CN114071575B - Processing method, device, equipment and storage medium for network slice data rate - Google Patents
Processing method, device, equipment and storage medium for network slice data rate Download PDFInfo
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Abstract
The application discloses a processing method and device of network slice data rate, first core network equipment, second core network equipment and storage medium. The method comprises the following steps: the method comprises the steps that first core network equipment obtains data rates used by all Protocol Data Unit (PDU) sessions under a first network slice; and judging whether the data rate used by all PDU sessions under the acquired first network slice reaches a first data rate threshold of the first network slice.
Description
Technical Field
The present application relates to the field of mobile communications, and in particular, to a method and apparatus for processing a network slice data rate, a related device, and a storage medium.
Background
Network slicing is one of the key technologies important for the core network of the fifth generation mobile communication technology (5G). Because of the flexibility of the 5G core network based on the service architecture, network functions of the 5G core network can be flexibly combined by utilizing the network slice according to the requirements of clients in the vertical industry to form virtual logic networks. Different network slice instances are distinguished using different network slice identifications (S-NSSAI).
In the related art, control of the usage of network slices is static.
Disclosure of Invention
To solve the related technical problems, embodiments of the present application provide a method, an apparatus, a related device, and a storage medium for processing a network slice data rate
The technical scheme of the embodiment of the application is realized as follows:
The embodiment of the application provides a processing method of a network slice data rate, which is applied to first core network equipment and comprises the following steps:
Acquiring data rates used by all Protocol Data Unit (PDU) sessions under a first network slice;
and judging whether the data rate used by all PDU sessions under the acquired first network slice reaches a first data rate threshold of the first network slice.
In the above solution, the determining whether the data rate used by all PDUs in the acquired first network slice reaches the data rate threshold of the first network slice includes:
counting the data rates used by all PDUs under the acquired first network slice to obtain a total data rate;
Determining whether the total data rate reaches the first data rate threshold.
In the above scheme, acquiring the data rate used by the PDU session under the first network slice includes:
A data rate used by a PDU session under the first network slice reported by a Policy Control Function (PCF) is received.
In the above scheme, the method further comprises:
transmitting first information to a second core network device under the condition that the data rate used by all acquired PDU sessions reaches the first data rate threshold; the first information is used for indicating the second core network device to reduce the data rate subscribed by all terminals under the first network slice.
In the above scheme, the subscribed data rate includes an aggregate maximum bit rate (Session-AMBR) of a Session of a Non-guaranteed bit rate (Non-GBR) quality of service (QoS) flow.
In the above scheme, the method further comprises:
And identifying the terminal with the reduced data rate in the first network slice.
In the above scheme, the method further comprises:
Acquiring the data rate used by all PDU sessions under the first network slice again;
Transmitting second information to the second core network device under the condition that the data rate used by all acquired sessions does not reach a second data rate threshold of the first network slice; the second information is used for indicating the second core network equipment to increase the data rate subscribed by all terminals under the first network slice; the second data rate threshold is less than the first data rate threshold.
The embodiment of the application also provides a processing method of the network slice data rate, which is applied to the second core network equipment and comprises the following steps:
Receiving first information sent by first core network equipment; the first information is used for indicating the second core network equipment to reduce the data rate subscribed by all terminals under the first network slice;
based on the first information, reducing the data rate subscribed by all terminals under the first network slice; and triggers the PDU session modification procedure.
In the above solution, the reducing, based on the first information, the data rate subscribed by all terminals in the first network slice includes:
based on the first information and in combination with a first parameter, reducing the data rate subscribed by all terminals under the first network slice; and the first parameter characterizes the guaranteed bandwidth of the terminal under the first network slice.
In the above scheme, the method further comprises:
receiving second information sent by the first core network equipment; the second information is used for indicating the second core network equipment to increase the data rate subscribed by all terminals under the first network slice;
based on the second information, increasing the data rate subscribed by all terminals under the first network slice; and triggers the PDU session modification procedure.
In the above solution, the increasing the data rate subscribed by all terminals under the first network slice based on the second information includes:
Based on the second information and in combination with a second parameter, increasing the data rate subscribed by all terminals under the first network slice; the second parameter characterizes a maximum bandwidth of the terminal under the first network slice.
In the above scheme, the subscribed data rate includes Session-AMBR of Non-GBR QoS flow.
In the above scheme, the triggering to perform the PDU session modifying procedure includes:
Transmitting third information to a session management function SMF; the third information is used to instruct the SMF to initiate a PDU session modification procedure.
The embodiment of the application also provides a processing device of the network slice data rate, which comprises:
The acquisition unit acquires data rates used by all PDU sessions under the first network slice;
and the first processing unit is used for judging whether the data rate used by all PDU sessions under the acquired first network slice reaches a first data rate threshold of the first network slice.
The embodiment of the application also provides a processing device of the network slice data rate, which comprises:
the receiving unit is used for receiving the first information sent by the first core network equipment; the first information is used for indicating the second core network equipment to reduce the data rate subscribed by all terminals under the first network slice;
The second processing unit is used for reducing the data rate subscribed by all terminals under the first network slice based on the first information; and triggers the PDU session modification procedure.
The embodiment of the application also provides first core network equipment, which comprises:
a first communication interface for acquiring data rates used by all PDU sessions under a first network slice;
And the first processor is used for judging whether the data rate used by all PDU sessions under the acquired first network slice reaches a first data rate threshold of the first network slice.
The embodiment of the application also provides second core network equipment, which comprises:
The second communication interface is used for receiving the first information sent by the first core network equipment; the first information is used for indicating the second core network equipment to reduce the data rate subscribed by all terminals under the first network slice;
The second processor is used for reducing the data rate subscribed by all terminals under the first network slice based on the first information; and triggers the PDU session modification procedure.
