to conversation processing method, apparatus and systems.
Background technology
Packet Data Unit (packet data unit, PDU) session is user equipment (User Equipment, UE) UE
The conversational services of connectivity are realized with data network (data network, DN).It is mobile logical in 5G (fifth-generation)
In letter system, UE can be established first to before Application Function (Application Function, AF) initiating business request
PDU sessions also trigger the foundation of policy control session and Application Function session during establishing PDU sessions.Its
In, policy control session is conversation management functional entity (Session Management Function, SMF) and policy control
The session established between functional entity (Policy Control Function, PCF), for conversating or Business Stream rank
Policy distribution.AF sessions are the sessions established between AF and PCF, for carrying out application layer to the strategy request of network layer.
And in order to meet the different business and conversation continuity demand of application, 5G (fifth-generation) network introduces
Following three kinds of conversation continuity patterns (Session continuity mode, SSC mode)：
(1)SSC mode 1：Within the session period of PDU sessions, user plane expiry feature entity (Terminal User
Plane Function, TUPF) it remains unchanged, address is or not the agreement (Internet Protocol, IP) interconnected between the network of UE
It changes, network side ensures the continuity of session.Wherein, TUPF may be considered the user plane functions reality of anchoring function
Body.
(2)SSC mode 2：For TUPF there are coverage area, UE, which leaves corresponding with service range, will trigger TUPF changes；TUPF
When change, PDU session release of the user on former TUPF, and the TUPF after change rebuilds PDU sessions；At this point, the IP of UE
Location is changed, and network side does not keep the continuity of session.
(3)SSC mode 3：For TUPF there are coverage area, UE, which leaves corresponding with service range, will trigger TUPF changes；At this point,
Although TUPF is changed, it is the need to ensure that the continuity of business.There are two types of guarantee modes：The first needs application layer to match
It closes, when TUPF is changed, existing data flow is tied to the TUPF after change by TUPF before changing by application layer；The
Two kinds do not need application layer cooperation, and available data stream is still tied on TUPF before changing, and newly generated data flow is tied to
On updated TUPF.
For the PDU sessions of 2 types of SSC mode, in the prior art, when TUPF changes occur, network side will discharge
Current PDU sessions and tactful associated session, and UE is notified to re-initiate the request of PDU session establishments.Rebuilding PDU conversation procedures
In, policy control session and relative session (for example, AF sessions) will be also subsequently supplied.
Due to being the change of TUPF, strategy does not change, then the process of Reconstruction Strategy control session will trigger AF
Session rebuilding brings unnecessary operation to AF, wastes the signaling overheads of AF.
Invention content
The embodiment of the present application provides conversation processing method, device and system, for reduce Reconstruction Strategy control session and
The signaling overheads that AF sessions are brought.
The embodiment of the present application first aspect provides a kind of conversation processing method, and this method includes：
When having PDU sessions to be discharged and being rebuild, SMF sends PDU session rebuildings to the corresponding UE of the PDU sessions
Instruction；UE receive PDU session rebuildings instruction after, which can discharge, i.e., release the first PDU sessions, then again to
SMF sends the foundation request of the 2nd PDU sessions, and foundation request includes the first instruction information；SMF receives from the UE
After the foundation request of two PDU sessions, the association of the first instruction information and the first policy control session in being asked according to the foundation
Information determines the first policy control session, and first policy control session is determined as the foundation and asks corresponding 2nd PDU
Policy control session corresponding to session.
It is associated with it should be understood that the related information of the first policy control session refers to having with the first policy control session
System, can be used in the information for determining the first policy control session, which is that SMF is prestored before receiving foundation request
's.
It should also be understood that it is all PDU sessions between the same UE and DN that the first PDU sessions and the 2nd PDU sessions, which refer to, first
PDU sessions are first established, and are released after UE receives reconstruction instruction, and the 2nd PDU sessions are discharged in the first PDU sessions
It establishes later.
SMF in the embodiment of the present application can exist original policy control session and newly-built PDU session associations in this way
Rebuild PDU sessions during, would not Reconstruction Strategy control session, to also avoid the release of AF sessions, reduce weight
It builds policy control session and rebuilds the signaling overheads that AF sessions are brought.
It is based on the embodiment of the present application in a first aspect, in the first realization method of the embodiment of the present application first aspect,
The related information of policy control session may include：The first corresponding pass between first PDU sessions and the first policy control session
System.The first realization method of first aspect based on the embodiment of the present application, at second of the embodiment of the present application first aspect
In realization method, which may include：The UE of UE is identified and the first PDU session identifications of the first PDU sessions, with
Correspondence between the policy control session mark of first policy control session；Accordingly, the first instruction information may include：
The UE is identified and the first PDU session identifications；
After then SMF receives foundation request, so that it may be carried with foundation request with that can be determined according to the correspondence
UE marks and the first PDU session identifications corresponding policy control session mark, then determine policy control session mark again
The policy control session identified is the first policy control session.
The embodiment of the present application provides one kind and determining the first policy control session by related information and the first instruction information
Concrete mode, improve the realizability of scheme.
The first realization method of first aspect based on the embodiment of the present application, the of the embodiment of the present application first aspect
In three kinds of realization methods, which may include：Corresponding first IP address of first PDU sessions and the first PDU meetings
Talk about corresponding DNN marks, the correspondence between the policy control session mark of the first policy control session；Accordingly,
One indicates that information may include：First IP address and DNN marks；
After then SMF receives foundation request, so that it may be carried with foundation request with that can be determined according to the correspondence
The first IP address and DNN identify corresponding policy control session mark, then determine that the policy control session is marked again
The policy control session of knowledge is the first policy control session.
The embodiment of the present application provides another kind and determines the first policy control meeting by related information and the first instruction information
The concrete mode of words improves the flexibility of scheme.
The first realization method of first aspect based on the embodiment of the present application, the of the embodiment of the present application first aspect
In four kinds of realization methods, which may include：The UE of UE is identified and the first PDU session marks of the first PDU sessions
Know, the correspondence between the first IP address corresponding with the first PDU sessions and the corresponding DNN marks of the first PDU sessions；
Accordingly, the first instruction information may include：The UE is identified and the first PDU session identifications；
After then SMF receives foundation request, so that it may be carried with foundation request with that can be determined according to the correspondence
UE mark and corresponding first IP address of the first PDU session identifications and DNN mark, then again determine with first IP address and
It is the first policy control session that the DNN, which identifies corresponding policy control session,.
The embodiment of the present application provides another kind and determines the first policy control meeting by related information and the first instruction information
The concrete mode of words improves the flexibility of scheme.
It is based on the embodiment of the present application in a first aspect, in the 5th kind of realization method of the embodiment of the present application first aspect,
The related information of policy control session may include：Corresponding first IP address of first PDU sessions and the first PDU sessions are corresponding
DNN is identified；
Accordingly, the first instruction information may include：First IP address and DNN marks；
Then SMF receive foundation request after, according to the related information this first indicate information in the first IP address
With DNN marks there are incidence relation, then SMF is assured that first IP address policy control corresponding with DNN marks
Session is the first policy control session.
The embodiment of the present application provides another kind and determines the first policy control meeting by related information and the first instruction information
The concrete mode of words improves the flexibility of scheme.
It is based on the embodiment of the present application in a first aspect, in the 6th kind of realization method of the embodiment of the present application first aspect,
The related information of policy control session may include：The UE of UE is identified and the corresponding DNN of the first PDU sessions is identified and the first PDU
Correspondence between corresponding first IP address of session；
Accordingly, the first instruction information may include：The UE is identified and DNN marks；
Then SMF receive foundation request after, according to the correspondence determine with the foundation request in carry UE mark and
DNN identifies corresponding first IP address, is then determining first IP address policy control session corresponding with DNN marks
It is identified as the first policy control session mark.
The embodiment of the present application provides another kind and determines the first policy control meeting by related information and the first instruction information
The concrete mode of words improves the flexibility of scheme.
Based on the embodiment of the present application in a first aspect, any one reality in the first of first aspect to the 6th kind of realization method
Existing mode, in the 7th kind of realization method of the embodiment of the present application first aspect, SMF can send PDU session rebuildings to UE
The related information of the first policy control session is stored before indicating, specifically, can be worked as SMF determinations and be met preset PDU sessions
When release conditions, just the related information is stored.
The embodiment of the present application provides a kind of concrete mode of SMF storages related information, improves the realizability of scheme.
The third realization method based on the embodiment of the present application first aspect or the 5th kind of realization method, in the application first
In 8th kind of realization method of aspect, SMF can just be stored with first policy control before sending reconstruction instruction to UE
The related information of session, when SMF determinations meet preset PDU session release conditions, SMF retains the related information, i.e., will not
Incidence relation release indicated by the related information.
The embodiment of the present application provides the concrete mode of another SMF storages related information, improves the flexibility of scheme.
The 7th based on the application first aspect or the 8th kind of realization method, the 9th of the embodiment of the present application first aspect the
In kind realization method, which can be the session release caused by being changed TUPF, and cause
The reason of TUPF is changed can be specifically that the position of UE is changed or the corresponding TUPF of the first PDU sessions sends failure.
The embodiment of the present application provides the reason of a variety of triggering SMF storages related informations, improves the flexibility of scheme.
Based on the embodiment of the present application in a first aspect, any one reality in the first of first aspect to the 9th kind of realization method
Existing mode, in the tenth kind of realization method of the application first aspect, SMF is receiving building for the 2nd PDU sessions from UE
Following steps can be executed after vertical request：
SMF is that the foundation asks corresponding 2nd PDU sessions to distribute the first PDU sessions corresponding first IP address, as
2nd PDU sessions distribute IP address identical with the first PDU sessions.
The embodiment of the present application provides a kind of concrete operations that SMF is performed during the 2nd PDU session establishments, carries
The high realizability of scheme.
Based on the embodiment of the present application in a first aspect, any one reality in the first of first aspect to the 9th kind of realization method
Existing mode, in a kind of the tenth realization method of the application first aspect, SMF is receiving the 2nd PDU sessions from UE
Following steps can be executed by establishing after asking：
SMF is that the foundation asks corresponding 2nd PDU sessions to distribute the second IP address, the second IP address and the first PDU meetings
It talks about corresponding first IP address to differ, i.e. SMF is that the 2nd PDU sessions distribution is different with the IP address of the first PDU sessions
IP address；
Correspondingly, SMF for the 2nd PDU sessions after distributing the second IP address, it is also necessary to the first policy control session pair
The PCF answered reports IP address change instruction, to indicate that the IP address that the PCF UE carry out data transmission changes.
The embodiment of the present application provides another SMF concrete operations performed during the 2nd PDU session establishments,
Improve the flexibility of scheme.
The embodiment of the present application second aspect provides another conversation processing method, and this method includes：
When the PDU sessions between UE and DN need to carry out gravity treatment, and the corresponding SMF of the PDU sessions is also required to carry out weight
When selecting, while SMF1 sends the first PDU sessions release request to UE, also releasing for the first policy control session can be sent to PCF
Instruction is put, first policy control session is corresponding with the first AF sessions；PCF receive SMF1 transmission release order after, meeting
According to first policy control session of release that releases order；At the same time, UE is in the first PDU sessions release for receiving SMF1 transmissions
After request, the first PDU sessions can be discharged, and the request of the 2nd PDU session establishments is sent to SMF2；SMF2 receive this second
After the request of PDU session establishments, the foundation request of the second policy control session can be sent to PCF, and is carried in foundation request
First instruction information；After PCF receives the foundation request of the second policy control session of SMF2 transmissions, it can be asked according to the foundation
First instruction information of middle carrying and the related information of the first AF sessions determine the first AF sessions, and the first AF sessions are determined
The AF sessions corresponding to corresponding second policy control session are asked for the foundation.
Original AF sessions can be associated with by the PCF in the embodiment of the present application with newly-built policy control session, be existed in this way
During Reconstruction Strategy controls session, AF sessions would not be rebuild, reduces and rebuilds the signaling overheads that AF sessions are brought.
