CN101296109B - Method, device and system for policy decision entity interaction under multi-policy execution point - Google Patents
Method, device and system for policy decision entity interaction under multi-policy execution point Download PDFInfo
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Abstract
本发明涉及移动通信领域一种多策略执行点下与策略决策实体交互的方法、装置及系统。第一策略执行实体将策略决策实体信息通知给第二策略执行实体；所述第二策略决策实体与所述第一策略执行实体通知的策略决策实体交互，获得信息。本发明实施例通过在多个策略执行实体间传递策略决策实体信息，保证了不同的策略执行实体在同一域内可以与相同的策略决策实体交互，使得与用户的某个业务过程相关的策略规则在一个策略决策实体上进行关联。
The invention relates to a method, device and system for interacting with a policy decision-making entity under multiple policy execution points in the field of mobile communication. The first policy execution entity notifies the second policy execution entity of the information of the policy decision-making entity; the second policy decision-making entity interacts with the policy decision-making entity notified by the first policy execution entity to obtain information. The embodiment of the present invention ensures that different policy enforcement entities can interact with the same policy decision-making entity in the same domain by transferring policy decision-making entity information among multiple policy enforcement entities, so that a policy rule related to a certain business process of a user can be Associated on a policy decision entity.
Description
Technical field
The present invention relates to communication technical field, relate in particular under a kind of multi-policy execution point method, Apparatus and system with policy decision entity interaction.
Background technology
A typical cordless communication network is made of Radio Access Network and radio core network, and as shown in Figure 1, wherein Radio Access Network comprises base station and control appliance (not shown) thereof;
Radio core network comprises:
Mobility Management Entity is used to connect Radio Access Network, and the user is carried out mobile management.Described Mobility Management Entity is also mutual with Radio Access Network and user entity, sets up the user data transmission passage;
User entity is used to connect Radio Access Network and packet data network, will be transmitted to the gateway device in the core net from the user uplink data of Radio Access Network;
Gateway device in the mobile core network generally is used for dividing the IP address that is used in the visit external network to the user, and user data is carried out route or the like function.
In order to realize that many nets merge, wireless core network is except with the corresponding access technology of this wireless technology is connected, can also insert multiple other the wireless access technology of heterogeneous system simultaneously, analogy WLAN access network, WiMAX access network and other any access networks that may exist.When these isomerization access networks insert radio core network, generally can be connected with gateway device in the core net by a gateway device, and obtain an IP address of gateway devices allocation in this core net, be used to visit packet data network, the gateway of this isomery access technology can be connected with the base station of isomery access technology.Like this, equipment has just been realized the interconnection and interflow of multiple access technology by the gateway device in the isomerization access network access core net.
For realize the IP mobile network carry out policy control and based on stream charging, need be on the gateway device of core net Provisioning Policy and charging execution function entity, be used for dynamic strategy and charging regulation that the implementation strategy decision entity issues, carry out local pre-configured strategy and billing function.
Application server is used for according to service request from user among Fig. 1, to policy decision entity issuing service information (comprising user ID, IP address, service bandwidth and medium type etc.); Policy decision entity is used to receive the business information of application server, from user information store, obtain user signing contract information, determine strategy and charging regulation that the user uses, and to strategy and charging execution function entity distributing policy and charging regulation, and the QoS information etc. that mandate is provided.
During specific implementation, described Mobility Management Entity, user entity, gateway device can be separated into three network equipments, also can merge into a network equipment; The isomerization access network gateway also can be specific installation or the entity for unifying that separates with its base station equipment of being with down.
Based on the above-mentioned network architecture, carrying connect set up determine strategy and charging regulation in the process flow process as shown in Figure 2, comprise the steps:
Step 1: gateway device 1 (also being policy execution entity 1) receives that carrying connects the request of foundation, the business network information of wherein carrying user ID and will visit;
Step 2: described gateway device 1 is by the information of user ID with the business network information acquisition strategy decision entity that will visit;
Step 3: described gateway device 1 is to policy decision entity request strategy and charging regulation;
Step 4: if the business information that policy decision entity does not have the user to contract is then obtained the business information that the user contracts from the user profile register;
Dotted line is expressed as optional step among Fig. 2, if also be that described policy decision entity is preserved the business information that the user contracts, then can not need to carry out this step;
Step 5: strategy after described policy decision entity will be determined and charging regulation respond to described gateway device 1;
Step 6: gateway device 1 is confirmed the carrying request of setting up after obtaining strategy and charging regulation response that policy decision entity sends.