The embodiment of the application also provides first core network equipment, which comprises: a first processor and a first memory for storing a computer program capable of running on the processor,
And the first processor is used for executing any step of the method at the first core network equipment side when running the computer program.
The embodiment of the application also provides second core network equipment, which comprises: a second processor and a second memory for storing a computer program capable of running on the processor,
And the second processor is used for executing any step of the method at the second core network equipment side when the computer program is run.
The embodiment of the application also provides a storage medium, on which a computer program is stored, the computer program, when executed by a processor, realizes the steps of any method at the first core network device side or realizes the steps of any method at the second core network device side.
The method, the device, the related equipment and the storage medium for processing the network slice data rate provided by the embodiment of the application have the advantages that the first core network equipment acquires the data rate used by all PDU sessions under the first network slice; and judging whether the acquired data rates used by all PDU sessions under the first network slice reach a first data rate threshold of the first network slice, wherein the statistics and judgment functions are added to the first core network equipment, so that the dynamic control of the data rate of the network slice can be realized later.
Drawings
Fig. 1 is a flow chart of a processing method of network slice data rate according to an embodiment of the application;
FIG. 2 is a flow chart illustrating another method for processing network slice data rate according to an embodiment of the present application;
FIG. 3 is a flow chart of a method for controlling the slice usage of the network according to the application example 5G of the present application;
fig. 4 is a schematic structural diagram of a processing device for network slice data rate according to an embodiment of the present application;
FIG. 5 is a schematic diagram of a processing apparatus for network slice data rate according to another embodiment of the present application;
fig. 6 is a schematic structural diagram of a first core network device according to an embodiment of the present application;
Fig. 7 is a schematic structural diagram of a first core network device according to an embodiment of the present application;
fig. 8 is a schematic diagram of a processing system for network slice data rate according to embodiment 8 of the present application.
Detailed Description
The present application will be described in further detail with reference to examples.
In the related art, control of the network slice usage is static, in which case, when the number of access terminals (which may also be referred to as User Equipments (UEs)) in a slice is small, the data rate used by PDU sessions established by the terminals may be limited, and the idle bandwidth resources in the network slice may be idle, which is a resource waste for the network.
Based on this, in various embodiments of the present application, the first core network device adds statistics and judgment functions to subsequently implement dynamic control of network slice usage.
The embodiment of the application provides a processing method of a network slice data rate, which is applied to first core network equipment, as shown in fig. 1, and comprises the following steps:
step 101: acquiring data rates used by all PDU sessions under a first network slice;
step 102: and judging whether the data rate used by all PDU sessions under the acquired first network slice reaches a first data rate threshold of the first network slice.
In practical application, the data rate may also be referred to as bandwidth, usage, network rate, etc.; accordingly, the total data rate of the first network slice may be referred to as a total bandwidth, a total usage, a total network rate, etc.
The first core network device may be a Network Slice Selection Function (NSSF), which may also be referred to as a NSSF entity.
In actual use, the PCF (or PCF entity) may obtain the data rate used by the PDU session of the terminal accessed in the first network slice, and send it to the first core network device.
Based on this, for step 101, in one embodiment, obtaining a data rate used by a PDU session under a first network slice includes:
and receiving the data rate used by the PDU session under the first network slice reported by the PCF.
Here, after the terminal accesses the first network slice, the Radio Access Network (RAN) (which may specifically be a base station) reports the data rate occupied by the current PDU session in real time to the PCF through an access and mobility management function (AMF) (which may also be referred to as an AMF entity); the PCF reports the data rate occupied by the current PDU session of the received terminal to the first core network equipment in real time, and in this way, the first core network equipment acquires the data rates used by all PDU sessions under the first network slice.
Here, in practical application, the PCF may report, to the first core network device, the data rate used by the PDU session under the first network slice through an interface with the first core network device.
In practice, steps 101 and 102 may be performed in real time.
In one embodiment, the implementation of step 102 may include:
counting the data rates used by all PDUs under the acquired first network slice to obtain a total data rate;
Determining whether the total data rate reaches the first data rate threshold.
That is, summing the data rates used by the PDUs under the first network slice to obtain a total data rate; and judging whether the total data rate reaches the first data rate threshold.
Here, when the total data rate reaches the first data rate threshold, that is, when the total data rate is greater than or equal to the first data rate threshold, determining that the data rate used by all PDU sessions under the acquired first network slice reaches the first data rate threshold; accordingly, when the total data rate does not reach the first data rate threshold, that is, the total data rate is smaller than the first data rate threshold, it is determined that the data rates used by all PDU sessions under the acquired first network slice do not reach the first data rate threshold.
When the terminal signs up with the first network slice, for example, the operator stores the total data rate s Mbps of the first network slice, and the guaranteed bandwidth gb Mbps and the maximum bandwidth mb Mbps of each terminal for the first network slice, for example, these information are stored on an operation and maintenance management (OAM) device, where the first core network device sets the first data rate threshold to (s-mb) Mbps, so that it can be ensured that in a limit case, the next terminal can access the first network slice with the maximum bandwidth. The first core network device may obtain, from an OAM device, a total data rate of the first network slice, a guaranteed bandwidth and a maximum bandwidth of each terminal for the first network slice. Of course, in practical application, the total data rate of the first network slice, the guaranteed bandwidth and the maximum bandwidth of each terminal for the first network slice may be preconfigured on the first core network device according to the policy of the operator, so as to be capable of dynamically controlling the data rate of the first network slice.
When the data rate used by all acquired PDU sessions reaches the first data rate threshold, the data rate subscribed by all terminals in the first network slice needs to be reduced so as to ensure that other terminals can access the first network slice.
Based on this, in an embodiment, the method may further include:
transmitting first information to a second core network device under the condition that the data rate used by all acquired PDU sessions reaches the first data rate threshold; the first information is used for indicating the second core network device to reduce the data rate subscribed by all terminals under the first network slice.