Based on the embodiment of the present application second aspect, in the first realization method of the embodiment of the present application second aspect, PCF
Releasing order for the first policy control session received may include the second instruction information, which is used for this
PCF instructions SMF1 can not continue as the corresponding UE of the first policy control session and provide service.
The second instruction information can be carried by releasing order in the embodiment of the present application so that PCF is known that the first plan of release
The reason of slightly controlling session improves the flexibility of scheme to which PCF can execute other corresponding operations.
The first realization method based on the embodiment of the present application second aspect, the second of the embodiment of the present application second aspect
In kind realization method, which may include：First PDU session identifications of the first PDU sessions.It should be understood that second
Instruction information can only include the first PDU session identifications, and the first PDU session identifications are as specific instruction information at this time, i.e.,
When PCF receives the first PDU session identifications, you can to think that it is corresponding that SMF1 can not continue as the first policy control session
UE provides service.Second instruction information also includes other reasons value information or the specific finger other than the first PDU session identifications
Show information, indicates that SMF1 can not continue as the first policy control session to PCF by the reason value information or specific instruction information
Corresponding UE provides service.
The embodiment of the present application can inform the reason of PCF discharges the first policy control session in several ways, improve
The flexibility of scheme.
Based on the embodiment of the present application second aspect, the first or second kind realization method of second aspect is implemented in the application
In the third realization method of example second aspect, the related information of the first AF sessions can specifically include：First PDU sessions correspond to
UE UE mark and the first PDU sessions the first session identification, between the AF session identifications of the first AF sessions it is corresponding close
System；Accordingly, the first instruction information may include：The UE is identified and the first PDU session identifications；
After then PCF receives the foundation request that SMF2 is sent, it can be determined according to the correspondence in being asked with the foundation
UE marks and the corresponding AF session identifications of the first PDU session identifications, and determine that the AF sessions that are identified of the AF session identifications are
First AF sessions.
The embodiment of the present application provides a kind of mode determining the first AF sessions according to related information and the first instruction information,
Improve the realizability of scheme.
The third realization method based on the embodiment of the present application second aspect, the 4th of the embodiment of the present application second aspect the
In kind of realization method, PCF can be after receiving the releasing order of SMF1 transmissions and in the foundation request for receiving SMF2 and sending
Before, the related information is stored.
The embodiment of the present application provides a kind of concrete mode of the first correspondence of storage, improves can be achieved for scheme
Property.
The first realization method based on the embodiment of the present application second aspect or second aspect, in the embodiment of the present application second
In 5th kind of realization method of aspect, the related information of the first AF sessions can specifically include：First PDU sessions corresponding first
IP address and the corresponding DNN marks of the first PDU sessions, the correspondence between the AF marks of the first AF sessions；
Accordingly, the first instruction information may include DNN marks and first IP address；
It, can be determined according to related information after then PCF receives the foundation request of the second policy control session of SMF2 transmissions
The AF marks corresponding to DNN marks and the first IP address in foundation request, then determine that the AF identifies identified AF sessions
For the first AF sessions.
The embodiment of the present application provides another side that the first AF sessions are determined according to related information and the first instruction information
Formula improves the flexibility of scheme.
The 5th kind of realization method based on the embodiment of the present application second aspect, the 6th of the embodiment of the present application second aspect the
In kind of realization method, PCF can store the related information, then PCF is connecing before receiving the releasing order of SMF1 transmissions
Receive SMF2 transmission release order after, retain the related information, i.e., do not discharge the related information.
The embodiment of the present application provides the concrete mode of another storage related information, improves the flexibility of scheme.
The embodiment of the present application third aspect provides a kind of conversation processing method, and this method includes：
When meeting preset PDU session release conditions, SMF can send the release request of the first PDU sessions to UE, this is released
It puts comprising instruction is rebuild in request, it, can be according to release request release first after UE receives the release request of the first PDU sessions
PDU sessions, and indicated after the completion of the first PDU sessions discharge according to the reconstruction in release request, send the 2nd PDU sessions
Establish request, comprising the first instruction information in foundation request so that receive foundation request SMF can according to this
The related information of one instruction information and pre-stored first policy control session is by the 2nd PDU sessions and the first policy control meeting
Words association, or the SMF for receiving foundation request is made to send the foundation request of the second policy control session to PCF, and at this
It establishes in request and carries the first instruction information.
In the embodiment of the present application, after UE receives reconstruction instruction, the foundation request of the 2nd PDU sessions can be sent to SMF, and
First instruction is carried in foundation request so that SMF can be according to the first instruction information by the 2nd PDU sessions and first
Policy control session is associated with, and this makes it possible to avoid during rebuilding PDU sessions, is carried out to policy control session and AF sessions
It rebuilds, reduces signaling overheads.
It, should in the first realization method of the embodiment of the present application third aspect based on the embodiment of the present application third aspect
The related information of pre-stored first policy control session may include the UE marks of UE and the first PDU of the first PDU sessions
Correspondence between session identification, and the policy control session mark of the first policy control session；Then accordingly, the first instruction
Information may include the first PDU session identifications of UE marks and the first PDU sessions.
The embodiment of the present application provides a kind of concrete mode that SMF can be made to determine the first policy control session, improves
The realizability of scheme.
The first realization method based on the embodiment of the present application third aspect, the second of the embodiment of the present application third aspect
In kind realization method, UE can be the 2nd PDU sessions distribution and the first PDU meetings before the foundation request for sending the 2nd PDU sessions
Talk about identical PDU session identifications, as the 2nd PDU sessions distribute the first PDU session identifications, by this are again then the 2nd PDU meetings
First PDU session identifications of words distribution are carried in the first instruction information.
The embodiment of the present application provides a kind of concrete mode of the instruction of determination first information, improves can be achieved for scheme
Property.
The first realization method based on the embodiment of the present application third aspect, in the third of the embodiment of the present application third aspect
In kind realization method, UE can be the 2nd PDU sessions distribution and the first PDU meetings before the foundation request for sending the 2nd PDU sessions
Talk about different PDU sessions, as the 2nd PDU sessions distribute the 2nd PDU session identifications, while by the PDU meetings of the first PDU sessions
Words mark, i.e., the first PDU session identifications are carried in the first instruction information.
The embodiment of the present application provides another concrete mode for determining the first instruction information, improves the flexible of scheme
Property.
It, should in the 4th kind of realization method of the embodiment of the present application third aspect based on the embodiment of the present application third aspect
The related information of pre-stored first policy control session may include that the corresponding IP address of the first PDU sessions and DNN are identified,
Correspondence between the policy control session mark of the first policy control session；Then accordingly, the first instruction information can be with
Including DNN marks and the first IP address.
The embodiment of the present application, which provides another kind, can make SMF determine the concrete mode of the first policy control session, carry
High scheme can flexibility.
The embodiment of the present application fourth aspect provides a kind of conversation processing method, and this method includes：
When the first PDU sessions between UE and DN are released, and need to establish the 2nd PDU sessions between the UE and the DN
When, UE can send the foundation request of the 2nd PDU sessions to SMF, and SMF receives the foundation request of the 2nd PDU sessions, executes corresponding
Operation to complete the foundation of the 2nd PDU sessions, and during the 2nd PDU session establishments, the second strategy is sent to PCF
The foundation request of session is controlled, foundation request includes the first instruction information, so that PCF can believe according to first instruction
Breath and the related information of the first AF sessions determine the first AF sessions, and the second policy control session and the first AF sessions are closed
Connection determines that the AF sessions of the second policy control session are the first AF sessions.
In the embodiment of the present application, after SMF receives the foundation request of the 2nd PDU sessions, the second strategy control can be sent to PCF
The foundation of session processed is asked, and the first instruction is carried in foundation request so that PCF can be according to the first instruction information
By the second policy control session and the first AF session associations, this makes it possible to avoid rebuilding PDU sessions and policy control session
During, AF sessions are rebuild, signaling overheads is reduced.
Based on the embodiment of the present application fourth aspect, in the first realization method of the embodiment of the present application fourth aspect, SMF
After the foundation request for receiving the 2nd PDU sessions, parses the foundation and ask to obtain the UE marks of UE and the PDU of the 2nd PDU sessions
Session identification, and the PDU session identifications of the 2nd PDU sessions and UE marks are carried on the second strategy as the first instruction information
In the foundation request for controlling session.It should be understood that in this realization method, the PDU session identifications of the 2nd PDU sessions are UE distribution
, the PDU session identifications are identical as the PDU session identifications of the first PDU sessions.
The embodiment of the present application provides a kind of concrete mode of SMF carrying the first instruction information, and improve scheme can be real
Existing property.
Based on the embodiment of the present application fourth aspect, in second of realization method of the embodiment of the present application fourth aspect, SMF
After the foundation request for receiving the 2nd PDU sessions, parses the foundation and ask to obtain the UE marks of UE and the PDU of the first PDU sessions
Session identification, SMF determine the 2nd PDU sessions foundation request be reconstruction request, SMF by UE identify and the first PDU sessions
PDU session identifications as first instruction information be carried on the second policy control session foundation request in.
It is reconstruction request that SMF, which can perceive the 2nd PDU sessions, in the embodiment of the present application, is convenient for subsequent operation, the side of improving
The realizability of case.
Based on the embodiment of the present application fourth aspect, in second of realization method of the embodiment of the present application fourth aspect, SMF
After the foundation request for receiving the 2nd PDU sessions, parses the foundation and ask to obtain DNN marks and the corresponding IP of the first PDU sessions
Address, SMF determine that the foundation request of the 2nd PDU sessions is reconstruction request, and SMF identifies the DNN and IP address is as first
Indicate that information is carried in the foundation request of the first policy control session.Also, during the 2nd PDU session establishments, SMF
Can also be that the 2nd PDU sessions distribute IP address identical with the first PDU sessions.
The embodiment of the present application provides the concrete mode of another SMF carrying the first instruction information, and improve scheme can
It is realisation.
The 5th aspect of the embodiment of the present application provides a kind of conversation management functional entity, which has
Realize the function of conversation management functional entity behavior in above-mentioned first aspect.The function can also be led to by hardware realization
It crosses hardware and executes corresponding software realization.The hardware or software include one or more modules corresponding with above-mentioned function.
The 6th aspect of the embodiment of the present application provides a kind of policy control functions entity, which has
Realize the function of policy control functions entity behavior in above-mentioned second aspect.The function can also be led to by hardware realization
It crosses hardware and executes corresponding software realization.The hardware or software include one or more modules corresponding with above-mentioned function.
The 7th aspect of the embodiment of the present application provides a kind of user equipment, which, which has, realizes the above-mentioned third aspect
The function of middle user equipment behavior.The function can also execute corresponding software realization by hardware realization by hardware.
The hardware or software include one or more modules corresponding with above-mentioned function.
The embodiment of the present application eighth aspect provides a kind of conversation management functional entity, which has
Realize the function of conversation management functional entity behavior in above-mentioned fourth aspect.The function can also be led to by hardware realization
It crosses hardware and executes corresponding software realization.The hardware or software include one or more modules corresponding with above-mentioned function.
The 9th aspect of the embodiment of the present application provides a kind of session processing system, which includes：Policy control functions are real
Body, the first conversation management functional entity and the second conversation management functional entity；
Wherein, the first conversation management functional entity is used for：The instruction of PDU session rebuildings is sent to UE, and to policy control work(
Energy entity sends releasing order for the first policy control session, the first policy control session and the first Application Function AF sessions
It is corresponding；
Second conversation management functional entity is used for：The 2nd PDU session establishments request from UE is received, and to policy control
Functional entity sends the foundation request of the second policy control session, establishes request and includes the first instruction information；
Policy control functions entity is used for：According to the first policy control session of release that releases order, believed according to the first instruction
Breath and the related information of the first AF sessions determine the first AF sessions, and determine that the corresponding AF sessions of the second policy control session are the
One AF sessions.