By above-mentioned narration as can be known, at present, policy execution entity is to come the search strategy decision entity according to the packet data network information that user ID and user ask to insert.By this mode, the policy decision entity that meets the demands might be not unique, therefrom selects a request of carrying out policing rule by policy execution entity.
Exist the scene of a plurality of policy execution entity to include but not limited to following scene at present:
A. when the heterogeneous radio access networks network inserts radio core network, might have an independent policy execution entity on the gateway device of this heterogeneous radio access networks network, this policy execution entity directly is connected with policy decision entity and is used to obtain policing rule and QoS information; On the gateway device in the radio core network policy execution entity is arranged also, this policy execution entity also needs to obtain policing rule and QoS information with policy decision entity interaction;
B. under roaming scence, policy execution entity need obtain visiting the final policing rule behind the policy decision entity interaction of the policy decision entity on ground and ownership place on the gateway device on visit ground, and the policy execution entity of ownership place also can be carried out with the policy decision entity of ownership place alternately.
When having a plurality of policy execution entity, prior art can't guarantee with the mutual policy decision entity of described a plurality of policy execution entity be same, and when the strategy request relevant that the Different Strategies decision entity receives that the different strategy execution point sends, need go the user profile register read to take the family CAMEL-Subscription-Information respectively with same terminal; When user profile changes in the user profile register, need notify different policy decision entities that this user profile is upgraded.Like this, the user profile register has just been caused the repeated accesses that there is no need.
Therefore, the prior art scheme since can't guarantee with a plurality of policy execution entity mutual for same policy decision entity, thereby cause the policing rule of certain business procedure of a user on a decision entity, to carry out association, cause burden simultaneously with described Different Strategies decision entity calling party information register.
Summary of the invention
The embodiment of the invention provide under a kind of multi-policy execution point guarantee with described many policy execution entity in same territory can with method, the Apparatus and system of identical policy decision entity interaction.
The embodiment of the invention is achieved through the following technical solutions:
The embodiment of the invention provides under a kind of multi-policy execution point the method with policy decision entity interaction, comprising:
First policy execution entity is notified to second policy execution entity with policy decision entity information;
The policy decision entity interaction of described second policy decision entity and described first policy execution entity notice, acquired information.
The embodiment of the invention provides a kind of policy execution entity, comprising:
Policy decision entity information acquisition module is used for determining and the mutual policy decision entity information of described policy execution entity;
The policy decision entity information transfer module, be used for the policy decision entity information that described policy decision entity information acquisition module is determined passed to other policy execution entity, make described two mutual policy execution entity in same territory with identical policy decision entity interaction.
The embodiment of the invention provides under a kind of multi-policy execution point the system with policy decision entity interaction, comprising:
At least two policy execution entity, described at least two policy execution entity are transmission policy decision entity information in reciprocal process, make described at least two policy execution entity in same territory with identical policy decision entity interaction;
Policy decision entity is used to provide strategy and charging regulation information to described policy execution entity.
The technical scheme that is provided by the invention described above embodiment as can be seen, the embodiment of the invention is by transmission policy decision entity information between a plurality of policy execution entity, guaranteed different policy execution entity in same territory can with identical policy decision entity interaction, make the policing rule relevant on a policy decision entity, carry out related with certain business procedure of user.
Description of drawings
Fig. 1 is a prior art exemplary wireless communication network Organization Chart;
Fig. 2 sets up for the prior art carrying connects and determines strategy and charging regulation flow chart in the process;
Fig. 3 is an embodiment of the invention method overview flow chart;
Fig. 4 is the inventive method specific embodiment one flow chart;
Fig. 5 is the inventive method specific embodiment two flow charts;
Fig. 6 is the inventive method specific embodiment three flow charts.
Embodiment
The embodiment of the invention provides under the scene of many policy execution entity, guarantee described many policy execution entity in same territory can with identical policy decision entity interaction, and obtain the business information that the user contracts by described identical policy decision entity.
Technical scheme to the embodiment of the invention is elaborated with reference to the accompanying drawings.