Here, in actual application, in the network, the QoS flow types of the PDU session that the terminal requests to establish are divided into two types, one type is Guaranteed Bit Rate (GBR) QoS flow, and the corresponding service can be normally performed only when the bandwidth provided by the network is required to reach the guaranteed bit rate (GFBR); the other type is QoS flows of Non-GBR, which have no requirement for the minimum bandwidth offered by the network, but the corresponding bandwidth cannot exceed the Session-AMBR specified by the PDU Session. Wherein, in general, the Session-AMBR of the QoS flow of the Non-GBR is set by the operator according to some policies, and the Session-AMBR of the QoS flow of the Non-GBR is generally set by considering the network slicing capability.
In the embodiment of the application, the total data rate of the network slice refers to the total bandwidth resource of the network slice, so that the corresponding PDU session comprises the PDU session corresponding to the GBR QoS stream and the Non-GBR QoS stream. Since the bandwidth of the GBR QoS flow needs to be guaranteed, the adjustment of the bandwidth reserved for the PDU Session corresponding to the GBR QoS flow is not considered in the dynamic control of the network slice data rate, and the dynamic adjustment of the Session-AMBR of the Non-GBR QoS flow in the PDU Session is only involved.
Based on this, in an embodiment, the subscribed data rate includes Session-AMBR of the Session of the Non-GBR QoS flow, that is, the first information may be used to instruct the second core network device to reduce Session-AMBR of the Session of the Non-GBR QoS flow subscribed to by all terminals under the first network slice.
In practical applications, in order to better realize dynamic control over the network slice data rate, the first core network device needs to be able to know which terminals have been reduced in data rate.
Based on this, in an embodiment, the method may further include:
The terminal with the reduced data rate in the first network slice is identified, for example, an identifier is added to the terminal with the reduced data rate in a terminal information list managed by the terminal to characterize that the terminal is reduced in data rate.
Here, in practical application, an identification bit may be set for each terminal, and when the data rate of the terminal is reduced, the identification position of the terminal is set to 1, and when the data rate of the terminal is changed, the identification position of the terminal is set to 0.
In practical application, after the data rate of the terminal is reduced, the first network device can still acquire the data rates used by all the PDU sessions under the first network slice in real time, so that when the data rates used by all the PDU sessions under the first network slice are acquired and do not exceed a data rate threshold, the aimed data rate can be increased again, so that most users (i.e. terminals) in the network slice are ensured to obtain the best experience.
Based on this, in an embodiment, the method may further include:
Acquiring the data rate used by all PDU sessions under the first network slice again;
Transmitting second information to the second core network device under the condition that the data rate used by all acquired sessions does not reach a second data rate threshold of the first network slice; the second information is used for indicating the second core network equipment to increase the data rate subscribed by all terminals under the first network slice; the second data rate threshold is less than the first data rate threshold.
Specifically, counting the data rates used by all PDUs under the first network slice acquired again to obtain a total data rate;
determining whether the total data rate reaches the second data rate threshold.
Here, when the total data rate reaches the second data rate threshold, that is, the total data rate is greater than or equal to the second data rate threshold, determining that the data rate used by all PDU sessions under the acquired first network slice reaches the second data rate threshold; accordingly, when the total data rate does not reach the second data rate threshold, i.e., the total data rate is less than the second data rate threshold, it is determined that the data rates used by all PDU sessions under the acquired first network slice do not reach the second data rate threshold.
Wherein the second data rate threshold may be set as desired, the second data rate threshold may be set, for example, to fifty percent of the total data rate s Mbps of the first network slice.
In practice, the second information is useful for accessing the terminal of the first network slice, and thus, from this point of view, the second information is used to instruct the second core network device to increase the data rate of the terminal of reduced data rate, i.e. to increase the Session-AMBR of the Session of the Non-GBR QoS flow.
Of course, in practical application, when the data rate subscribed to by the terminal with the reduced data rate is restored to the subscribed data rate initially set by the operator, the first core network device may remove the identifier of the terminal with the reduced data rate.
When the identification bit is adopted for identification, after the data rate subscribed by the terminal with the reduced rate is recovered, the corresponding identification position is 0. Here, when the data rate subscribed to by the terminal having the reduced data rate is restored to the subscribed data rate initially set by the operator, the second core network device may notify the first core network device so as to reset the identification bit of the corresponding terminal.
Correspondingly, the embodiment of the application also provides a processing method of the network slice data rate, which is applied to the second core network equipment, as shown in fig. 2, and the method comprises the following steps:
step 201: receiving first information sent by first core network equipment; the first information is used for indicating the second core network equipment to reduce the data rate subscribed by all terminals under the first network slice;
Step 202: based on the first information, reducing the data rate subscribed by all terminals under the first network slice; and triggers the PDU session modification procedure.
In practical application, the second core network device may be a Universal Data Management (UDM), which may also be referred to as a UDM entity.
In step 201, in actual application, the first information may be received through an interface with the first core network device.
Here, when the user signs up for the first network slice, the operator may take the total data rate s Mbps of the first network slice, and the guaranteed bandwidth gbmbps and the maximum bandwidth Mbps of each terminal for the first network slice as the sign-up data of the user. The guaranteed bandwidth refers to a bandwidth required by normal service under the first network slice. Therefore, the data rate subscribed by the terminal can be adjusted in combination with the subscription data, so that most users in the first network slice can obtain better experience.
Based on this, in an embodiment, the reducing, based on the first information, the data rate subscribed to by all terminals under the first network slice includes:
based on the first information and in combination with a first parameter, reducing the data rate subscribed by all terminals under the first network slice; and the first parameter characterizes the guaranteed bandwidth of the terminal under the first network slice.
Here, in an embodiment, the subscribed data rate may comprise Session-AMBR of Non-GBR QoS flows.