It is released in the first realization method of the 9th aspect of the embodiment of the present application based on the 9th aspect of the embodiment of the present application
It includes the second instruction information to put instruction, and it is real that the second instruction information is used to indicate the first conversation management functional of policy control functions entity
Body can not continue as the corresponding UE of the first policy control session and provide service.
The tenth aspect of the embodiment of the present application provides a kind of computer storage media, and the computer storage media is for storing
For the computer software instructions used in above-mentioned conversation management functional entity or policy control functions entity or user equipment, packet
It includes for executing as the program designed by conversation management functional entity or policy control functions entity or user equipment.
The conversation management functional entity can be as in terms of the aforementioned 5th or conversation management functional described in eighth aspect is real
Body.
Policy control functions entity policy control functions entity as described in terms of the aforementioned 6th.
The tenth one side of the embodiment of the present application provides a kind of computer program product, which includes meter
Calculation machine software instruction, the computer software instructions can be loaded to realize above-mentioned first aspect to fourth aspect by processor
Any one of conversation processing method in flow.
As can be seen from the above technical solutions, the embodiment of the present application has the following advantages：
SMF in the embodiment of the present application can exist original policy control session and newly-built PDU session associations in this way
Rebuild PDU sessions during, would not Reconstruction Strategy control session, to also avoid the release of AF sessions, reduce weight
It builds policy control session and rebuilds the signaling overheads that AF sessions are brought.
Description of the drawings
In order to illustrate more clearly of the technical solution of the embodiment of the present application, required use in being described below to embodiment
Attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present application.
Fig. 1 is the basic framework schematic diagram of 5G communication networks；
Fig. 2 is the Establishing process figure of PDU sessions；
Fig. 3 is one embodiment schematic diagram of conversation processing method in the embodiment of the present application；
Fig. 4 is another embodiment schematic diagram of conversation processing method in the embodiment of the present application；
Fig. 5 is another embodiment schematic diagram of conversation processing method in the embodiment of the present application；
Fig. 6 is another embodiment schematic diagram of conversation processing method in the embodiment of the present application；
Fig. 7 is another embodiment schematic diagram of conversation processing method in the embodiment of the present application；
Fig. 8 is one embodiment schematic diagram of conversation management functional entity in the embodiment of the present application；
Fig. 9 is one embodiment schematic diagram of policy control functions entity in the embodiment of the present application；
Figure 10 is one embodiment schematic diagram of session processing system in the embodiment of the present application；
Figure 11 is that another implementation of conversation management functional entity or policy control functions entity in the embodiment of the present application illustrates
It is intended to.
Specific implementation mode
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.
Term " first ", " second ", " third " " in the description and claims of this application and above-mentioned attached drawing
The (if present)s such as four " are for distinguishing similar object, without being used to describe specific sequence or precedence.It should manage
The data that solution uses in this way can be interchanged in the appropriate case, so that embodiments herein described herein for example can be to remove
Sequence other than those of illustrating or describe herein is implemented.In addition, term " comprising " and " having " and theirs is any
Deformation, it is intended that cover it is non-exclusive include, for example, containing the process of series of steps or unit, method, system, production
Product or equipment those of are not necessarily limited to clearly to list step or unit, but may include not listing clearly or for this
The intrinsic other steps of processes, method, product or equipment or unit a bit.
The embodiment of the present application provides a kind of conversation processing method, and apparatus and system controls meeting for reducing Reconstruction Strategy
The signaling overheads that words and AF sessions are brought.
It should be understood that the embodiment of the present application can be applied to 5G architectures of communication networks, other network architectures are can also be applied to, are had
It is not construed as limiting in body the embodiment of the present application.5G architectures of communication networks is simply introduced below, referring to Fig. 1, Fig. 1 is logical for 5G
The basic framework of communication network.
In the network architecture, Application Function (Application Function, AF) is mainly responsible for transmission application
The demand of side to network side, such as service quality (Quality of Service, Qos) demand etc..
Policy control functions entity (Policy Control Function, PCF) is mainly responsible for the meter to session and business
Take the control of the strategy such as rule, Qos, mobility.
Conversation management functional entity (Session Management Function, SMF) is mainly responsible for session association, PCF
The session managements work such as the execution of the control strategy issued, the selection of TUPF, the IP address distribution of UE.
Access and mobile management function to ps domain entity (Acess and Mobility Management Function, AMF)
It is mainly responsible for the accesses such as mobile management, access authentication/mandate and mobile management work.
User plane expiry feature entity (Terminal User Plane Function, TUPF), as data network
Interface user plane functional entity (User Plane function, UPF), be mainly responsible for user face data forwarding, it is dialogue-based/
He counts for the charging of stream grade, the work such as bandwidth limitation.
((Next Generation Access Network, NG AN) is corresponded in 5G communication networks Next Generation Access
Different access nets.
Next-generation terminal (Next Generation User Equipment, NG UE) corresponds to the end in 5G communication networks
End.
It should be understood that policy control functions entity in Fig. 1, conversation management functional entity, user plane expiry feature entity are only
One name, name itself do not constitute entity restriction, are also possible to be replaced by " plan for example, being somebody's turn to do " policy control functions entity "
Slightly control function " or other names；" conversation management functional entity " be also possible to be replaced by " conversation management functional " or other
Name, moreover, it includes also other functions other than policy control functions that the policy control functions entity, which can correspond to one,
Entity, it includes the also entity of other functions other than conversation management functional that conversation management functional entity, which can correspond to one, is used
It includes the also entity of other functions other than user plane expiry feature that family face expiry feature entity, which can correspond to one, herein
It is described collectively, is repeated no more below.
Any one functional node in the above-mentioned network architecture or network element, in the specific implementation, may be by an entity device
It realizes, also agrees to realize that the embodiment of the present application is not especially limited this jointly by multiple entity devices.I.e., it is possible to understand,
Any one functional node in above-mentioned Fig. 1 or network element all may be a logic functional block in entity device, also may be used
The logic functional block that can be made of multiple entity devices, the embodiment of the present application are not especially limited this.Based on upper
The network architecture is stated, after UE adheres to 5G networks, it will triggering one or more PDU sessions and the foundation of policy control session, under
It is simply introduced in face of the Establishing process of PDU sessions and policy control session, referring to Fig. 2, PDU sessions and policy control meeting
The Establishing process of words includes：
UE sends the request of PDU session establishments to AMF by AN；
AMF, which is selected as the PDU session establishments, asks corresponding PDU sessions to provide the SMF of service, preserves the SMF and the PDU
The correspondence of session, and PDU session establishments request is sent to the SMF；
SMF is that UE selects corresponding TUPF, establishes user plane transmission path by the TUPF, and with distributing IP for the UE
Location, at the same time, SMF can also control session establishment request to PCF sending strategys；
And during policy control session is established, SMF can preserve policy control session pass corresponding with PDU sessions
System, can also establish AF sessions, the correspondence of the AF sessions and the policy control session is then stored by PCF between AF and PCF.
Through the above way or other modes are established after PDU sessions, when meeting certain condition, are needed to the PDU meetings
Words are rebuild, then can be handled the PDU sessions by the conversation processing method in the embodiment of the present application, specifically,
Referring to Fig. 3, one embodiment of conversation processing method includes in the embodiment of the present application：
301, SMF sends the instruction of PDU session rebuildings to UE；
When SMF determines that the PDU sessions between UE and DN are rebuild, SMF sends PDU session rebuildings to the UE and refers to
Show, PDU session rebuildings instruction is used to indicate the UE after the completion of the first PDU sessions discharge, and initiates new PDU session establishments and asks
It asks, i.e. the foundation request of the 2nd PDU sessions.It should be understood that it is all the same UE and DN that the first PDU sessions and the 2nd PDU sessions, which refer to,
Between PDU sessions.
302, SMF receives the foundation request of the 2nd PDU sessions from UE；
UE receives the PDU session rebuildings instruction of SMF transmissions, and after the completion of the first PDU sessions discharge, sends second
The foundation of PDU sessions is asked, and SMF receives foundation request, and the first instruction information is included in foundation request.It should be understood that this Shen
Please SMF is received in embodiment foundation request, it is that SMF receives the message that the 2nd PDU interactive functions are established with request to refer to,
That is, what SMF received can establish request message, it is also possible to session management request message, session management service message, or
Other can ask the message for establishing the 2nd PDU sessions to SMF.
Such as UE, after the completion of the first PDU sessions discharge, send the 2nd PDU sessions establishes request message, and AMF connects
The request message is received, and determines that recipient is the SMF according to the request message, then AMF sends session management request to the SMF
Message or session management service message, the session management request message or management service message are used to establish second to SMF requests
PDU sessions, and include the first instruction information in the session management request message or management service message.It should be understood that in addition to above-mentioned
Mode, SMF can also receive foundation request by other means, and this is not limited here.
303, the related information of the first instruction information and the first policy control session during SMF is asked according to the foundation determines
First policy control session, and determine that the corresponding policy control session of the 2nd PDU sessions is first policy control session.
First during SMF is asked according to the foundation indicates that the related information of information and the first policy control session determines first
Policy control session, and by first policy control session and the 2nd PDU session associations, that is, determine that the 2nd PDU sessions are corresponding
Policy control session is first policy control session.
It is associated with it should be understood that the related information of the first policy control session refers to having with the first policy control session
System, can be used in the information for determining the first policy control session, which is that SMF is prestored before receiving foundation request
's.
In the embodiment of the present application, after SMF sends the instruction of PDU session rebuildings to UE, the 2nd PDU sessions of UE transmissions are will receive
Request is established, foundation request includes the first instruction information, and then SMF can be according to the first instruction information and the first strategy
The related information of control session determines the first policy control session, and first policy control session is determined as the two PDU meetings
Talk about corresponding policy control session.As it can be seen that SMF in the embodiment of the present application can by original policy control session with it is newly-built
PDU session associations, in this way during rebuilding PDU sessions, would not Reconstruction Strategy control session, to also avoid AF meetings
The release of words reduces Reconstruction Strategy control session and rebuilds the signaling overheads that AF sessions are brought.
Based on the corresponding embodiments of above-mentioned Fig. 3 it is found that the related information of the first policy control session, which is SMF, is receiving second
The foundation request of PDU sessions stores before, and specifically, SMF can trigger storage operation in different situations, below with
The storing process is described in detail in one embodiment, referring to Fig. 4, in the embodiment of the present application conversation processing method another reality
Applying example includes：
401, SMF stores the related information of the first policy control session；
After the completion of the first PDU session establishments between UE and DN, when the first PDU sessions meet preset session released strip
When part, SMF stores the related information of the first policy control session corresponding with the first PDU sessions.
Specifically, the related information of the first policy control session can be the first PDU sessions and the first policy control session
Between correspondence, and the first PDU sessions and the first policy control session can be identified in several ways, then SMF
The information that can will identify the first PDU sessions, storage corresponding with can be identified for that the information of the first policy control session, below
Wherein several ways are introduced, the following table 1 is please referred to：
| First PDU sessions | First policy control session | |
| Mode 1 | UE is identified, the first PDU session identifications | Policy control session identifies |
| Mode 2 | First IP address, DNN marks | Policy control session identifies |
| Mode 3 | UE is identified, the first PDU session identifications | First IP address, DNN marks |
Table 1
Wherein, UE marks refer to that the mark of the corresponding UE of the first PDU sessions, the first PDU session identifications refer to first
The PDU session identifications of PDU sessions, the first IP address refer to the corresponding IP address of the first PDU sessions, and DNN marks refer to the
The mark of the corresponding DNN of one PDU sessions, policy control session identify the session identification for referring to the first policy control session.
In mode 1, the correspondence between the first PDU sessions and the first policy control session is specially：First PDU meetings
Words mark and UE marks, the correspondence between being identified with policy control session, wherein UE is identified and the first PDU session identifications
For identifying the first PDU sessions, policy control session mark is for identifying the first policy control session.