Referring to Fig. 3 is the overview flow chart of the described scheme of the embodiment of the invention, specifically comprises the steps:
Step 1: first gateway device (first policy execution entity) receives carrying and sets up request message, the information such as business network of carrying user ID in the described message and will visit;
Step 2: described first gateway device is by the information of described user ID with the business network information acquisition strategy decision entity that will visit;
Step 3: described first gateway device is to described policy decision entity request strategy and the charging regulation that obtains;
Step 4: after described policy decision entity receives described request, if the business information that does not have the user to contract is then obtained the business information that the user contracts from described policy decision entity user information corresponding register, to make strategic decision-making;
If the business information that described policy decision entity has the user to contract is not then carried out this step;
Step 5: described policy decision entity sends response message to described first gateway device, wherein carries the strategy and the charging regulation of the described first gateway device request;
Step 6: after described first gateway device obtains strategy and charging regulation response that described policy decision entity sends, initiate professional connection procedure to second gateway device (second policy execution entity), in this process, policy decision entity information is notified to second gateway device;
Described policy decision entity is: first policy execution entity and second policy execution entity need be in same territories, the policy decision entity of acquisition strategy and charging regulation information.Described policy decision entity information can be the address information of policy decision entity, also can be the numbering of policy decision entity, as long as can find described policy decision entity according to described information, the embodiment of the invention does not limit.
Step 7: described second gateway device is to the policy decision entity request and the information such as acquisition strategy and charging regulation of described first gateway device notice;
Step 8: after described second gateway device gets access to information such as strategy and charging regulation, reply carrying to first gateway device and set up response;
Step 9: first gateway device is confirmed the carrying request of setting up.
The described gateway device of present embodiment can be insert the gateway device of side and the gateway device of core net, in the time of also can be for trans-region roaming, and the gateway device of a plurality of heterogeneous networks.
By above-mentioned flow process as can be known, a plurality of policy execution entity of the embodiment of the invention in same territory can with identical policy decision entity interaction, information such as acquisition strategy and charging regulation makes that the policing rule relevant with certain business procedure of a user can carry out related on a decision entity.The embodiment of the invention is obtained the business information that the user contracts by described identical policy decision entity to same user profile register simultaneously, has reduced the repeated accesses number of times to the user profile register.Reach when business information changes and only need upgrade described identical policy decision entity or user profile register, simplified and upgraded operation.
Loading establishing process for the network side initiation, the embodiment of the invention is suitable equally, be with the difference of Fig. 3: in the loading establishing process that network side is initiated, be initiatively to send strategy and charging regulation to second gateway device by policy decision entity, described second gateway device receives that the back sends carrying to first gateway device and sets up request, and the information of carrying policy decision entity, so that first gateway device is to same policy decision entity request strategy and charging regulation.
Below by three specific embodiments the method for the invention is described.
Three specific embodiments that provide below are under roaming scence, wherein visit ground and ownership place all have the policy decision entity of oneself, the final policing rule of mutual acquisition of the policy decision entity that the strategy of carrying out on the policy execution entity on visit ground need be by visit ground and the policy decision entity of ownership place, so during the policy execution entity acquisition strategy on visit ground can and the policy decision entity of ownership place carry out once alternately, also can carry out once mutual during the policy execution entity acquisition strategy of ownership place in addition with the policy decision entity of ownership place.Therefore need to transmit ownership place (in the same territory) policy decision entity information between visit ground gateway device and the ownership place gateway device.
First specific embodiment comprises the steps: as shown in Figure 4
Step 1: visit ground gateway device is received carrying foundation request, the business network information of wherein carrying user ID and will visit;
Step 2: visit ground gateway device obtains the information of visit ground policy decision entity and ownership place policy decision entity by described user ID and the business network information that will visit;
Step 3: visit ground gateway device is to visit ground policy decision entity request strategy and charging regulation, and the information of carrying the ownership place policy decision entity in this request message is carried out alternately for visit ground policy decision entity and ownership place policy decision entity;
Step 4: visit ground policy decision entity sends strategy request message to the ownership place policy decision entity, also can ask information such as charging regulation simultaneously;
Step 5: if the business information that the ownership place policy decision entity does not have the user to contract is then obtained user profile from described ownership place policy decision entity user information corresponding register, to make strategic decision-making; If the business information that described policy decision entity has the user to contract is not then carried out this step;
Step 6: the ownership place policy decision entity sends response message to described visit ground policy decision entity, the strategy of policy decision entity request with wherein carrying described visit, or comprise information such as charging regulation simultaneously;
Step 7: after described visit ground policy decision entity receives described information, the policing rule after two policy decision entities negotiations is sent to visit ground gateway device with response message;
Step 8: after described visit ground gateway device obtains the strategy and charging regulation response of described visit ground policy decision entity transmission, initiate loading establishing process to the ownership place gateway device, in this process, ownership place policy decision entity information is notified to the ownership place gateway device;
Step 9: the ownership place gateway device is to the request of ownership place policy decision entity and the acquisition strategy and the charging regulation of described visit ground gateway device notice;
Step 10: the ownership place gateway device responds to visit ground professional foundation of gateway device replied;
Step 11: affirmation carrying foundation was finished after visit ground gateway device received described response message.