The second core network device may reduce the data rate subscribed to by all terminals under the first network slice, i.e. Session-AMBR of the Non-GBR QoS flow, as required. For example, the second core network device may reduce the Session-AMBR of the Non-GBR QoS flow of the terminal, so that the Session-AMBR of the Non-GBR QoS flow and the guaranteed bandwidth for the terminal under the first network slice. The second core network device may further reduce 80% (i.e. reduce according to a certain proportion) of the Session-AMBR of the Non-GBR QoS flow of the terminal to be the Session-AMBR of the corresponding Non-GBR QoS flow when signing the first network slice, and so on.
In an embodiment, the method may further comprise:
receiving second information sent by the first core network equipment; the second information is used for indicating the second core network equipment to increase the data rate subscribed by all terminals under the first network slice;
based on the second information, increasing the data rate subscribed by all terminals under the first network slice; and triggers the PDU session modification procedure.
The second core network device and the second core network device can reduce the data rate subscribed by all terminals under the first network slice according to the requirement, namely the Session-AMBR of the Non-GBR QoS flow. For example, the second core network device may reduce the Session-AMBR of the Non-GBR QoS flow of the terminal such that the Session-AMBR of the Non-GBR QoS flow and the maximum bandwidth of the terminal under the first network slice. The second core network device may further increase 80% to 100% (i.e. increase according to a certain proportion) of the Session-AMBR of the Non-GBR QoS flow of the terminal to the Session-AMBR of the corresponding Non-GBR QoS flow when signing the first network slice, and so on.
In an embodiment, the triggering performs a PDU session modifying procedure, including:
transmitting third information to the SMF (which may also be referred to as an SMF entity); the third information is used to instruct the SMF to initiate a PDU session modification procedure.
Here, in practical application, the SMF modifies the PDU Session according to the Session-AMBR of the modified Non-GBR QoS flow, including: the SMF regenerates QoS configuration files (QoS profiles) according to the modified session-AMBR and other QoS parameters and provides the QoS configuration files for the AMF and the terminal, thereby achieving the purpose of adjusting the data rate of the terminal.
According to the processing method of the network slice data rate, the first core network equipment acquires the data rates used by all PDU sessions under the first network slice; and judging whether the acquired data rates used by all PDU sessions under the first network slice reach a first data rate threshold of the first network slice, wherein the statistics and judgment functions are added to the first core network equipment, so that the dynamic control of the data rate of the network slice can be realized later.
In addition, under the condition that the data rate used by all acquired PDU sessions reaches the first data rate threshold, first information is sent to second core network equipment; the first information is used for indicating the second core network equipment to reduce the data rate subscribed by all terminals under the first network slice; the second core network equipment reduces the data rate subscribed by all terminals under the first network slice based on the first information; and triggering a PDU session modification flow, notifying the second core network equipment to reduce the data rate subscribed by all terminals under the network slice when determining that the data rate used by all PDU sessions reaches the data rate threshold, and triggering the PDU session modification flow, thereby achieving the purpose of reducing the data rate of the accessed terminal and further realizing the dynamic control of the network slice data rate.
In addition, after the data rate subscribed by the terminal is reduced, the first core network device acquires the data rates used by all PDU sessions under the first network slice again; transmitting second information to the second core network device under the condition that the data rate used by all the acquired sessions does not reach the second data rate threshold of the first network slice; the second information is used for indicating the second core network equipment to increase the data rate subscribed by all terminals under the first network slice; the second data rate threshold is less than the first data rate threshold; the second core network equipment increases the data rate subscribed by all terminals under the first network slice based on the second information; and triggering the PDU session modification flow, notifying the second core network equipment to increase the data rate subscribed by all terminals under the network slice when the data rate used by all PDU sessions is smaller, and triggering the PDU session modification flow, thereby achieving the purpose of increasing the data rate of the accessed terminal and further realizing the dynamic control of the network slice data rate.
The present application will be described in further detail with reference to examples of application.
The method for controlling the network slice consumption in the application embodiment 5G mainly comprises the steps of judging the network slice consumption through NSSF and dynamically adjusting the network.
When a UE signs up for a network slice, the operator will store the total usage of the slice, s Mbps, and the guaranteed bandwidth for each UE for the slice, gb Mbps, and the maximum bandwidth, mb Mbps. NSSF may obtain this information dynamically from the OAM device or preconfigure it according to the operator's policy.
The method for controlling the 5G network slice consumption comprises the following steps as shown in fig. 3:
step 301: the network slice user has established a PDU session;
Step 302: after the UE establishes the PDU session, the RAN reports the network rate occupied by the current PDU session to the PCF through the AMF;
here, the procedure of obtaining the network rate by the RAN may refer to the related art, and will not be described herein.
Step 303: after receiving the reported network rate of the UE, the PCF reports the network rate occupied by the current PDU session in real time to NSSF;
Step 304: NSSF counting the total bandwidth (i.e. total usage) used by all PDU sessions under the current network slice, and comparing the total bandwidth with a threshold value of the usage of the network slice; if the total bandwidth of the current slice reaches the threshold of the usage of the network slice, step 305 is executed, and if the total bandwidth of the current slice does not reach the threshold of the usage of the network slice, the PDU session established by the UE is not affected.
Here, in order to guarantee that the current UE can successfully establish the PDU session in the limit case, the slice usage threshold of NSSF may be set to (s-mb) Mbps.
Step 305: if the total bandwidth of the current network slice reaches the threshold value of the usage of the network slice, NSSF notifies the UDM, and reduces the subscribed Session-AMBR of all the UEs, so that the sum of all the Session-AMBR of each UE and GFBR of the GBR QoS flows is the guaranteed bandwidth gb of the UE, namely the Session-AMBR is gb-GFBR.