In mode 2, the correspondence between the first PDU sessions and the first policy control session is specially：First IP
Location and DNN marks, the correspondence between being identified with policy control session, wherein the first IP address and DNN marks are for identifying
First PDU sessions, policy control session mark is for identifying the first policy control session.
In mode 3, the correspondence between the first PDU sessions and the first policy control session is specially：First PDU meetings
Correspondence between words mark and UE marks, with the first IP address and DNN marks, wherein UE is identified and the first PDU session marks
Know for identifying the first PDU sessions, the first IP address and DNN marks are for identifying the first policy control session.
Related information, can be in addition to that can be the correspondence between the first PDU sessions and the first policy control session
It is that can specifically refer to the following two kinds mode to the PDU session informations that the first policy control session is identified：
Mode 4, the first policy control session related information be specially：Corresponding first IP address of first PDU sessions and
The corresponding DNN marks of first PDU sessions；
Mode 5, the first policy control session related information be specially：The corresponding DNN marks of first PDU sessions and first
The corresponding UE of PDU sessions identifies the correspondence of the first IP address corresponding with the first PDU sessions.
It should be noted that the related information described in aforesaid way 2 and mode 4 can be that SMF is establishing the first PDU meetings
It is stored during words, and when the first PDU sessions meet preset PDU session release conditions, SMF can close the correspondence
The correspondence is stored again after system's release, can also directly be retained the correspondence, i.e., not discharged the correspondence.
It should also be noted that, in the embodiment of the present application, PDU session release conditions are that user or system are preset,
Can be specifically that the position of the corresponding UE of the first PDU sessions is changed or the corresponding TUPF of the first PDU sessions breaks down,
Or other need the situation to TUPF progress gravity treatments, this is not limited here.
It should also be noted that, in addition to above-mentioned 5 kinds of modes, related information can also be other information, not make herein specifically
It limits.
402, SMF sends the instruction of PDU session rebuildings to UE；
When the first PDU sessions meet preset session release conditions, and the association letter of SMF the first policy control sessions of storage
After breath, SMF sends the instruction of PDU session rebuildings to the UE, and PDU session rebuildings instruction is used to indicate the UE in the first PDU sessions
After the completion of release, new PDU session establishments request, i.e. the foundation request of the 2nd PDU sessions between the UE and the DN are initiated.
403, SMF receives the foundation request for the 2nd PDU sessions that UE is sent；
UE receives the PDU session rebuildings instruction of SMF transmissions, and after the completion of the first PDU sessions discharge, sends second
The foundation of PDU sessions is asked, and SMF receives foundation request, and the first instruction information is included in foundation request.It should be understood that this Shen
Please SMF is received in embodiment foundation request, it is that SMF receives the message that the 2nd PDU interactive functions are established with request to refer to,
That is, what SMF received can establish request message, it is also possible to session management request message, session management service message, or
Other can ask the message for establishing the 2nd PDU sessions to SMF.
Such as UE, after the completion of the first PDU sessions discharge, send the 2nd PDU sessions establishes request message, and AMF connects
The request message is received, and determines that recipient is the SMF according to the request message, then AMF sends session management request to the SMF
Message or session management service message, the session management request message or management service message are used to establish second to SMF requests
PDU sessions, and include the first instruction information in the session management request message or management service message.
It should be understood that in addition to aforesaid way, SMF can also receive foundation request by other means, not make herein specifically
It limits.
It should be noted that corresponding above-mentioned different related information, establishes the first entrained instruction information of request also not
Together, specifically：
Corresponding to the mode 1 in above-mentioned steps 401, which is specially：First PDU session identifications and UE marks
Know；
Corresponding to the mode 2,3 or 4 in above-mentioned steps 401, which is specially：First PDU sessions correspond to
The first IP address and DNN mark；
Corresponding to the mode 5 in above-mentioned steps 401, which is specially：The corresponding DNN of first PDU sessions
Mark and UE marks.
It is distributed it should also be noted that, UE before sending the foundation request of the 2nd PDU sessions, can be the 2nd PDU sessions
PDU session identifications, the PDU session identifications can be as the PDU session identifications of the first PDU sessions, can not also be the same.Also
It is to say, is for the first instruction information：The situation of first PDU session identifications and UE marks, the first PDU session identifications can be
The PDU session identifications of 2nd PDU sessions can also be the PDU session identifications of the first PDU sessions.
404, SMF determines the first policy control meeting according to the related information of the first instruction information and the first policy control session
Words, and determine that the corresponding policy control session of the 2nd PDU sessions is the first policy control session.
First during SMF is asked according to the foundation indicates that the related information of information and the first policy control session determines first
Policy control session, and by first policy control session and the 2nd PDU session associations, that is, determine that the 2nd PDU sessions are corresponding
Policy control session is first policy control session.
Specifically, correspond to the mode 1 in above-mentioned steps 401, SMF can be determined as follows the first policy control
Session：SMF is identified with the UE carried in foundation request according to the determination of the correspondence of aforesaid way 1 and the first PDU session marks
Know corresponding policy control session mark, it is the first strategy control which, which identifies identified policy control session,
Session processed.
Corresponding to the mode 2 in above-mentioned steps 402, SMF can be determined as follows the first policy control session：
SMF determines plan corresponding with the first IP marks and DNN marks that are carried in foundation request according to the correspondence of aforesaid way 2
Session identification is slightly controlled, it is the first policy control session which, which identifies identified policy control session,.
Corresponding to the mode 3 in above-mentioned steps 402, SMF can be determined as follows the first policy control session：
SMF determines corresponding with the UE marks and the first PDU session identifications carried in foundation request according to the correspondence of aforesaid way 3
The first IP address and DNN identify, first IP address policy control session corresponding with DNN marks is the first strategy
Control session.
Corresponding to the mode 4 in above-mentioned steps 402, SMF can be determined as follows the first policy control session：
SMF is determined according to the related information of aforesaid way 4 identifies the first identified strategy there are first IP address and DNN in SMF
Session is controlled, then SMF determines the policy control session corresponding to the first IP address carried in foundation request and DNN marks i.e.
For the first policy control session.
Corresponding to the mode 5 in above-mentioned steps 402, SMF can be determined as follows the first policy control session：
SMF is according to the correspondence of aforesaid way 5 determination IP corresponding with the DNN marks and UE marks that are carried in foundation request
Location, i.e. the first IP address, first IP address policy control session corresponding with DNN marks is the first policy control meeting
Words.
It should be understood that in addition to aforesaid way SMF can also determine the first policy control session by other means, specifically herein
It is not construed as limiting.
It should be noted that in the embodiment of the present application, SMF receives the foundation request of the 2nd PDU sessions of UE transmissions
Later, while executing above-mentioned steps 404, following steps can also be performed：
SMF is that the 2nd PDU sessions select new TUPF, and distribute IP address for the 2nd PDU sessions, wherein the IP address
Carry out data transmission using for UE and DN, the TUPF is for establishing new user plane path.Specifically, which can be
First IP address, i.e., IP address identical with the IP address of the first PDU sessions, can also be the second IP address, i.e., with the first PDU
The different IP address of IP address of session.
When the IP address and the IP address of the first PDU sessions that SMF is the 2nd PDU sessions distribution differ, SMF is distributed
After IP address, also IP address change instruction can be reported to the corresponding PCF of the first policy control session, which uses
It is changed in the IP address that instruction PCF UE carry out data transmission.
Optionally, in the embodiment of the present application, SMF be the 2nd PDU sessions select new TUPF and be assigned with IP address it
Afterwards, when the 2nd PDU session establishments are completed, SMF can also return to session establishment response to UE, which responds for referring to
Show that the 2nd PDU session establishments of UE are completed.
In the embodiment of the present application, after SMF sends the instruction of PDU session rebuildings to UE, the 2nd PDU sessions of UE transmissions are will receive
Request is established, foundation request includes the first instruction information, and then SMF can be according to the first instruction information and the first strategy
The related information of control session determines the first policy control session, and first policy control session is determined as the two PDU meetings
Talk about corresponding policy control session.As it can be seen that SMF in the embodiment of the present application can by original policy control session with it is newly-built
PDU session associations, in this way during rebuilding PDU sessions, would not Reconstruction Strategy control session, to also avoid AF meetings
The release of words reduces Reconstruction Strategy control session and rebuilds the signaling overheads that AF sessions are brought.
Secondly, the embodiment of the present application provides a variety of SMF storage related informations and determines the side of the first policy control session
Formula improves the flexibility of scheme.
It should be understood that after PDU session establishments, in some scenarios, need to rebuild the PDU sessions, and to the PDU
The corresponding SMF of session carries out gravity treatment, at this time can be by another conversation processing method provided by the embodiments of the present application at
Reason, specifically, referring to Fig. 5, another embodiment of conversation managing method includes in the embodiment of the present application：
501, PCF receives releasing order for the first policy control session that SMF1 is sent；
When the PDU sessions between UE and DN are rebuild, and the corresponding SMF of the PDU sessions needs to carry out gravity treatment,
SMF1 sends the instruction of PDU session rebuildings to UE, and PDU session rebuildings instruction is used to indicate the UE and is released in the first PDU sessions
Cheng Hou initiates new PDU session establishments request, i.e. the foundation request of the 2nd PDU sessions.At the same time SMF1 can also be sent out to PCF
Releasing order for the first policy control session is sent, first policy control session is corresponding with the first AF sessions.PCF is received should
What SMF1 was sent releases order.
502, PCF is according to the first policy control session of release that releases order；
PCF receive the SMF1 transmission release order after, according to this release order release the first policy control session.Into one
Step ground, PCF can also be used after the completion of the first policy control session discharges to the SMF1 returning response message, the response message
It is completed in indicating that first policy control sessions of SMF1 discharge.
503, PCF receives the foundation request for the second policy control session that SMF2 is sent；
UE can be indicated, the after receiving the PDU session rebuildings instruction of SMF1 transmissions according to the PDU session rebuildings
After the completion of one PDU sessions release, the request of the 2nd PDU session establishments is sent to SMF2, and in the request of the 2nd PDU session establishments
Carry the first instruction information.After SMF2 receives the foundation request of UE transmissions, corresponding operation can be executed to complete the 2nd PDU meetings
The foundation of words, and during the 2nd PDU session establishments, SMF2 can also send the foundation of the second policy control session to PCF
Request, and the first instruction information is carried in foundation request.PCF receives foundation request.
504, PCF determines the first AF meetings according to the related information of the first instruction information and the first AF sessions established in asking
Words, and determine that the corresponding AF sessions of the second policy control session are the first AF sessions.
After PCF receives the foundation request that SMF2 is sent, corresponding operation can be executed to complete the second policy control session
Establish, and during the second policy control session is established, PCF can also be asked according to the foundation in first indicate information and
The related information of first AF determines the first AF sessions, and by second policy control session and the first AF session associations, i.e., will
The corresponding AF sessions of second policy control session are determined as the first AF sessions.
In the embodiment of the present application, believe comprising the first instruction in the foundation request for the second policy control session that PCF is received
Breath, PCF can determine the first AF sessions according to the related information of the first instruction information and pre-stored first AF sessions, and
Determine that the corresponding AF sessions of the second policy control session are the first AF sessions.As it can be seen that PCF in the embodiment of the present application can will be former
The AF sessions come are associated with newly-built policy control session, in this way during Reconstruction Strategy controls session, would not be rebuild
AF sessions reduce and rebuild the signaling overheads that AF sessions are brought.