Present embodiment has realized that visit ground gateway device and ownership place gateway device are in the ownership place zone, from same policy decision entity (ownership place policy decision entity) acquisition strategy and charging regulation, and obtain user signing contract information by described ownership place policy decision entity, make in process of service execution, in same territory, go to obtain the business information that the user contracts by a policy decision entity, avoid a plurality of policy decision entities to repeat to obtain the business information that the user contracts, simultaneously, when user's signing service information changes, when perhaps the application server business information changes, the policy decision entity or the user profile register that can upgrade the described unique described information of preservation get final product, and make operation more easy.
Second specific embodiment comprises the steps: as shown in Figure 5
Step 1: visit ground gateway device is received carrying foundation request, the business network information of wherein carrying user ID and will visit;
Step 2: visit ground gateway device obtains the information of visit ground policy decision entity by user ID and the business network information that will visit;
Step 3: visit ground gateway device sends strategy and charging regulation request message to described visit ground policy decision entity;
The business network information of carrying user ID in the described message and will visit;
Step 4: described visit ground policy decision entity obtains the information of ownership place policy decision entity by the information of carrying in the described message that receives;
Step 5: described visit ground policy decision entity sends strategy request message to the ownership place policy decision entity, also can ask information such as charging regulation simultaneously;
Step 6: if the business information that the ownership place policy decision entity does not have the user to contract is then obtained the business information that the user contracts from the user profile register, to make strategic decision-making;
If the business information that described ownership place policy decision entity has the user to contract is not then carried out this step.
Step 7: the ownership place policy decision entity sends response to described visit ground policy decision entity, wherein carries the strategy of described visit ground policy decision entity request, or comprises the information such as charging regulation of described request simultaneously;
Step 8: described visit ground policy decision entity has obtained strategy and the charging regulation after two policy decision entities are consulted at this moment, strategy after then will consulting and charging regulation respond to visit gateway device, the information of wherein carrying the ownership place policy decision entity;
Step 9: described visit ground gateway device is initiated loading establishing process to the ownership place gateway device;
Information with the ownership place policy decision entity in this process is notified to the ownership place gateway device;
Step 10: described ownership place gateway device is to the request of ownership place policy decision entity and the acquisition strategy and the charging regulation of described visit ground gateway device notice;
Step 11: described ownership place gateway device is set up to the gateway device replied carrying of visit ground and is responded;
Step 12: after visit ground gateway device receives described response message, confirm to carry to set up and finish.
Present embodiment has realized that visit ground gateway device and ownership place gateway device are in the ownership place zone, from same policy decision entity (ownership place policy decision entity) acquisition strategy and charging regulation, and obtain the business information that the user contracts by described ownership place policy decision entity, make in process of service execution, in same territory, go to obtain the business information that the user contracts by a policy decision entity, avoid a plurality of policy decision entities to repeat to obtain the business information that the user contracts, simultaneously, when the business information of contracting as the user changes, when perhaps the application server business information changes, the policy decision entity or the user profile register that can upgrade the described unique described information of preservation get final product, and make operation more easy.
The 3rd specific embodiment comprises the steps: as shown in Figure 6
Step 1: visit ground gateway device is received carrying foundation request, the business network information of wherein carrying user ID and will visit;
Step 2: described visit ground gateway device is initiated loading establishing process to the ownership place gateway device, promptly sends carrying to the ownership place gateway device and sets up message;
Step 3: described ownership place gateway device is by the information of the information acquisition ownership place policy decision entity that carries in the described message that receives;
Step 4: described ownership place gateway device is to the ownership place policy decision entity request strategy and the charging regulation of described acquisition;
Step 5: if the business information that described ownership place policy decision entity does not have the user to contract is then obtained the business information that the user contracts from the user profile register, to make strategic decision-making;
If the business information that described ownership place policy decision entity has the user to contract is not then carried out this step.