Step 306: the UDM modifies the subscription data of all the UE under the network slice, and initiates a session management notification (Nudm SM Notification) message to the SMF, namely, sends third information, and triggers the SMF to initiate a PDU session modification flow;
Step 307: after receiving Nudm SM Notification message, SMF initiates PDU session modification procedure;
Here, the SMF regenerates the QoS profile according to the subscribed Session-AMBR and other QoS parameters provided by the current UDM and provides the QoS profile to the AMF and the UE, so as to achieve the purpose of network deceleration, thereby guaranteeing the access of the subsequent UE.
After the Session-AMBR of the accessed UE is reduced, if the subsequent UE accesses the network slice, when the network identifies the slice instance information S-NSSAI of the UE, the network triggers a UE Configuration Update (UCU) procedure, so as to modify the Session-AMBR in the subscription information of the subsequently accessed UE, so that the modified Session-AMBR of the subsequently accessed UE and the PDU Session established before remain consistent.
Here, the basic idea of UCU flow is: the AMF discovers that the UE requests the network slice, considers that the signed Session-AMBR of the UE accessing the network slice needs to be modified, and instructs the UE to re-register according to the new Session-AMBR.
From the above description, it can be seen that one scenario of the solution provided by the embodiment of the present application is:
When a user purchases a network slice, the lower limit of bandwidth resources provided for the user is guaranteed bandwidth, and the upper limit is the upper limit bandwidth of the user. In the case of bandwidth resources enrichment of a network slice, the network may provide the user with an upper bandwidth. When PDU session established by the accessed UE is about to reach the total usage of slice, the network strategy is dynamically adjusted, and the bandwidth of all users can be reduced to the guaranteed bandwidth. By dynamically controlling the slice usage in this way, it can be ensured that most users within the network slice get the best experience.
By way of example, the downstream bandwidth of one network slice is 96Mbps; when signing up with enterprises, the number of users which are accessed by the network slice is regulated to be 12, and the bandwidth of each user is 8Mbps (guaranteed bandwidth) to 9.6Mbps (upper limit bandwidth). When the bandwidth resources in the network slice are sufficient, i.e. the number of access users is small, each access user can enjoy the bandwidth of 9.6 Mbps; when the 10 th user establishes PDU session, if the user still uses 9.6Mbps bandwidth as subscription value to access, the 11 th and 12 th users can not access the slice, at this time, the network should dynamically adjust the network rate of the first 10 UEs to 8Mbps to ensure successful access of the 11 th and 12 th users.
In order to implement the method of the embodiment of the present application, the embodiment of the present application further provides a processing apparatus for a network slice data rate, which is disposed on a first core network device, as shown in fig. 4, and the apparatus includes:
an acquiring unit 401, configured to acquire data rates used by all PDU sessions under the first network slice;
a first processing unit 402 is configured to determine whether a data rate used by all PDU sessions under the acquired first network slice reaches a first data rate threshold of the first network slice.
Wherein, in an embodiment, the first processing unit 402 is specifically configured to:
counting the data rates used by all PDUs under the acquired first network slice to obtain a total data rate;
Determining whether the total data rate reaches the first data rate threshold.
In an embodiment, the obtaining unit 401 is specifically configured to:
And receiving the data rate used by the PDU session under the first network slice reported by the PCF.
In an embodiment, the first processing unit 402 is further configured to:
transmitting first information to a second core network device under the condition that the data rate used by all acquired PDU sessions reaches the first data rate threshold; the first information is used for indicating the second core network device to reduce the data rate subscribed by all terminals under the first network slice.
In an embodiment, the first processing unit 402 is further configured to:
And identifying the terminal with the reduced data rate in the first network slice.
In an embodiment, the obtaining unit 401 is further configured to obtain, again, a data rate used by all PDU sessions under the first network slice;
The first processing unit 402 is further configured to send second information to the second core network device if the acquired data rates used by all sessions do not reach the second data rate threshold of the first network slice; the second information is used for indicating the second core network equipment to increase the data rate subscribed by all terminals under the first network slice; the second data rate threshold is less than the first data rate threshold.
In practical application, the obtaining unit 401 may be implemented by a communication interface in a processing device of a network slice data rate; the first processing unit 402 may be implemented by a processor in a processing device of a network slice data rate in combination with a communication interface.
In order to implement the method at the second core network device side in the embodiment of the present application, the embodiment of the present application further provides a processing device for a network slice data rate, which is disposed on the second core network device, as shown in fig. 5, and the device includes:
A receiving unit 501, configured to receive first information sent by a first core network device; the first information is used for indicating the second core network equipment to reduce the data rate subscribed by all terminals under the first network slice;
a second processing unit 502, configured to reduce, based on the first information, a data rate subscribed to by all terminals under the first network slice; and triggers the PDU session modification procedure.
In one embodiment, the second processing unit 502 is specifically configured to:
based on the first information and in combination with a first parameter, reducing the data rate subscribed by all terminals under the first network slice; and the first parameter characterizes the guaranteed bandwidth of the terminal under the first network slice.
In an embodiment, the receiving unit 501 is further configured to receive second information sent by the first core network device; the second information is used for indicating the second core network equipment to increase the data rate subscribed by all terminals under the first network slice;
The second processing unit 502 is further configured to increase, based on the second information, a data rate subscribed by all terminals under the first network slice; and triggers the PDU session modification procedure.
In one embodiment, the second processing unit 502 is specifically configured to:
Based on the second information and in combination with a second parameter, increasing the data rate subscribed by all terminals under the first network slice; the second parameter characterizes a maximum bandwidth of the terminal under the first network slice.
In an embodiment, the second processing unit 502 is specifically configured to:
transmitting third information to the SMF; the third information is used to instruct the SMF to initiate a PDU session modification procedure.
In practical application, the receiving unit 501 may be implemented by a communication interface in a processing device of a network slice data rate; the second processing unit 502 may be implemented by a processor in a processing device of a network slice data rate in combination with a communication interface.