UE can carry itself UE marks and corresponding DNN marks, together when initiating the request of PDU session establishments to SMF
When can also carry UE, and the PDU session establishments to be initiated ask the PDU session identifications that corresponding PDU sessions are distributed.And SMF exists
When initiating policy control session foundation request, also the UE marks and DNN marks that this is received can be reported to PCF, and for PDU
The PDU session identifications of session, SMF can be reported, and can not also be reported, below for both scenes, respectively with an interaction
Embodiment provides another conversation processing method to this hair application embodiment and is described in detail：
One, when SMF initiates policy control session foundation request, the PDU session identifications of PDU sessions are not reported；
Referring to Fig. 6, another embodiment of conversation processing method includes in the embodiment of the present application：
601, SMF1 sends the instruction of PDU session rebuildings to UE, and refers to the release of PCF the first policy control sessions of transmission
It enables；
When the first PDU sessions meet preset session release conditions, the release that SMF1 sends the first PDU sessions to UE refers to
It enables, this releases order indicates comprising PDU session rebuildings, is used to indicate the UE after the completion of the first PDU sessions discharge, initiates new
PDU session establishments are asked, and the first PDU sessions are corresponding with the first policy control session.
Then at the same time, SMF1 can also send releasing order for the first policy control session, first policy control to PCF
Session is corresponding with the first AF sessions, this releases order including the second instruction information, which can serve to indicate that this
The PCF SMF1 can not continue as the corresponding UE of the first policy control session and provide service.Specifically, the second instruction information can lead to
The reason of specific reasons value information indicates PCF, i.e., will cause SMF1 that can not provide service for UE is crossed to carry as information
In the second instruction information, it can also appoint that some is specific with PCF by specifically indicating that information indicates PCF
Instruction information, when PCF receives the specific instruction information, that is, think SMF1 can not continue as UE provide service.
It should be understood that when second instruction information PCF is indicated by reason value information when, this second instruction information in addition to
Outside including the reason value information, the first PDU session identifications of the first PDU sessions can also be included, can not also include, it is specific this
Place is not construed as limiting.When the second instruction information is by specifically indicating that information indicates PCF, this specifically indicates that information can
Can also be other specific instruction information, this is not limited here to be the first PDU session identifications.
It should also be understood that causing SMF1 that can not continue as the reason of UE provides service in the embodiment of the present application can specifically wrap
It includes：The position of the corresponding UE of first PDU sessions changes, and the corresponding TUPF of the first PDU sessions breaks down or SMF1 mistakes
Load or other reasons, this is not limited here.
602, PCF is according to the first policy control session of release that releases order；
After PCF receives the releasing order of the first policy control session of SMF1 transmissions, according to the release the of releasing order
One policy control session, and know that SMF1 can not continue as UE and provide service according to the second instruction information during this releases order,
Then PCF retains the first AF sessions while discharging the first policy control session.
It should be understood that PCF during the first policy control session is established, can be somebody's turn to do in 2 storages by way of in the following table 2
The related information of first AF sessions, then PCF, can while discharging the first policy control session after receiving and releasing order
To retain the related information according to the instruction in the second instruction information, i.e., the related information is not discharged, can also be to discharge the pass
Join information, then further according to second instruction information in instruction by way of in the following table 21 or mode 2 store the related information,
| First PDU sessions | First AF sessions | |
| Mode 1 | UE is identified, the first PDU session identifications | AF session identifications |
| Mode 2 | First IP address, DNN marks | AF session identifications |
Table 2
Wherein, UE marks refer to that the mark of the corresponding UE of the first PDU sessions, the first PDU session identifications refer to first
The PDU session identifications of PDU sessions, the first IP address refer to the corresponding IP address of the first PDU sessions, and DNN marks refer to the
The mark of the corresponding DNN of one PDU sessions, AF session identifications refer to the session identification of the first AF sessions.
In mode 1, the related information of the first AF sessions specifically includes：UE is identified and the first PDU sessions, with AF session marks
Correspondence between knowledge；Wherein, UE marks and the first PDU session identifications are used for identifying the first PDU sessions, AF session identifications
In the first AF sessions of mark.
In mode 2, the related information of the first AF sessions specifically includes：First IP address and DNN mark, with AF sessions it
Between correspondence；Wherein, the first IP address and DNN marks are for identifying the first PDU sessions, and AF session identifications are for identifying the
One AF sessions.
It should be understood that the first PDU session identifications in aforesaid way 1 can be PCF by parsing the second instruction information
It obtains, can also be that PCF is obtained during the first policy control session is established.It can also be that PCF passes through its other party
What formula obtained, this is not limited here.
603, UE sends the request of the 2nd PDU session establishments to SMF2；
After UE receives the releasing order of the first PDU sessions of SMF1 transmissions, corresponding operation can be executed and complete the first PDU
The release of session, and the 2nd PDU sessions are designated as according to the PDU session rebuildings in releasing order and distribute PDU session identifications, it should
PDU session identifications can be identical as the PDU session identifications of the first PDD sessions, can not also be identical, and this is not limited here.
Then UE can send the request of the 2nd PDU session establishments to SMF2, in addition to carrying UE marks, DNN in foundation request
Outside mark and the PDU session identifications of the 2nd PDU sessions, following instruction information can be also additionally carried：The PDU meetings of first PDU sessions
Words mark (the first PDU session identifications) or corresponding first IP address of the first PDU sessions.
604, SMF2 sends the foundation request of the second policy control session to PCF；
After SMF2 receives the 2nd PDU session establishments request of UE transmissions, during the 2nd PDU session establishments,
SMF2 can send the foundation request of the second policy control session to PCF, and foundation request includes the first instruction information.
Specifically, comprising being identified in addition to UE in the request of the 2nd PDU session establishments, DNN is identified and the PDU of the 2nd PDU sessions
Instruction information other than session identification, then SMF2 determine that the request of the 2nd PDU session establishments is reconstruction request, SMF2 is by the instruction
Information carries in the foundation request of the second policy control session, while can also identify UE and be carried on the foundation with DNN marks
In request.
If the instruction information that UE is carried in above-mentioned 603 is the first PDU session identifications of the first PDU sessions, the second plan
Slightly can include that the first PDU session identifications and UE are identified in the foundation request of control session, at this point, the first instruction information refers to
Be exactly the first PDU session identifications and UE mark.
If corresponding first IP address of the first PDU sessions of instruction information that UE is carried in above-mentioned 603, the second strategy control
Can include that first IP address and DNN are identified in the foundation request of session processed, first IP address and DNN marks belong to this
Apply for the first instruction information in embodiment, what the first instruction information referred at this time is exactly first IP address and DNN marks.
In addition, if corresponding first IP address of the first PDU sessions of instruction information that UE is carried in above-mentioned 603, SMF exist
It during 2nd PDU session establishments, needs to distribute the first IP address for the 2nd PDU sessions, that is, needs for the 2nd PDU sessions point
With IP address identical with the first PDU sessions.
605, PCF determines the first AF sessions according to the related information of the first instruction information and AF sessions established in asking,
And determine that the corresponding AF sessions of the second policy control session are the first AF sessions.
After PCF receives the foundation request of the second policy control session, during the second policy control session is established,
PCF can be asked according to the foundation in the first instruction information and the related informations of AF sessions determine the first AF sessions, and by this
One AF sessions are associated with the second policy control session, i.e., the corresponding AF sessions of the second policy control session are determined as the first AF meetings
Words.
Corresponding to the correspondence that mode 1 in above-mentioned steps 602 stores, the first instruction information includes：UE marks and first
PDU session identifications, at this point, PCF is determined as follows the first AF sessions：
PCF determines AF sessions mark corresponding with UE marks and the first PDU session identifications according to the correspondence that mode 1 stores
Know, the AF sessions which is identified are the first AF sessions.
Corresponding to the correspondence that mode 2 in above-mentioned steps 602 stores, the first instruction information includes：DNN marks and first
IP address.At this point, PCF is determined as follows the first AF sessions：
PCF determines AF sessions mark corresponding with DNN marks and the first IP address according to the correspondence that mode 2 stores
Know, the AF sessions which is identified are the first AF sessions.
Optionally, in the embodiment of the present application, after the completion of the second policy control session is established, PCF can be returned to SMF2
Response message is returned, to inform that completion has been established in the second policy control sessions of SMF2.
Optionally, in the embodiment of the present application, after the completion of the 2nd PDU session establishments, SMF2 can also be to UE returning responses
Message, to inform that completion has been established in the 2nd PDU sessions of UE.
In the embodiment of the present application, believe comprising the first instruction in the foundation request for the second policy control session that PCF is received
Breath, PCF can determine the first AF sessions according to the related information of the first instruction information and AF sessions, and determine the second strategy control
The corresponding AF sessions of session processed are the first AF sessions.As it can be seen that PCF in the embodiment of the present application can by original AF sessions with it is new
The policy control session association built would not rebuild AF sessions in this way during Reconstruction Strategy controls session, reduce weight
Build the signaling overheads that AF sessions are brought.
Secondly, the SMF in the embodiment of the present application can perceive PDU session rebuildings, execute subsequent operation convenient for SMF, carry
The high flexibility of scheme.
Again, the embodiment of the present application provides the mode that a variety of PCF determine the first AF sessions, further improves scheme
Flexibility.
Two, when SMF initiates policy control session foundation request, the PDU session identifications of PDU sessions are reported.
Referring to Fig. 7, another embodiment of conversation processing method includes in the embodiment of the present application：
701, SMF1 sends the instruction of PDU session rebuildings to UE, and refers to the release of PCF the first policy control sessions of transmission
It enables；
Step 701 in the present embodiment is similar with the step 601 in aforementioned embodiment illustrated in fig. 6, and details are not described herein again.
702, PCF is according to the first policy control session of release that releases order, and stores the related information of the first AF sessions；
After PCF receives the releasing order of the first policy control session of SMF1 transmissions, according to the release the of releasing order
One policy control session, and know that SMF1 can not continue as UE and provide service according to the second instruction information during this releases order,
Then PCF stores the related information of the first AF sessions in the following way while discharging the first policy control session：PCF is deposited
The first PDU session identifications for storing up UE marks and the first PDU sessions, the corresponding pass between the AF session identifications of the first AF sessions
System.Wherein, the first PDU session identifications and UE marks are for identifying the first PDU sessions, and AF session identifications are for identifying the first AF meetings
Words.
703, UE is designated as the 2nd PDU sessions according to PDU session rebuildings and distributes the first PDU session identifications, and is sent out to SMF2
The 2nd PDU session establishments are sent to ask；
After UE receives the releasing order of the first PDU sessions of SMF1 transmissions, corresponding operation can be executed and complete the first PDU
The release of session, and the 2nd PDU sessions distribution and the first PDU sessions are designated as according to the PDU session rebuildings in releasing order
Identical PDU session identifications, i.e. the first PDU session identifications.
Then UE can send the foundation request of the 2nd PDU sessions to SMF2, and UE marks, DNN marks are carried in foundation request
The PDU session identifications (the first PDU session identifications) of knowledge and the 2nd PDU sessions.
704, SMF2 sends the foundation request of the second policy control session to PCF；
After SMF2 receives the 2nd PDU session establishments request of UE transmissions, during the 2nd PDU session establishments,
SMF2 can to PCF send the second policy control session foundation request, and by UE mark and the 2nd PDU sessions PDU session marks
Knowledge be carried to the foundation request in, at this point, first instruction information refer to be exactly the 2nd PDU sessions PDU session identifications (first
PDU session identifications) and UE marks.
705, PCF determines the first AF sessions according to the first instruction information and related information, and determines the second policy control meeting
It is the first AF sessions to talk about corresponding AF sessions.
After PCF receives the foundation request of the second policy control session, during the second policy control session is established,
PCF is determined as follows the first AF sessions：
PCF determines AF session identifications corresponding with UE marks and the first PDU session identifications, the AF according to the related information of AF
The AF sessions that session identification is identified are the first AF sessions.
After determining the first AF sessions, the first AF sessions are associated with by PCF with the second policy control session, i.e., by the second strategy
The corresponding AF sessions of control session are determined as the first AF sessions.
Optionally, in the embodiment of the present application, after the completion of the second policy control session is established, PCF can be returned to SMF2
Response message is returned, to inform that completion has been established in the second policy control sessions of SMF2.
Optionally, in the embodiment of the present application, after the completion of the 2nd PDU session establishments, SMF2 can also be to UE returning responses
Message, to inform that completion has been established in the 2nd PDU sessions of UE.