Step 6: described ownership place policy decision entity sends strategy and charging regulation request response to the ownership place gateway device;
Step 7: after described ownership place gateway device received described strategy and charging regulation, response was set up in the carrying of gateway device replied to visit ground; Carry ownership place policy decision entity information in the described response message;
Step 8: described visit ground gateway device obtains the information of visit ground policy decision entity by user ID and the business network information that will visit;
Step 9: described visit ground gateway device sends strategy and charging regulation request message to the described visit ground policy decision entity that obtains, and wherein carries ownership place policy decision entity information;
Step 10: after described visit ground policy decision entity receives described request,, or obtain the information of charging regulation simultaneously to request of ownership place policy decision entity and acquisition strategy;
Step 11: visit ground policy decision entity receives the strategy of described ownership place policy decision entity, or after the information such as charging regulation that comprise simultaneously, the policing rule that two policy decision entities are consulted responds to described visit ground gateway device;
Step 12: after described visit ground gateway device obtains described final policing rule, confirm to carry to set up and finish.
Present embodiment has realized that visit ground gateway device and ownership place gateway device are in the ownership place zone, from same policy decision entity (ownership place policy decision entity) acquisition strategy and charging regulation, and obtain user signing contract information by described ownership place policy decision entity, make in process of service execution, in same territory, go to obtain the business information that the user contracts by a policy decision entity, avoid a plurality of policy decision entities to repeat to obtain the business information that the user contracts, simultaneously, when the business information of contracting as the user changes, when perhaps the application server business information changes, the policy decision entity or the user profile register that can upgrade the described unique described information of preservation get final product, and make operation more easy.
Above-mentioned specific embodiment only is that example describes with the roaming scence, during multi-policy execution point scene when handling heterogeneous radio access networks and insert core net, its method of operation is similar, a plurality of policy execution entity are transmission policy decision entity information in reciprocal process, makes a plurality of policy execution entity connect with identical policy decision entity in same territory.
The embodiment of the invention also provides under a kind of multi-policy execution point the system with policy decision entity interaction, and described system comprises:
At least two policy execution entity, described at least two policy execution entity can be positioned at not same area, and it is provided with:
Policy decision entity information acquisition module is used for determining and the mutual policy decision entity of described policy execution entity, can determine described policy decision entity according to user ID in the message that receives and the business network that will visit information;
The policy decision entity information transfer module, be used for the policy decision entity information that described policy decision entity information acquisition module is determined is passed to other policy execution entity of described system, make described two mutual policy execution entity in same territory with identical policy decision entity interaction.
Described system also comprises: policy decision entity is used to provide strategy and charging regulation information to described policy execution entity;
Described system can also comprise: the user profile register is used to provide user signing contract information to described policy decision entity.
In sum, the embodiment of the invention is by transmission policy decision entity information between a plurality of policy execution entity, guaranteed different policy execution entity in same territory can with identical policy decision entity interaction, make the policing rule relevant on a policy decision entity, carry out related with certain business procedure of user;
In addition, obtain the business information that the user contracts by described identical policy decision entity, avoided a plurality of policy decision entities to repeat to preserve the business information that the user contracts, when user profile changes, can notify described policy decision entity to get final product, simplify the operating process of upgrading a plurality of policy decision entities.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (9)
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| CN101730156B (en) * | 2009-06-18 | 2013-08-07 | 中兴通讯股份有限公司 | Resource admission control method |
| CN101720079B (en) * | 2009-06-19 | 2013-04-03 | 中兴通讯股份有限公司 | Service access method and tactical convergence system in network element tactical convergence network |
| CN106712989B (en) * | 2015-11-12 | 2020-01-21 | 中兴通讯股份有限公司 | QoS management method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1710980A (en) * | 2004-06-17 | 2005-12-21 | 大唐移动通信设备有限公司 | Downstream grouped data scheduling method suitable to mobile communication system |
| US20060161646A1 (en) * | 2005-01-19 | 2006-07-20 | Marc Chene | Policy-driven mobile forms applications |
| CN1889499A (en) * | 2006-07-31 | 2007-01-03 | 华为技术有限公司 | Method and system for realizing consulting tactical information between different network |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1710980A (en) * | 2004-06-17 | 2005-12-21 | 大唐移动通信设备有限公司 | Downstream grouped data scheduling method suitable to mobile communication system |
| US20060161646A1 (en) * | 2005-01-19 | 2006-07-20 | Marc Chene | Policy-driven mobile forms applications |
| CN1889499A (en) * | 2006-07-31 | 2007-01-03 | 华为技术有限公司 | Method and system for realizing consulting tactical information between different network |
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