It should be noted that: in the processing device for network slice data rate provided in the above embodiment, only the division of each program module is used for illustration, and in practical application, the processing allocation may be performed by different program modules according to needs, that is, the internal structure of the device is divided into different program modules to complete all or part of the processing described above. In addition, the processing device for the network slice data rate provided in the above embodiment and the processing method embodiment for the network slice data rate belong to the same concept, and the detailed implementation process of the processing device is referred to as the method embodiment, which is not described herein.
Based on the hardware implementation of the program module, and in order to implement the method at the first core network device side in the embodiment of the present application, the embodiment of the present application further provides a first core network device, as shown in fig. 6, where the first core network device 600 includes:
The first communication interface 601 is capable of performing information interaction with the second core network device;
The first processor 602 is connected to the first communication interface 601 to implement information interaction with the second core network device, and is configured to execute the method provided by one or more technical solutions on the first core network device side when running the computer program. And the computer program is stored on the first memory 603.
Specifically, the first communication interface 601 is configured to obtain a data rate used by all PDU sessions under a first network slice;
The first processor 602 is configured to determine whether a data rate used by all PDU sessions under the acquired first network slice reaches a first data rate threshold of the first network slice.
Wherein, in an embodiment, the first processor 602 is specifically configured to:
counting the data rates used by all PDUs under the acquired first network slice to obtain a total data rate;
Determining whether the total data rate reaches the first data rate threshold.
In an embodiment, the first communication interface 601 is specifically configured to:
And receiving the data rate used by the PDU session under the first network slice reported by the PCF.
In an embodiment, the first processor 602 is further configured to:
Transmitting first information to a second core network device through the first communication interface 601 under the condition that the data rate used by all acquired PDU sessions reaches the first data rate threshold; the first information is used for indicating the second core network device to reduce the data rate subscribed by all terminals under the first network slice.
In an embodiment, the first processor 602 is further configured to:
And identifying the terminal with the reduced data rate in the first network slice.
In an embodiment, the first communication interface 601 is further configured to acquire again a data rate used by all PDU sessions under the first network slice;
The first processor 602 is further configured to send second information to the second core network device through the first communication interface 601, where the acquired data rates used by all sessions do not reach the second data rate threshold of the first network slice; the second information is used for indicating the second core network equipment to increase the data rate subscribed by all terminals under the first network slice; the second data rate threshold is less than the first data rate threshold.
It should be noted that: the specific processing of the first processor 602 and the first communication interface 601 may be understood with reference to the above-described methods.
Of course, in actual practice, the various components in the first core network device 600 are coupled together via the bus system 604. It is understood that the bus system 604 is used to enable connected communications between these components. The bus system 604 includes a power bus, a control bus, and a status signal bus in addition to the data bus. But for clarity of illustration, the various buses are labeled as bus system 604 in fig. 6.
The first memory 603 in the embodiment of the present application is used to store various types of data to support the operation of the first core network apparatus 600. Examples of such data include: any computer program for operating on the first core network device 600.
The method disclosed in the above embodiment of the present application may be applied to the first processor 602 or implemented by the first processor 602. The first processor 602 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the method may be implemented by an integrated logic circuit of hardware or an instruction in software form in the first processor 602. The first Processor 602 described above may be a general purpose Processor, a digital signal Processor (DSP, digital Signal Processor), or other programmable logic device, discrete gate or transistor logic device, discrete hardware components, or the like. The first processor 602 may implement or perform the methods, steps, and logic blocks disclosed in embodiments of the present application. The general purpose processor may be a microprocessor or any conventional processor or the like. The steps of the method disclosed in the embodiment of the application can be directly embodied in the hardware of the decoding processor or can be implemented by combining hardware and software modules in the decoding processor. The software module may be located in a storage medium located in the first memory 603, said first processor 602 reading information in the first memory 603 and performing the steps of the method described above in connection with its hardware.
In an exemplary embodiment, the first core network device 600 may be implemented by one or more Application Specific Integrated Circuits (ASICs), DSPs, programmable logic devices (PLDs, programmable Logic Device), complex Programmable logic devices (CPLDs, complex Programmable Logic Device), field-Programmable gate arrays (FPGAs), general purpose processors, controllers, micro-controllers (MCUs, micro Controller Unit), microprocessors (micro processors), or other electronic elements for performing the aforementioned methods.
Based on the hardware implementation of the program module, and in order to implement the method on the second core network device side in the embodiment of the present application, the embodiment of the present application further provides a second core network device, as shown in fig. 7, where the second core network device 700 includes:
a second communication interface 701, capable of performing information interaction with the first core network device;
The second processor 702 is connected to the second communication interface 701, so as to implement information interaction with the first core network device, and is configured to execute the method provided by one or more technical solutions on the second core network device side when running the computer program. And the computer program is stored on the second memory 703.
Specifically, the second communication interface 701 is configured to receive first information sent by the first core network device; the first information is used for indicating the second core network equipment to reduce the data rate subscribed by all terminals under the first network slice;
the second processor 702 is configured to reduce, based on the first information, a data rate subscribed to by all terminals under the first network slice; and triggers the PDU session modification procedure.
Wherein, in an embodiment, the second processor 702 is specifically configured to:
based on the first information and in combination with a first parameter, reducing the data rate subscribed by all terminals under the first network slice; and the first parameter characterizes the guaranteed bandwidth of the terminal under the first network slice.
In an embodiment, the second communication interface 701 is further configured to receive second information sent by the first core network device; the second information is used for indicating the second core network equipment to increase the data rate subscribed by all terminals under the first network slice;
the second processor 702 is further configured to increase the data rate subscribed to by all terminals under the first network slice based on the second information; and triggers the PDU session modification procedure.
Wherein, in an embodiment, the second processor 702 is specifically configured to:
Based on the second information and in combination with a second parameter, increasing the data rate subscribed by all terminals under the first network slice; the second parameter characterizes a maximum bandwidth of the terminal under the first network slice.
In one embodiment, the second processor 702 is specifically configured to:
transmitting third information to the SMF through the second communication interface 701; the third information is used to instruct the SMF to initiate a PDU session modification procedure.
It should be noted that: the specific processing procedure of the second communication interface 701 can be understood with reference to the above method.
Of course, in actual practice, the various components in the second core network device 700 are coupled together via the bus system 704. It is appreciated that bus system 704 is used to enable connected communications between these components. The bus system 704 includes a power bus, a control bus, and a status signal bus in addition to the data bus. But for clarity of illustration, the various buses are labeled as bus system 704 in fig. 7.
The second memory 703 in the embodiment of the present application is used to store various types of data to support the operation of the second core network device 700. Examples of such data include: any computer program for operation on the second core network device 700.
The method disclosed in the above embodiment of the present application may be applied to the second processor 702, or implemented by the second processor 702. The second processor 702 may be an integrated circuit chip with signal processing capabilities. In implementation, the steps of the method may be implemented by an integrated logic circuit of hardware or an instruction in software form in the second processor 702. The second processor 702 described above may be a general purpose processor, DSP, or other programmable logic device, discrete gate or transistor logic device, discrete hardware components, or the like. The second processor 702 can implement or perform the methods, steps, and logic blocks disclosed in embodiments of the present application. The general purpose processor may be a microprocessor or any conventional processor or the like. The steps of the method disclosed in the embodiment of the application can be directly embodied in the hardware of the decoding processor or can be implemented by combining hardware and software modules in the decoding processor. The software module may be located in a storage medium located in the second memory 703, said second processor 702 reading the information in the second memory 703, in combination with its hardware performing the steps of the method as described above.
In an exemplary embodiment, the second core network device 700 may be implemented by one or more ASIC, DSP, PLD, CPLD, FPGA, general-purpose processors, controllers, MCU, microprocessor, or other electronic components for performing the foregoing methods.
It is to be understood that the memories (the first memory 603 and the second memory 703) of the embodiments of the present application may be volatile memory or nonvolatile memory, and may include both volatile and nonvolatile memories. The non-volatile Memory may be, among other things, a Read Only Memory (ROM), a programmable Read Only Memory (PROM, programmable Read-Only Memory), erasable programmable Read-Only Memory (EPROM, erasable Programmable Read-Only Memory), electrically erasable programmable Read-Only Memory (EEPROM, ELECTRICALLY ERASABLE PROGRAMMABLE READ-Only Memory), Magnetic random access Memory (FRAM, ferromagnetic random access Memory), flash Memory (Flash Memory), magnetic surface Memory, optical disk, or compact disk-Only (CD-ROM, compact Disc Read-Only Memory); the magnetic surface memory may be a disk memory or a tape memory. The volatile memory may be random access memory (RAM, random Access Memory) which acts as external cache memory. By way of example and not limitation, many forms of RAM are available, such as static random access memory (SRAM, static Random Access Memory), synchronous static random access memory (SSRAM, synchronous Static Random Access Memory), dynamic random access memory (DRAM, dynamic RandomAccess Memory), synchronous dynamic random access memory (SDRAM, synchronous Dynamic RandomAccess Memory), and, Double data rate synchronous dynamic random access memory (DDRSDRAM, double Data Rate Synchronous Dynamic Random Access Memory), enhanced synchronous dynamic random access memory (ESDRAM, enhanced Synchronous Dynamic Random Access Memory), synchronous link dynamic random access memory (SLDRAM, syncLink Dynamic Random Access Memory), direct memory bus random access memory (DRRAM, direct Rambus Random Access Memory). the memory described by embodiments of the present application is intended to comprise, without being limited to, these and any other suitable types of memory.
In order to implement the method provided by the embodiment of the present application, the embodiment of the present application further provides a processing system for network slice data rate, as shown in fig. 8, where the system includes: a first core network device 801 and a second core network device 802.
Here, it should be noted that: specific processing procedures of the first core network device 801 and the second core network device 802 are described in detail above, and will not be described here again.
In an exemplary embodiment, the present application further provides a storage medium, i.e. a computer storage medium, in particular a computer readable storage medium, for example, including a first memory 603 storing a computer program, which is executable by the first processor 602 of the first core network device 600 to perform the steps of the aforementioned first core network device side method. For example, the second memory 703 may be provided for storing a computer program that is executable by the second processor 702 of the second core network device 700 to perform the steps of the method on the second core network device side. The computer readable storage medium may be FRAM, ROM, PROM, EPROM, EEPROM, flash Memory, magnetic surface Memory, optical disk, or CD-ROM.
It should be noted that: "first," "second," etc. are used to distinguish similar objects and not necessarily to describe a particular order or sequence.
In addition, the embodiments of the present application may be arbitrarily combined without any collision.
The foregoing description is only of the preferred embodiments of the present application, and is not intended to limit the scope of the present application.
Claims (17)
1. A method for processing a network slice data rate, applied to a first core network device, comprising:
acquiring data rates used by all protocol data unit PDU sessions under a first network slice;
Judging whether the data rate used by all PDU sessions under the first network slice reaches a first data rate threshold of the first network slice; wherein,
The method further comprises the steps of:
Transmitting first information to a second core network device under the condition that the data rate used by all acquired PDU sessions reaches the first data rate threshold; the first information is used for indicating the second core network equipment to reduce the data rate subscribed by all terminals under the first network slice;
Acquiring the data rate used by all PDU sessions under the first network slice again;
Transmitting second information to the second core network device under the condition that the data rate used by all acquired sessions does not reach a second data rate threshold of the first network slice; the second information is used for indicating the second core network equipment to increase the data rate subscribed by all terminals under the first network slice; the second data rate threshold is less than the first data rate threshold.
2. The method of claim 1, wherein said determining whether the data rate used by all PDUs under the acquired first network slice reaches a data rate threshold for the first network slice comprises:
counting the data rates used by all PDUs under the acquired first network slice to obtain a total data rate;
Determining whether the total data rate reaches the first data rate threshold.
3. The method of claim 1, wherein obtaining the data rate used by the PDU session under the first network slice comprises:
and receiving the data rate used by the PDU session under the first network slice and reported by the policy control function PCF.
4. The method of claim 1, wherein the subscribed data rate comprises an aggregate maximum bit rate Session-AMBR for a Session of a Non-guaranteed bit rate quality of service, non-GBR, qoS, flow.
5. The method according to claim 1, wherein the method further comprises:
And identifying the terminal with the reduced data rate in the first network slice.
6. A method for processing a network slice data rate, applied to a second core network device, comprising:
Receiving first information sent by first core network equipment; the first information is used for indicating the second core network equipment to reduce the data rate subscribed by all terminals under the first network slice;
Based on the first information, reducing the data rate subscribed by all terminals under the first network slice; triggering PDU session modification flow; wherein,
The method further comprises the steps of:
receiving second information sent by the first core network equipment; the second information is used for indicating the second core network equipment to increase the data rate subscribed by all terminals under the first network slice;
based on the second information, increasing the data rate subscribed by all terminals under the first network slice; and triggers the PDU session modification procedure.
7. The method of claim 6, wherein the reducing the data rate subscribed to by all terminals under the first network slice based on the first information comprises:
based on the first information and in combination with a first parameter, reducing the data rate subscribed by all terminals under the first network slice; and the first parameter characterizes the guaranteed bandwidth of the terminal under the first network slice.
8. The method of claim 6, wherein increasing the data rate subscribed to by all terminals under the first network slice based on the second information comprises:
Based on the second information and in combination with a second parameter, increasing the data rate subscribed by all terminals under the first network slice; the second parameter characterizes a maximum bandwidth of the terminal under the first network slice.
9. The method according to any of claims 6 to 8, wherein the subscribed data rate comprises Session-AMBR of Non-GBR QoS flows.
10. The method according to any of claims 6 to 8, wherein said triggering a PDU session modification procedure comprises:
Transmitting third information to a session management function SMF; the third information is used to instruct the SMF to initiate a PDU session modification procedure.
11. A processing apparatus for network slice data rate, comprising:
The acquisition unit acquires data rates used by all PDU sessions under the first network slice;
a first processing unit, configured to determine whether data rates used by all PDU sessions under the acquired first network slice reach a first data rate threshold of the first network slice; wherein,
The first processing unit is further configured to send first information to a second core network device when the data rate used by all acquired PDU sessions reaches the first data rate threshold; the first information is used for indicating the second core network equipment to reduce the data rate subscribed by all terminals under the first network slice;
The acquiring unit is further configured to acquire data rates used by all PDU sessions under the first network slice again;
The first processing unit is further configured to send second information to the second core network device if the acquired data rates used by all sessions do not reach the second data rate threshold of the first network slice; the second information is used for indicating the second core network equipment to increase the data rate subscribed by all terminals under the first network slice; the second data rate threshold is less than the first data rate threshold.
12. A processing apparatus for network slice data rate, comprising:
the receiving unit is used for receiving the first information sent by the first core network equipment; the first information is used for indicating the second core network equipment to reduce the data rate subscribed by all terminals under the first network slice;
The second processing unit is used for reducing the data rate subscribed by all terminals under the first network slice based on the first information; triggering PDU session modification flow; wherein,
The receiving unit is further configured to receive second information sent by the first core network device; the second information is used for indicating the second core network equipment to increase the data rate subscribed by all terminals under the first network slice;
the second processing unit is further configured to increase a data rate subscribed by all terminals under the first network slice based on the second information; and triggers the PDU session modification procedure.
13. A first core network device, comprising:
a first communication interface for acquiring data rates used by all PDU sessions under a first network slice;
a first processor, configured to determine whether data rates used by all PDU sessions under the acquired first network slice reach a first data rate threshold of the first network slice; wherein,
The first processor is further configured to send first information to a second core network device when the data rate used by all acquired PDU sessions reaches the first data rate threshold; the first information is used for indicating the second core network equipment to reduce the data rate subscribed by all terminals under the first network slice;
The first communication interface is further configured to acquire a data rate used by all PDU sessions under the first network slice again;
The first processor is further configured to send second information to the second core network device if the acquired data rates used by all sessions do not reach a second data rate threshold of the first network slice; the second information is used for indicating the second core network equipment to increase the data rate subscribed by all terminals under the first network slice; the second data rate threshold is less than the first data rate threshold.
14. A second core network device, comprising:
The second communication interface is used for receiving the first information sent by the first core network equipment; the first information is used for indicating the second core network equipment to reduce the data rate subscribed by all terminals under the first network slice;
The second processor is used for reducing the data rate subscribed by all terminals under the first network slice based on the first information; triggering PDU session modification flow; wherein,
The second communication interface is further configured to receive second information sent by the first core network device; the second information is used for indicating the second core network equipment to increase the data rate subscribed by all terminals under the first network slice;
The second processor is further configured to increase a data rate subscribed by all terminals under the first network slice based on the second information; and triggers the PDU session modification procedure.
15. A first core network device, comprising: a first processor and a first memory for storing a computer program capable of running on the processor,
Wherein the first processor is adapted to perform the steps of the method of any of claims 1 to 5 when the computer program is run.
16. A second core network device, comprising: a second processor and a second memory for storing a computer program capable of running on the processor,
Wherein the second processor is adapted to perform the steps of the method of any of claims 6 to 8 when the computer program is run.
17. A storage medium having stored thereon a computer program, which when executed by a processor, performs the steps of the method of any of claims 1 to 5 or performs the steps of the method of any of claims 6 to 8.
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