In the embodiment of the present application, believe comprising the first instruction in the foundation request for the second policy control session that PCF is received
Breath, PCF can determine the first AF sessions according to the first instruction information and pre-stored related information, and determine the second strategy
It is the first AF sessions to control the corresponding AF sessions of session.As it can be seen that PCF in the embodiment of the present application can by original AF sessions with
Newly-built policy control session association would not rebuild AF sessions, reduce in this way during Reconstruction Strategy controls session
Rebuild the signaling overheads that AF sessions are brought.
Secondly, it when the embodiment of the present application SMF2 sends the foundation request of the second policy control session to PCF, can not carry
Additional instruction information, reduces the signaling overheads during this.
The conversation processing method in the embodiment of the present application is described above, is described below in the embodiment of the present application
Conversation management functional entity is described：
Referring to Fig. 8, one embodiment of conversation management functional entity includes in the embodiment of the present application：
Sending module 801, for sending the instruction of PDU session rebuildings to user equipment (UE)；
Receiving module 802, the foundation request for receiving the second packet data cell PDU sessions from UE, foundation are asked
It asks comprising the first instruction information；
Determining module 803, first for being received according to receiving module 802 indicates information and the first policy control session
Related information determines the first policy control session, and determines that the corresponding policy control session of the 2nd PDU sessions is that the first strategy is controlled
Session processed.
In the embodiment of the present application, after sending module 801 sends the instruction of PDU session rebuildings to UE, receiving module 802 will receive
The 2nd PDU session establishments request from UE, foundation request include the first instruction information, then determining module 803
Determine the first policy control session according to the related information of the first instruction information and the first policy control session, and by this first
Policy control session is determined as the corresponding policy control session of two PDU sessions.As it can be seen that the session management in the embodiment of the present application
Functional entity can be by original policy control session and newly-built PDU session associations, in this way in the process for rebuilding PDU sessions
In, would not Reconstruction Strategy control session, to also avoid the release of AF sessions, reduce Reconstruction Strategy control session and again
Build the signaling overheads that AF sessions are brought.
It should be understood that the corresponding embodiments of above-mentioned Fig. 8 are based on, in conversation management functional entity provided by the embodiments of the present application
In another embodiment, related information may include the first correspondence between the first PDU sessions and the first policy control session.
And the first PDU sessions and the first policy control session in first correspondence can be by different information institutes
The content of mark, the difference based on identification information, the first instruction information is also different, and determining module 803 determines the first policy control
The mode of session is also different, is illustrated below to wherein several situations：
Optionally, the first correspondence includes：The UE of UE is identified and the first PDU session identifications of the first PDU sessions, with the
Correspondence between the policy control session mark of one policy control session；
First instruction information includes UE marks and the first PDU session identifications；
First instruction information and first policy control session of the determining module 803 for being received according to receiving module 802
When related information determines the first policy control session, specifically include：
It is determined corresponding to policy control session mark corresponding with UE marks and the first PDU sessions according to the correspondence
First policy control session.
Optionally, the first correspondence includes：Between the corresponding first network of first PDU sessions internet protocol address and
The corresponding data network title DNN marks of first PDU sessions, between the policy control session mark of the first policy control session
Correspondence；
First indicates that information includes：First IP address is identified with DNN；
First instruction information and first policy control session of the determining module 803 for being received according to receiving module 802
When related information determines the first policy control session, specifically include：
It is determined according to the correspondence corresponding to identifying corresponding policy control session mark with the first IP address and DNN
First policy control session.
Optionally, the first correspondence includes：The UE of UE is identified and the first PDU session identifications of the first PDU sessions, with the
Correspondence between corresponding first IP address of one PDU sessions and the corresponding DNN marks of the first PDU sessions；
First instruction information includes UE marks and the first PDU session identifications；
First instruction information and first policy control session of the determining module 803 for being received according to receiving module 802
When related information determines the first policy control session, specifically include：It is determined and UE marks and the first PDU sessions according to correspondence
The policy control session identified corresponding to corresponding first IP address and DNN marks is the first policy control session.
In the embodiment of the present application, determining module 803 can determine the first policy control session in several ways, improve
The flexibility of scheme.
It should be understood that the corresponding embodiments of above-mentioned Fig. 8 are based on, in conversation management functional entity provided by the embodiments of the present application
In another embodiment, related information includes：Corresponding first IP address of first PDU sessions and the corresponding DNN marks of the first PDU sessions
Know；First indicates that information includes：First IP address and DNN marks；
At this point, determining module 803 is used to indicate information and the first policy control meeting according to first that receiving module 802 receives
When the related information of words determines the first policy control session, specifically include：It is determined and the first IP address and DNN according to correspondence
It is the first policy control session to identify corresponding policy control session.
The embodiment of the present application provides the mode that another determining module 803 determines the first policy control session, improves
The flexibility of scheme.
It should be understood that the corresponding embodiments of above-mentioned Fig. 8 are based on, in conversation management functional entity provided by the embodiments of the present application
In another embodiment, related information includes：The UE of UE is identified and the corresponding DNN of the first PDU sessions is identified and the first PDU sessions pair
Correspondence between the first IP address answered；First instruction information includes UE marks and DNN marks；
At this point, determining module 803 is used to indicate information and the first policy control meeting according to first that receiving module 802 receives
When the related information of words determines the first policy control session, specifically include：It is determined according to correspondence and is identified with UE marks and DNN
Policy control session corresponding to corresponding first IP address and DNN marks is the first policy control session.
The embodiment of the present application provides the mode that another determining module 803 determines the first policy control session, improves
The flexibility of scheme.
In another embodiment of conversation management functional entity provided by the embodiments of the present application, the conversation management functional entity
Further include：
Memory module 804, for when determination meets preset PDU session release conditions, storing the first policy control meeting
The related information of words.
Optionally, which includes：The position of UE is changed or the first PDU sessions correspond to
TUPF break down.
The embodiment of the present application provides a kind of concrete mode of storage related information, improves the realizability of scheme.
In another embodiment of conversation management functional entity provided by the embodiments of the present application, the conversation management functional entity
Further include：
First distribution module 805, for distributing the first PDU sessions corresponding first IP address for the 2nd PDU sessions；
Or,
Second distribution module 806, for distributing the second IP address, the second IP address and the first PDU meetings for the 2nd PDU sessions
Corresponding first IP address is talked about to differ；
At this point, sending module 801 is additionally operable to：To on the corresponding policy control functions entity PCF of the first policy control session
IP address change instruction, IP address change instruction is reported to be used to indicate the IP address that the PCF UE carry out data transmission and change.
In the corresponding embodiment of above-mentioned Fig. 8, flow in conversation management functional entity performed by each module and earlier figures 3 to
Method flow described in embodiment shown in Fig. 4 is similar, and details are not described herein again.
The conversation management functional entity in the embodiment of the present application is described above, below to the strategy in the application
Control function entity is described, referring to Fig. 9, in the embodiment of the present application, one embodiment packet of policy control functions entity
It includes：
First receiving module 901 is used to receive the first policy control session of the first conversation management functional entity transmission
It releases order, the first policy control session is corresponding with the first Application Function AF sessions；
Release module 902, the first policy control meeting of release of releasing order for being received according to the first receiving module 901
Words；
Second receiving module 903 is used to receive the second policy control session of the second conversation management functional entity transmission
Request is established, foundation request includes the first instruction information；
Determining module 904, the pass of the first instruction information and the first AF sessions for being received according to the second receiving module 903
Connection information determines the first AF sessions, and determines that the corresponding AF sessions of the second policy control session are the first AF sessions.
In the embodiment of the present application, wrapped in the foundation request for the second policy control session that the second receiving module 902 receives
The first instruction information is included, determining module 903 can be determined according to the related information of the first instruction information and pre-stored AF
First AF sessions, and determine that the corresponding AF sessions of the second policy control session are the first AF sessions.As it can be seen that in the embodiment of the present application
PCF original AF sessions can be associated with newly-built policy control session, the process in Reconstruction Strategy control session in this way
In, AF sessions would not be rebuild, reduces and rebuilds the signaling overheads that AF sessions are brought.
Based on the corresponding embodiments of above-mentioned Fig. 9, in other embodiments of policy control functions entity provided by the present application
In, it may include the second instruction information to release order, and the second instruction information is used to indicate first meeting of policy control functions entity
Words management function entity can not continue as the corresponding UE of the first policy control session and provide service.Specifically, the second instruction letter
Breath may include the first PDU session identifications or other information of the first PDU sessions, and this is not limited here.
Optionally, in this embodiment, the related information of AF sessions may include：The corresponding UE marks of first PDU sessions
And the first PDU sessions the first PDU session identifications, the correspondence between the AF session identifications of the first AF sessions；First refers to
Show that information may include：UE is identified and the first PDU session identifications.
Based on above-mentioned correspondence, policy control functions entity can also include：Memory module is closed for storing the correspondence
System.
The pass for the first instruction information and the first AF sessions that determining module is received for 904 according to the second receiving module 903
When connection information determines the first AF sessions, specifically include：Determine that UE marks and the first PDU session identifications correspond to according to the correspondence
AF session identifications corresponding to the first AF sessions.
Optionally, in this embodiment, the related information of AF sessions may include：Corresponding first net of first PDU sessions
Internet protocol address and the corresponding data network title DNN marks of the first PDU sessions, the AF meetings with the first AF sessions between network
Correspondence between words mark.Accordingly, in this embodiment, the first instruction information includes：DNN is identified and the first IP
Location.
Based on above-mentioned correspondence, determining module 904 is used to indicate information according to first that the second receiving module 903 receives
And the first related information of AF sessions when determining the first AF sessions, it specifically includes：DNN marks and the are determined according to the correspondence
The first AF sessions corresponding to the corresponding AF session identifications of one IP address.
The embodiment of the present application provides the concrete mode that a variety of determining modules determine the first AF sessions, improves the spirit of scheme
Activity.
In the corresponding embodiment of above-mentioned Fig. 9, flow in policy control functions entity performed by each module and earlier figures 5 to
Method flow described in embodiment shown in Fig. 7 is similar, and details are not described herein again.
The policy control functions entity in the embodiment of the present application is described above, the policy control functions entity is described below
The session processing system being applicable in, referring to Fig. 10, one embodiment of session processing system includes in the embodiment of the present application：Plan
Slightly control function entity 1001, the first conversation management functional entity 1002 and the second conversation management functional entity 1003；
First conversation management functional entity 1002 is used for：The instruction of PDU session rebuildings is sent to UE, and to policy control functions
Entity sends releasing order for the first policy control session, the first policy control session and the first Application Function AF session phases
It is corresponding；
Real 1003 bodies of second conversation management functional are used for：The 2nd PDU session establishments request from UE is received, and to strategy
Control function entity sends the foundation request of the second policy control session, establishes request and includes the first instruction information；
Policy control functions entity 1001 is used for：According to the first policy control session of release that releases order, refer to according to first
Show that the related information of information and the first AF sessions determines the first AF sessions, and determines the corresponding AF sessions of the second policy control session
For the first AF sessions.
Optionally, it releases order including the second instruction information, the second instruction information is used to indicate policy control functions entity
1201 first conversation management functional entities 1002 can not continue as the corresponding UE of the first policy control session and provide service.
Optionally, the second conversation management functional entity 1003 is specifically used for：
The UE of the PDU session identifications of 2nd PDU sessions and UE marks are carried on foundation request as the first instruction information
In, the PDU session identifications of the 2nd PDU sessions are identical as the PDU session identifications of the first PDU sessions；
Policy control functions entity 1001 is additionally operable to the UE marks of storage UE and the PDU session identifications of the first PDU sessions, with
The first correspondence between the AF session identifications of first AF sessions.
Optionally, the 2nd PDU session establishment request packet contains the PDU session identifications of the first PDU sessions；
Second conversation management functional entity 1003 is specifically used for：
It determines that the request of the 2nd PDU session establishments is reconstruction request, the first PDU session identifications and UE marks is referred to as first
Show that information is carried in foundation request；
Then the related information of the first AF sessions may include：The UE of UE is identified and the PDU session identifications of the first PDU sessions,
Correspondence between the AF session identifications of the first AF sessions；
Policy control functions entity 1001 is additionally operable to store the correspondence.
Optionally, the 2nd PDU session establishment request packet is containing Internet protocol IP between the corresponding first network of the first PDU sessions
Address；SMF2 is specifically used for：
Determine that the request of the 2nd PDU session establishments is reconstruction request, by the first PDU session identifications and the first IP address and second
PDU session establishments ask corresponding DNN marks to be carried in foundation request as the first instruction information；
Then the related information of the first AF sessions may include：First IP address and the corresponding DNN marks of the first PDU sessions,
The first correspondence between the AF session identifications of the first AF sessions；
Policy control functions entity 1001 is additionally operable to store the correspondence.
Optionally, the second conversation management functional entity is additionally operable to distribute the first IP address for the 2nd PDU sessions.
In the corresponding embodiment of above-mentioned Figure 10, the policy control functions entity 1001 in session processing system, the first session
Management function entity 1002, the flow performed by the second conversation management functional entity 1003 and earlier figures 5 to implementation shown in Fig. 7
Method flow described in example is similar, and details are not described herein again.
In addition, concrete function mould divides and the function module described in earlier figures 9 in policy control functions entity 1001
Dividing mode is similar, and details are not described herein again.
Please refer to Fig.1 1, one embodiment of conversation management functional entity may include one or more in the application
Central processing unit 1101, memory 1102, input/output interface 1103, wired or wireless network interface 1104, power supply 1105.
Memory 1102 can be of short duration storage or persistent storage.Further, central processing unit 1101 can configure
To be communicated with memory 1102, the series of instructions operation in conversation management functional physically executes memory 1102.
In the present embodiment, central processing unit 1101, which can execute, uses session management work(in earlier figures 3 and embodiment illustrated in fig. 4
Operation performed by energy entity, specific details are not described herein again.
In the present embodiment, the specific functional modules in central processing unit 1101 divide can be with the described hair of earlier figures 8
Send the function module dividing mode class of the modules such as module, receiving module, determining module, the first distribution module, the second distribution module
Seemingly, details are not described herein again.
It should be understood that structural schematic diagram shown in above-mentioned Figure 11 can also be the structural schematic diagram of policy control functions entity,
At this point, central processing unit 1101 is communicated with memory 1102, one in policy control functions physically execute memory 1101
Sequence of maneuvers.
In the embodiment of the present application, central processing unit 1101 can also execute in earlier figures 5 and embodiment illustrated in fig. 7 and use session
Operation performed by management function entity, specific details are not described herein again.
In the embodiment of the present application, the specific functional modules division in central processing unit 1101 can also be with institute in earlier figures 9
The function module dividing mode class of the modules such as the first receiving module, release module, the second receiving module, the determining module that describe
Seemingly, details are not described herein again.
The embodiment of the present application also provides a kind of computer storage media, the computer storage media is above-mentioned for being stored as
Computer software instructions used in conversation management functional entity and policy control functions entity comprising for executing as session pipe
Manage the program designed by functional entity and policy control functions entity.
The conversation management functional entity can be such as the conversation management functional entity described in earlier figures 3 and Fig. 4.
The policy control functions entity can be such as earlier figures 5 to the policy control functions entity described in Fig. 7.
The embodiment of the present application also provides a kind of computer program product, which includes computer software
Instruction, the computer software instructions can be loaded by processor at the session to realize above-mentioned Fig. 3 to any one of Fig. 7
Flow in reason method.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, device and method can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be the indirect coupling by some interfaces, device or unit
It closes or communicates to connect, can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple
In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the application can be integrated in a processing unit, it can also
It is that each unit physically exists alone, it can also be during two or more units be integrated in one unit.Above-mentioned integrated list
The form that hardware had both may be used in member is realized, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can be stored in a computer read/write memory medium.Based on this understanding, the technical solution of the application is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or the network equipment etc.) executes the complete of each embodiment the method for the application
Portion or part steps.And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (full name in English：Read-Only
Memory, english abbreviation：ROM), random access memory (full name in English：Random Access Memory, english abbreviation：
RAM), the various media that can store program code such as magnetic disc or CD.
The above, above example are only to illustrate the technical solution of the application, rather than its limitations；Although with reference to before
Embodiment is stated the application is described in detail, it will be understood by those of ordinary skill in the art that：It still can be to preceding
The technical solution recorded in each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
Modification or replacement, the spirit and scope of each embodiment technical solution of the application that it does not separate the essence of the corresponding technical solution.
Claims (30)
1. a kind of conversation processing method, which is characterized in that including：
Conversation management functional entity SMF sends the instruction of PDU session rebuildings to user equipment (UE)；
The SMF receives the foundation request of the second packet data cell PDU sessions from the UE, and the foundation request includes
First instruction information；
The SMF indicates that the related information of information and the first policy control session determines the first policy control meeting according to described first
Words, and determine that the corresponding policy control session of the 2nd PDU sessions is first policy control session.
2. according to the method described in claim 1, it is characterized in that, the related information of first policy control session includes：
The first correspondence between first PDU sessions and first policy control session.
3. according to the method described in claim 2, it is characterized in that, first correspondence includes：The UE of the UE is identified
And the first PDU sessions the first PDU session identifications, between the policy control session of first policy control session mark
Correspondence；
The first instruction information includes the UE marks and the first PDU session identifications.
4. according to the method described in claim 2, it is characterized in that, first correspondence includes：First PDU sessions correspond to
First network between internet protocol address and the first PDU sessions corresponding data network title DNN mark, with first
Correspondence between the policy control session mark of policy control session；
The first instruction information includes that first IP address is identified with the DNN.
5. according to the method described in claim 2, it is characterized in that, first correspondence includes：The UE of the UE is identified
And the first PDU sessions the first PDU session identifications, the first IP address corresponding with the first PDU sessions and the first PDU
Correspondence between the corresponding DNN marks of session；
The first instruction information includes the UE marks and the first PDU session identifications；
The SMF indicates the related information between information and the first PDU sessions and the first policy control session according to described first
Determine that the first policy control session includes：
The SMF is determined according to the correspondence to be identified and the first PDU session identifications corresponding described the with the UE
Policy control session corresponding to one IP address and DNN marks is first policy control session.
6. according to the method described in claim 1, it is characterized in that, the related information includes：First PDU sessions corresponding
One IP address and the corresponding DNN marks of the first PDU sessions；
The first instruction information includes first IP address and DNN marks；
The SMF indicates the related information between information and the first PDU sessions and the first policy control session according to described first
Determine that the first policy control session includes：
The SMF determines policy control meeting corresponding with first IP address and DNN marks according to the correspondence
Words are first policy control session.
7. according to the method described in claim 1, it is characterized in that, the related information includes：The UE of the UE is identified and the
The corresponding DNN of one PDU sessions identifies the correspondence between the first IP address corresponding with the first PDU sessions；
The first instruction information includes the UE marks and DNN marks；
The SMF indicates the related information between information and the first PDU sessions and the first policy control session according to described first
Determine that the first policy control session includes：
The SMF determines first IP address corresponding with UE marks and DNN marks according to the correspondence
And the policy control session corresponding to the DNN marks is first policy control session.
8. method according to any one of claim 1 to 7, which is characterized in that the SMF is sent to user equipment (UE)
Include before the instruction of PDU session rebuildings：
When meeting preset PDU session release conditions, the SMF stores the related information of first policy control session.
9. according to the method described in claim 8, it is characterized in that, the preset PDU session release conditions include：The UE
Position change or the corresponding user plane expiry feature entity TUPF of the first PDU sessions breaks down.
10. method according to any one of claim 1 to 7, which is characterized in that the SMF is received from the UE's
Include after the foundation request of 2nd PDU sessions：
The SMF is that the 2nd PDU sessions distribute the first PDU sessions corresponding first IP address.
11. method according to any one of claim 1 to 7, which is characterized in that the SMF is received from the UE's
Include after the foundation request of 2nd PDU sessions：
The SMF is that the 2nd PDU sessions distribute the second IP address, second IP address and the first PDU sessions pair
The first IP address answered differs；
The SMF reports IP address change instruction to the corresponding policy control functions entity PCF of first policy control session,
The IP address change instruction is used to indicate the IP address that UE carries out data transmission described in the PCF and changes.
12. a kind of conversation processing method, which is characterized in that including：
Policy control functions entity PCF receives releasing for the first policy control session that the first conversation management functional entity SMF1 is sent
Instruction is put, first policy control session is corresponding with the first Application Function AF sessions；
The PCF releases order according to discharges first policy control session；
The PCF receives the foundation request for the second policy control session that the second conversation management functional entity SMF2 is sent, described
It establishes request and includes the first instruction information；
The PCF indicates that the related information of information and the first AF sessions determines the first AF sessions according to described first, and really
It is the first AF sessions to determine the corresponding AF sessions of second policy control session.
13. according to the method for claim 12, which is characterized in that it is described to release order including the second instruction information, it is described
Second instruction information, which is used to indicate SMF1 described in the PCF, can not continue as the corresponding UE offers of first policy control session
Service.
14. according to the method for claim 13, which is characterized in that the second instruction information includes the first PDU meetings
First PDU session identifications of words.
15. the method according to any one of claim 12 to 14, which is characterized in that the related information includes：It is described
The corresponding UE marks of first PDU sessions and the first PDU session identifications of the first PDU sessions, with the first AF sessions
Correspondence between AF session identifications；
Described first indicates that information includes：The UE marks and the first PDU session identifications.
16. method according to claim 12 or 13, which is characterized in that the related information includes：The first PDU meetings
Internet protocol address and the corresponding data network title DNN marks of the first PDU sessions between corresponding first network are talked about,
Correspondence between the AF session identifications of the first AF sessions；
Described first indicates that information includes：The DNN marks and first IP address.
17. a kind of conversation management functional entity SMF, which is characterized in that including：
Sending module, for sending the instruction of PDU session rebuildings to user equipment (UE)；
Receiving module, the foundation request for receiving the second packet data cell PDU sessions from the UE, the foundation are asked
It asks comprising the first instruction information；
Determining module, the pass of the first instruction information and the first policy control session for being received according to the receiving module
Connection information determines the first policy control session, and determines that the corresponding policy control session of the 2nd PDU sessions is described first
Policy control session.
18. SMF according to claim 17, which is characterized in that the related information includes：First PDU sessions with it is described
The first correspondence between first policy control session.
19. SMF according to claim 18, which is characterized in that first correspondence includes：The UE of the UE is identified
And the first PDU sessions the first PDU session identifications, the first IP address corresponding with the first PDU sessions and the first PDU
Correspondence between the corresponding DNN marks of session；
The first instruction information includes the UE marks and the first PDU session identifications；
The first instruction information and the first policy control session that the determining module is used to be received according to the receiving module
Related information determine the first policy control session, specifically include：It is determined and UE marks and institute according to the correspondence
The policy control session stated corresponding to corresponding first IP address of the first PDU session identifications and DNN marks is described
First policy control session.
20. SMF according to claim 17, which is characterized in that the related information includes：First PDU sessions are corresponding
First IP address and the corresponding DNN marks of the first PDU sessions；
The first instruction information includes first IP address and DNN marks；
The first instruction information and the first policy control session that the determining module is used to be received according to the receiving module
Related information determine the first policy control session, specifically include：It is determined and first IP address according to the correspondence
And it is first policy control session that the DNN, which identifies corresponding policy control session,.
21. SMF according to claim 17, which is characterized in that the related information includes：The UE of the UE is identified and the
The corresponding DNN of one PDU sessions identifies the correspondence between the first IP address corresponding with the first PDU sessions；
The first instruction information includes the UE marks and DNN marks；
The first instruction information and the first policy control session that the determining module is used to be received according to the receiving module
Related information determine the first policy control session, specifically include：It is determined and UE marks and institute according to the correspondence
It is first strategy to state the policy control session that DNN is identified corresponding to corresponding first IP address and DNN marks
Control session.
22. the SMF according to any one of claim 17 to 21, which is characterized in that the SMF further includes：
Memory module, for when determination meets preset PDU session release conditions, storing first policy control session
Related information.
23. the SMF according to any one of claim 17 to 21, which is characterized in that the SMF further includes：
First distribution module, for distributing the first PDU sessions corresponding first IP address for the 2nd PDU sessions.
24. the SMF according to any one of claim 17 to 21, which is characterized in that the SMF further includes：
Second distribution module, for distributing the second IP address, second IP address and described first for the 2nd PDU sessions
Corresponding first IP address of PDU sessions differs；
The sending module is additionally operable to：IP is reported to the corresponding policy control functions entity PCF of first policy control session
Address change indicates that the IP address change instruction is used to indicate the IP address that UE carries out data transmission described in the PCF and occurs
Change.
25. a kind of policy control functions entity PCF, which is characterized in that including：
First receiving module, the release for receiving the first policy control session that the first conversation management functional entity SMF1 is sent
Instruction, first policy control session are corresponding with the first Application Function AF sessions；
Release module, for according to release the first policy control meeting of releasing order described in first receiving module reception
Words；
Second receiving module, the foundation for receiving the second policy control session that the second conversation management functional entity SMF2 is sent
Request, the foundation request include the first instruction information；
Determining module, described first for being received according to second receiving module indicates information and the first AF sessions
Related information determines the first AF sessions, and determines that the corresponding AF sessions of second policy control session are the first AF
Session.
26. a kind of session processing system, which is characterized in that including：Policy control functions entity PCF, the first conversation management functional
Entity SMF1 and the second conversation management functional entity SMF2；
The SMF1 is used for：The instruction of PDU session rebuildings is sent to UE, and releasing for the first policy control session is sent to the PCF
Instruction is put, first policy control session is corresponding with the first Application Function AF sessions；
The SMF2 is used for：The 2nd PDU session establishments request from the UE is received, and the second strategy is sent to the PCF
The foundation request of session is controlled, the foundation request includes the first instruction information；
The PCF is used for：According to release first policy control session that releases order, information is indicated according to described first
And the related information of the first AF sessions determines the first AF sessions, and determine that second policy control session is corresponding
AF sessions are the first AF sessions.
27. system according to claim 26, which is characterized in that
The SMF2 is specifically used for：
It is used as the first instruction information to be carried on the UE of the PDU session identifications of the 2nd PDU sessions and the UE marks described
It establishes in request, the PDU session identifications of the 2nd PDU sessions are identical as the PDU session identifications of the first PDU sessions；
The related information includes：The UE of the UE is identified and the PDU session identifications of the first PDU sessions, with described first
Correspondence between the AF session identifications of AF sessions.
28. system according to claim 26, which is characterized in that
The 2nd PDU session establishment request packet includes the PDU session identifications of the first PDU sessions；
The SMF2 is specifically used for：
It determines that the 2nd PDU session establishments request is reconstruction request, regard the first PDU session identifications and UE marks as the
One instruction information is carried in the foundation request；
The related information includes：The UE of the UE is identified and the PDU session identifications of the first PDU sessions, with described first
Correspondence between the AF session identifications of AF sessions.
29. system according to claim 26, which is characterized in that the 2nd PDU session establishment request packet contains the first PDU
Internet protocol address between the corresponding first network of session；
The SMF2 is specifically used for：
Determine that the 2nd PDU session establishments request is reconstruction request, by the first PDU session identifications and the first IP address and
2nd PDU session establishments ask corresponding DNN marks to be carried in the foundation request as the first instruction information；
The related information includes：First IP address and the corresponding DNN marks of the first PDU sessions, with described first
Correspondence between the AF session identifications of AF sessions.
30. system according to claim 28, which is characterized in that the SMF2 is additionally operable to as the 2nd PDU sessions point
With first IP address.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710239457.1A CN108738082B (en) | 2017-04-13 | 2017-04-13 | Session processing method, device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710239457.1A CN108738082B (en) | 2017-04-13 | 2017-04-13 | Session processing method, device and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108738082A true CN108738082A (en) | 2018-11-02 |
| CN108738082B CN108738082B (en) | 2020-06-16 |
Family
ID=63924432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710239457.1A Active CN108738082B (en) | 2017-04-13 | 2017-04-13 | Session processing method, device and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108738082B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020103050A1 (en) * | 2018-11-21 | 2020-05-28 | Oppo广东移动通信有限公司 | Data channel establishing method and apparatus, and network device |
| WO2020103796A1 (en) * | 2018-11-23 | 2020-05-28 | 中兴通讯股份有限公司 | Method for achieving disaster recovery and related device |
| WO2020135274A1 (en) * | 2018-12-27 | 2020-07-02 | 华为技术有限公司 | Communication method and apparatus |
| CN111436160A (en) * | 2019-01-15 | 2020-07-21 | 华为技术有限公司 | Local area network communication method, device and system |
| CN111436086A (en) * | 2019-01-15 | 2020-07-21 | 华为技术有限公司 | Safety protection method and device |
| CN111756592A (en) * | 2019-03-28 | 2020-10-09 | 中国移动通信有限公司研究院 | A strategy processing method and entity |
| WO2020248579A1 (en) * | 2019-06-14 | 2020-12-17 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for allocating pdu session id for terminal device |
| CN112969244A (en) * | 2019-04-02 | 2021-06-15 | 荣耀终端有限公司 | Session recovery method and device |
| WO2024141195A1 (en) * | 2023-09-27 | 2024-07-04 | Lenovo (Singapore) Pte. Ltd. | System and policy configuration for differentiating media multimodal ip flows |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1717913A (en) * | 2003-08-06 | 2006-01-04 | 松下电器产业株式会社 | Relay server, relay server service control method, service providing system and program |
| CN101374334A (en) * | 2007-08-22 | 2009-02-25 | 华为技术有限公司 | Method and system for transferring packet data network identification information |
| EP2685748A1 (en) * | 2011-01-14 | 2014-01-15 | Datang Mobile Communications Equipment Co., Ltd. | Method and device for implementing mbms service when relay node is deployed in network |
-
2017
- 2017-04-13 CN CN201710239457.1A patent/CN108738082B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1717913A (en) * | 2003-08-06 | 2006-01-04 | 松下电器产业株式会社 | Relay server, relay server service control method, service providing system and program |
| CN101374334A (en) * | 2007-08-22 | 2009-02-25 | 华为技术有限公司 | Method and system for transferring packet data network identification information |
| EP2685748A1 (en) * | 2011-01-14 | 2014-01-15 | Datang Mobile Communications Equipment Co., Ltd. | Method and device for implementing mbms service when relay node is deployed in network |
Non-Patent Citations (5)
| Title |
|---|
| CATT,HUAWEI,HISILICON等: "Update PDU session anchor relocation for ssc mode 3 with PDU sessions", 《3GPP TSG SA WG2 MEETING #120 S2-172776》 * |
| CATT: "TUPF relocation during the HO procedure", 《SA WG2 MEETING #117 S2-166567》 * |
| QUALCOMM INCORPORATED: "Clarification to UPF relocation procedure for SSC modes", 《SA WG2 MEETING #S2-120 S2-171713》 * |
| RAPPORTEUR(NOREA): "P-CR to update Policy Control", 《SA WG2 MEETING #121 S2-172445》 * |
| SAMSUNG: "Update of PDU session anchor relocation for ssc mode 3", 《SA WG2 MEETING #120 S2-172124》 * |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020103050A1 (en) * | 2018-11-21 | 2020-05-28 | Oppo广东移动通信有限公司 | Data channel establishing method and apparatus, and network device |
| WO2020103796A1 (en) * | 2018-11-23 | 2020-05-28 | 中兴通讯股份有限公司 | Method for achieving disaster recovery and related device |
| US11889330B2 (en) | 2018-11-23 | 2024-01-30 | Zte Corporation | Methods and related devices for implementing disaster recovery |
| WO2020135274A1 (en) * | 2018-12-27 | 2020-07-02 | 华为技术有限公司 | Communication method and apparatus |
| US12016063B2 (en) | 2018-12-27 | 2024-06-18 | Huawei Technologies Co., Ltd. | Communication method and apparatus |
| CN111436160A (en) * | 2019-01-15 | 2020-07-21 | 华为技术有限公司 | Local area network communication method, device and system |
| CN111436086A (en) * | 2019-01-15 | 2020-07-21 | 华为技术有限公司 | Safety protection method and device |
| CN111436086B (en) * | 2019-01-15 | 2021-02-23 | 华为技术有限公司 | Safety protection method and device |
| CN111436160B (en) * | 2019-01-15 | 2022-04-29 | 华为技术有限公司 | Local area network communication method, device and system |
| CN111756592B (en) * | 2019-03-28 | 2022-03-08 | 中国移动通信有限公司研究院 | A strategy processing method and entity |
| CN111756592A (en) * | 2019-03-28 | 2020-10-09 | 中国移动通信有限公司研究院 | A strategy processing method and entity |
| CN112969244A (en) * | 2019-04-02 | 2021-06-15 | 荣耀终端有限公司 | Session recovery method and device |
| WO2020248579A1 (en) * | 2019-06-14 | 2020-12-17 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for allocating pdu session id for terminal device |
| US11968729B2 (en) | 2019-06-14 | 2024-04-23 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for allocating PDU session ID for terminal device |
| WO2024141195A1 (en) * | 2023-09-27 | 2024-07-04 | Lenovo (Singapore) Pte. Ltd. | System and policy configuration for differentiating media multimodal ip flows |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108738082B (en) | 2020-06-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108738082A (en) | Conversation processing method, apparatus and system | |
| CN109792458B (en) | Method and system for user plane path selection | |
| CN104202264B (en) | Bearer resource allocation method, device and system for cloud data center network | |
| CN107770269B (en) | A kind of service response method and its terminal | |
| CN103533669B (en) | The many APN network concurrents systems of mobile terminal and its networking method | |
| CN110166580A (en) | Method, equipment and the system of resource management | |
| CN109246833B (en) | Bearer configuration determination, information sending method and device, primary base station and secondary base station | |
| CN104255046A (en) | Customizable mobile broadband network system, and method for customizing mobile broadband network | |
| CN108156636A (en) | Wide bandwidth base station, converged CN, terminal and its corresponding wide and narrow strip system switching method | |
| CN109246757A (en) | The configuration method and device of a kind of new services quality framework in doubly-linked welding system | |
| CN105264918A (en) | System and method for distributed evolved packet core architecture | |
| CN107770826A (en) | A kind of network section system of selection and relevant device | |
| CN108377516A (en) | A kind of method, access network node and the core net node of determining paging domain | |
| US20120294279A1 (en) | Method for completing smooth cut-over, device and equipment for performing cut-over operations | |
| CN106612560A (en) | Terminal call method and device in multi-broadband trunk system | |
| CN100486382C (en) | Aging processing apparatus and method in communications system | |
| CN102208988A (en) | Message processing method, system and equipment thereof | |
| CN109548079A (en) | A kind of method and device for the user-plane function management resource indicating communication system | |
| CN109451539B (en) | Service quality improving method and device | |
| CN102612165A (en) | Method and device for releasing resource | |
| CN105162769A (en) | Gateway authority transfer method and gateway authority transfer device | |
| CN110536332A (en) | Redundancy session, method for establishing wireless load-bearing, device, node, terminal and medium | |
| US8265015B2 (en) | Communication path allocating entity and method | |
| CN104683252A (en) | Gateway connection method and system applied to game network | |
| CN103634877B (en) | Without the management method of access point in the network of access controller and access point apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |