CN104301124A - Strategy and billing control implement method, system and corresponding equipment - Google Patents
Strategy and billing control implement method, system and corresponding equipment Download PDFInfo
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Abstract
The embodiment of the invention provides strategy and billing control implement method, system and corresponding equipment, and belongs to the technical field of communication. The method, system and corresponding equipment achieve the purposes that under the evolution packet core network scene in the prior art, when a local routing service is provided, an access control entity sends a conversation establishment request to a strategy transfer server, the conversation establishment request comprises instructions for providing the local routing service, and the access control entity comprises a broadband remote access server or a network attachment sub system; a strategy execution entity receives strategies and billing control rules, sent by the strategy transfer server, of the local routing service.
Description
Technical field
The present invention relates to network communication field, particularly relate to implementation method, system and relevant device that a kind of strategy and charging control.
Background technology
At EPC (Evolved Packet Core, evolution block core net) in, PCRF entity (Policy Control and Charging Rules Function, policy control and charging rule functions) entity, for the restriction according to user access network, carrier policy, user contracting data and the current ongoing business information of user etc. determine to be applicable to the rule that the strategy of this user and charging control, to realize QoS (the Quality of Service corresponding to business data flow, service quality) control and charging etc. based on data flow, PGW (PDN Gateway, packet data network gateway), for connecting the PDN (Packet Date Network, packet data network) providing service, and is responsible for forwarding customer traffic and filtration etc., Non-3GPP IP Access (non-3 gpp IP access) is for the IP access way except 3GPP, as 3GPP2 access, WiMAX (Worldwide Interoperability for Microwave Access, World Interoperability for Microwave Access, WiMax) access etc., and the functions such as some extra mobile management can be had.
It is the scene of the fixed network access EPC that TISPAN (Telecommunications and Internet Converged Services and Protocols for Advanced Networking, telecommunications and the Internet converged services and high-level network protocol) defines shown in Fig. 1.It is the implementation of Non-3GPP IP Access under this scene in square frame.NASS (Network Attachment Sub-System, Network Attachment Subsystem) entity in Fig. 1 Non-3GPP IP Access, for being UE (User Equipment, subscriber equipment) distributing IP address; RACS entity (Resource and Admission Control Subsystem, resource admission control subsystem), for controlling session with PCRF inter-entity Establishment strategy, and from the acquisition strategy of PCRF entity and charging control rule, thus realize RCEF (Resource Control Enforcement Function, resources control performs entity, is equivalent to AGW) the control of QoS.When adopting Unified Policy to control, can without RACS entity.
It is the scene of the fixed network access EPC that BBF (Broadband Forum, Broadband Forum) defines shown in Fig. 2.It is the implementation of Non-3GPP IP Access under this scene in square frame.BRAS (Broadband Remote Access Server in Non-3GPP IP Access, Broadband Remote Access Server), for being UE distributing IP address, Policy Controller (strategy controller), for controlling session with PCRF inter-entity Establishment strategy, and from the acquisition strategy of PCRF entity and charging control rule, thus realize controlling the QoS of BRAS (being equivalent to AGW).When adopting Unified Policy to control, can without PolicyController.
Under above-mentioned two kinds of scenes, when UE accesses EPC, EPC can provide two kinds of routing modes for UE: local route and local routing (also claiming local collision).Local route, as shown in Figure 3, is referred to that the data flow of user is forwarded to PGW by AGW, is communicated by PGW with external network.Local routing, as shown in Figure 4, refers to that the data flow of user is without PGW, but is directly forwarded to external network by AGW.
In prior art, to the strategy of UE and the realization of charging mainly through when such as under type: AGW receives the IP connection establishment request of UE, gateway control session can be set up with PCRF inter-entity, and the binding update messages of initiating proxy-mobile IP is to PGW; Set up IP-CAN (IP Connectivity Access Network, IP-Connectivity Access Network network) session with PCRF inter-entity after PGW receives binding update messages; Gateway control session and IP-CAN session association are got up according to information such as the mark of UE, the marks of packet data network by PCRF entity, when PCRF entity receives AF (Application Function, application level function) entity send service resources request time, find the IP-CAN session matched, generate strategy and charging control rule, the policy control rule that PCRF entity is transmitted wherein by gateway control session controls for QoS to AGW, transmit this strategy and charging control rule to PGW by IP-CAN session, control to control with charging for QoS.
State in realization in process, inventor finds that prior art at least exists following shortcoming: when AGW provides local routing mode for UE, data flow is no longer through PGW; Further, because data flow is no longer through PGW, also cannot obtain charging control rule thus realize business charging control.That is: the scheme needing the strategy that realized by PGW and charging to control cannot be realized.
Summary of the invention
Implementation method, system and relevant device that embodiments of the invention provide a kind of strategy and charging to control, realize the control of strategy and charging when providing the service of local routing for user.
The implementation method that strategy and charging control, comprising:
Access control entity sends session establishment request to transmission policy server, comprises the instruction providing local routing to serve in described session establishment request; Described local routing, refers to that the data flow of user is without packet data network gateway PGW, and is directly access in gateway and is forwarded to external network; Described transmission policy server is used for generating strategy and charging control rule;
Policy execution entity receives strategy and the charging control rule of the local routing service that described transmission policy server is sent by policy control session response message.
A kind of equipment, comprising:
For sending the unit of session establishment request to transmission policy server, the instruction providing local routing to serve is comprised in described session establishment request, described local routing, refer to that the data flow of user is without packet data network gateway PGW, and be directly access in gateway and be forwarded to external network, described transmission policy server is used for generating strategy and charging control rule;
For receiving the strategy of local routing service and the unit of charging control rule that transmission policy server sent by policy control session response message.
A kind of transmission policy server, comprising:
For obtaining the unit of the session establishment request from access control entity, the instruction providing local routing to serve is comprised in described session establishment request, described local routing, refers to that the data flow of user is without packet data network gateway PGW, and is directly access in gateway and is forwarded to external network;
For under the instruction got, formulate and be used for the strategy of local routing service and the unit of charging control rule; With
For the strategy of the described local routing service of formulating and charging control rule being sent to the unit of policy execution entity.
What strategy and charging controlled realizes a system, comprising: the said equipment and transmission policy server.
The scheme that the present embodiment provides by carrying the technological means providing local routing service to indicate in session establishment request, be convenient to transmission policy server, according to this instruction, the strategy of local routing service and charging control rule be sent to policy execution entity, and then under the mode of local routing, provide a kind of without the need to associating corresponding IP-CAN session, also participating in without the need to PGW just can the method for acquisition strategy and charging control rule, achieve when without PGW, still can be the local routing service that user provides QoS control and service traffics charging.
Accompanying drawing explanation
Fig. 1 is the scene schematic diagram of the fixed network access EPC of TISPAN definition in background technology;
Fig. 2 is the scene schematic diagram of the fixed network access EPC of BBF definition in background technology;
Fig. 3 is the execution schematic diagram of local routing mode in background technology;
Fig. 4 is the execution schematic diagram of local routing mode in background technology;
Fig. 5 is the strategy of the embodiment of the present invention one and the implementation method schematic flow sheet of charging control rule;
Fig. 6 is the implementation method schematic diagram of strategy under the embodiment of the present invention two scene and charging control rule;
Fig. 7 is the implementation method schematic diagram of strategy under the embodiment of the present invention three scene and charging control rule;
Fig. 8 is the implementation method schematic diagram of strategy under the embodiment of the present invention four scene and charging control rule;
Fig. 9 is the implementation method schematic diagram of strategy under the embodiment of the present invention five scene and charging control rule;
Figure 10 is the implementation method schematic diagram of strategy under the embodiment of the present invention six scene and charging control rule;
Figure 11 is the implementation method schematic diagram of strategy under the embodiment of the present invention seven scene and charging control rule;
Figure 12 is the implementation method schematic diagram of strategy under the embodiment of the present invention eight scene and charging control rule;
Figure 13 is the implementation method schematic diagram of strategy under the embodiment of the present invention nine scene and charging control rule;
Figure 14 is the structural representation of the strategic server of the embodiment of the present invention ten;
Figure 15 is the structural representation of the access control entity of the embodiment of the present invention 11;
Figure 16 is the structural representation of another access control entity of the embodiment of the present invention 11;
Figure 17 is the schematic diagram of the strategy of the embodiment of the present invention 12 and the system that realizes of charging control rule.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
When AGW provides local routing mode for UE, data flow is no longer through PGW, PGW also can not set up IP-CAN session with PCRF entity, so, when receiving the service resources request that AF entity is sent, PCRF entity also cannot be associated with in effective IP-CAN session, causes PCRF entity cannot formulate strategy and the charging control rule of this user, and AGW cannot get policy control rule thus realize QoS and control.Further, because data flow is no longer through PGW, also cannot obtain charging control rule thus realize business charging control.
Embodiment one
The present embodiment provides the implementation method of a kind of strategy and charging control rule, and as shown in Figure 5, the method mainly comprises:
Step 101, access control entity sends session establishment request to transmission policy server, and comprise the instruction providing local routing to serve in described session establishment request, described access control entity comprises BRAS or NASS;
Step 102, policy execution entity receives strategy and the charging control rule of the local routing service that transmission policy server sends.
It should be noted that: the strategy mentioned in the present embodiment and following embodiment and charging control rule can only comprise policy control rule, also only can comprise charging control rule, or comprise strategy and charging control rule simultaneously.
The method that the present embodiment provides carries the decision notification that is defined as providing local routing to serve to transmission policy server by session establishment request, the manner of execution that transmission policy service adopts corresponding local routing mode can be convenient to, avoid transmission policy server because of carrying out according to existing mode of not having instruction to cause, be associated with the IP-CAN session of mistake, thus issue the technical problem of error and charging control rule, simultaneously, also be convenient to when providing local routing to serve for user, the realization that strategy and charging control.
Embodiment two
The implementation method that the concrete composition graphs of the present embodiment 6 provides a kind of strategy and charging to control.Fig. 6 is mainly applicable to the fixed network access EPC scene of BBF definition.In this scenario, BRAS has the function by the function of UE access network and implementation strategy and charging control rule, is therefore both equivalent to access control entity, is also equivalent to policy execution entity; Policy Controller (strategy controller) is equivalent to transmission policy server, in the present embodiment for generating strategy and charging control rule.
Step 301, UE initiates to connect the message connected to BRAS, and the mark comprising this UE is in the message set up new IP with the request that indicates and is connected, and BRAS receives this message.
Wherein, in the present embodiment and following embodiment, this message is PPP (Point to Point Protocol point-to-point protocol) connection establishment request message, DHCP (Dynamic Host Configuration Protocol, DHCP) request message, Attach Request message, PDN (Packet Date Network, packet data network) connection establishment request message etc.; The mark of this UE can be the IMSI (International Mobile Subscriber Identity, IMSI International Mobile Subscriber Identity) of UE, the user name of UE, IP address, and tie-in line identifies, and logic interfacing mark etc., do not do considered critical at this.
Step 302, be subject to the triggering of above-mentioned message, BRAS according to routing decision information such as the association of the mark of this UE corresponding local routing strategy of described UE, the subscription data of user, and when BRAS according to this routing decision information determine provide local routing to serve for UE.
Such as: BRAS is associated with subscription data and the local routing strategy of the user of this UE according to the mark of this UE, point out in the subscription data of this user that this UE is fixed network user, and in local routing strategy, point out that fixed network user adopts local routing mode, therefore BRAS is defined as this user and provides local routing service.
It should be noted that: in the scene of the present embodiment, the subscription data of above-mentioned user has been deployed in this ground of BRAS, and therefore, BRAS directly can utilize the subscription data of the user of this ground.But in fact, according to the difference of network design or planning, the subscription data of this user can not also be local at BRAS, but be present in other equipment, now only needs the subscription data being got user by Signalling exchange from these other equipment.
Step 303, BRAS initiates policy control session to Policy Controller and sets up request message, and carries the instruction providing local routing to serve in the request.
Wherein, above-mentioned policy control session is set up request message and is comprised a lot.Such as: IP-CAN conversation message, S9 conversation message etc.It is also like this that the policy control session mentioned in following embodiment sets up request.
Alternatively, in the present embodiment and following embodiment, what access control entity sent to strategic server comprises the mark that can comprise UE in the session establishment request message providing local routing service to indicate, when comprising the mark of UE, be which specific UE the local routing service for the ease of indicating request is applied particularly to.
Step 304, Policy Controller receives after this policy control session sets up request message, under the instruction providing local routing to serve in this request message, formulate the strategy and charging control rule that are used for local routing service according to control law decision information.
In the present embodiment and following embodiment, this control law decision information mainly refers to local control strategy, can also comprise: the subscription data of user, the service resources solicited message etc. of AF (Application Function, application level function).
Such as: specify in local control strategy: distribute 2,000,000 bandwidth during request local route service, distribute 1,000,000 bandwidth during non-local routing service, do not carry out user's differentiation.Therefore, when when only needing to formulate strategy for local routing service with charging control rule according to local control strategy, Policy Controller strategically in regulation distribution 2,000,000 bandwidth.
Again such as, the mark of UE is comprised in session establishment request, now when formulating the strategy of local routing service and controlling charging regulation, can simultaneously with reference to the user contracting data of local control strategy with this UE, detailed process is as follows: Policy Controller is associated with the subscription data of local control strategy and user (in the present embodiment according to the mark of UE, if it is local that the subscription data of user has been deployed in Policy Controller), the subscription data of the user of this UE is indicated this UE and is accessed by WiFi, and access bandwidth is 2,000,000, WiFi (WirelessFidelity is specified in local control strategy, Wireless Fidelity) access, and the UE that access bandwidth is 2,000,000 should strategically perform with charging control rule A, and (this strategy and charging control rule A specifically can be: the QoS of this UE is WiFi, and bandwidth 2,000,000, 0.50 yuan per minute of this UE flow etc.).Because the concrete subscription data according to local policy and user formulates the process of corresponding strategy and charging control rule, existingly in the prior art to apply, be also that one of ordinary skill in the art can be known easily, be not repeated herein.
Step 305, Policy Controller sets up response message by policy control session and the strategy of the local routing service determined and charging control rule is sent to BRAS, performed according to this rule by BRAS, comprise control QoS and carry out charging etc. according to flow.
In the present embodiment, above-mentioned Policy controller also can replace with PCRF entity, and concrete implementation is not repeated herein.
The method that the present embodiment provides, under the fixed network that BBF defines accesses EPC scene, by making BRAS get strategy and the technological means of charging control rule, achieves the effect that implementation strategy and charging control when providing local routing to serve for user.
Embodiment three
The implementation method that Fig. 7 scene that the present embodiment specifically combines introducing authentication server provides a kind of strategy and charging to control, and the fixed network access EPC scene being mainly applicable to BBF definition in this scene.In this scenario, BRAS has the function by the function of UE access network and implementation strategy and charging control rule, is therefore both equivalent to access control entity, is also equivalent to policy execution entity; Policy Controller is equivalent to transmission policy server, in the present embodiment for generating strategy and charging control rule.Wherein, being with embodiment two difference, is determined whether to adopt local routing service for user provides by authentication server.This authentication server can specifically AAA (Authorization, Authentication and Accounting, authorize, authentication and charging) server, or Dynamic Host Configuration Protocol server etc.
Step 401, UE initiates to connect the message connected to BRAS, and the mark comprising this UE is in the message set up new IP with the request that indicates and is connected, and BRAS receives this message.
Step 402, is subject to the triggering of above-mentioned message, and BRAS initiates authentication or address assignment request message to authentication server, comprises the mark of UE in this request message.
Step 403, authentication server according to routing decision information such as the association of the mark of this UE corresponding local routing strategy of described UE, the subscription data of user, and when determine according to this routing decision information provide local routing to serve for UE.
Above-mentioned specifically determine the content of local service can refer to the step 302 of embodiment two under example.
Step 404, authentication server sends authentication or IP address assignment response message to BRAS, and in this response message, is designated as this UE provides local routing service.
Following step 405 to the content of step 407 can refer to step 303 in embodiment two and, to step 305, is not repeated herein.
In the present embodiment, above-mentioned Policy controller also can replace with PCRF entity, and concrete implementation is not repeated herein.
The method that the present embodiment provides provides when containing authentication server, is the scheme that implementation strategy when user provides local routing to serve and charging control, and can ensure as user provides normal QoS service, and charging controls.
Embodiment four
The implementation method that the concrete composition graphs of the present embodiment 8 provides a kind of strategy and charging to control.Fig. 8 is mainly applicable to the fixed network access EPC scene of TISPAN definition.In this scenario, NASS entity has the function of UE access network, can be equivalent to a kind of access control entity, and RCEF has the function of implementation strategy and charging control rule, therefore can regard a kind of policy execution entity as; RACS is equivalent to transmission policy server in the present embodiment, for generating strategy and charging control rule.
Step 501, UE initiates to connect the message connected to NASS, and the mark comprising this UE is in the message set up new IP with the request that indicates and is connected, and NASS receives this message.
Wherein, this message can be PPP connection establishment request message, DHCP request message, any one in Attach Request message or PDN connection establishment request message etc.
Step 502, be subject to the triggering of above-mentioned message, NASS entity according to routing decision information such as the association of the mark of this UE corresponding local routing strategy of described UE, the subscription data of user, and when NASS entity according to this routing decision information determine provide local routing to serve for UE.
The concrete deterministic process of NASS entity can refer to BRAS example in embodiment two step 302.
Step 503, NASS entity is initiated access parameter to RACS entity and is transmitted request message, comprises the instruction providing local routing to serve in this request message.
Step 504, RACS entity receives this access parameter and transmits request message, under this instruction, formulates the strategy and charging control rule that are used for local routing service according to control law decision information.
Embodiment can refer to the example of Policy Controller in embodiment two step 304.
Step 505, the strategy of the local routing service determined and charging control rule are sent to RCEF by policy control rule installation request message and perform by RACS entity.
In the present embodiment, above-mentioned RACS entity also can be replaced with PCRF entity, and concrete implementation is not repeated herein.
The method that the present embodiment provides, under the fixed network that TISPAN defines accesses EPC scene, by making RCEF get strategy and the technological means of charging control rule, achieves the effect that implementation strategy and charging control when providing local routing to serve for user.
Embodiment five
The implementation method that the concrete composition graphs of the present embodiment 9 provides a kind of strategy and charging to control.Fig. 9 is mainly applicable to the fixed network access EPC scene of BBF definition, and the strategic server of Access Network (i.e. Policy Controller, be mainly fixed network service) dispose with the strategic server (namely PCRF entity, is mainly mobile network service) of EPC is independent.In this scenario, BRAS has the function by the function of UE access network and implementation strategy and charging control rule, is therefore both equivalent to access control entity, is also equivalent to policy execution entity; In the present embodiment, although there are two strategic servers (i.e. Policy Controller and PCRF entity) simultaneously, but, because Policy Controller is mainly used in the instruction of local routing to be forwarded to PCRF entity, therefore, the transmission policy server in the present embodiment is equivalent to; Strategy is then performed by PCRF entity with the formulation of charging control rule.
Step 601, UE initiates to connect the message connected to BRAS, and the mark comprising this UE is in the message set up new IP with the request that indicates and is connected, and BRAS receives this message.
Step 602, be subject to the triggering of above-mentioned message, BRAS according to routing decision information such as the association of the mark of this UE corresponding local routing strategy of described UE, the subscription data of user, and when determine according to this routing decision information provide local routing to serve for UE.
Step 603, BRAS sets up request message one to Policy Controller initiation policy control session, and comprising instruction in this request message provides local routing service.
Step 604, Policy Controller sets up request message two to PCRF entity sending strategy control session, comprises the instruction providing local routing to serve in this request message.
Wherein, this step also can adopt the indicating mode of implicit expression, such as: Policy Controller controls the IP-CAN session establishment request message in session by sending strategy, and representative request provides local routing service; Or the gateway control session that Policy Controller is controlled in session by sending strategy sets up request message, representative request provides local route service.
Step 605, PCRF entity receive this policy control session set up request message two after, under instruction in the message, according to control law decision information formulate be used for local routing service strategy and charging control rule.
Step 606, PCRF entity sets up response message two by policy control session, sends the strategy of local routing service and charging control rule to Policy Controller;
Step 607, after Policy Controller receives this above-mentioned response message, is sent to BRAS by the strategy of local routing service and charging control rule is performed by the response message one of setting up of policy control session.
The fixed network access EPC that the method that the present embodiment provides defines at BBF, and under the strategic server of the strategic server of Access Network and the EPC scene of independently disposing, getting strategy and the technological means of charging control rule by BRAS, achieving the effect that implementation strategy and charging control when providing local routing to serve for user.
Embodiment six
The present embodiment is specifically in conjunction with the implementation method that Figure 10 provides a kind of strategy and charging to control.Figure 10 is mainly applicable to the fixed network access EPC scene of TISPAN definition, and the strategic server of Access Network (i.e. RACS entity, be mainly user's service of fixed network) dispose with the strategic server (i.e. PCRF entity is mainly user's service of mobile network) of EPC is independent.In this scenario, NASS entity has the function of UE access network, can be equivalent to a kind of access control entity; RCEF has the function of implementation strategy and charging control rule, therefore can regard a kind of policy execution entity as; In the present embodiment, although there are two strategic servers (i.e. RACS entity and PCRF entity) simultaneously, but, because RACS entity is mainly used in the instruction of local routing to be forwarded to PCRF entity, be therefore equivalent to the transmission policy server in the present embodiment; Generate strategy and then to be performed by PCRF entity with the function of charging control rule.
Step 701 can with step 501 in above-described embodiment four to 503 to step 703.
Step 704, RACS entity receives this access parameter and transmits after request message, is triggered, and that initiates policy control session to PCRF entity sets up request message, comprises the instruction providing local routing to serve in request message.
Wherein, this step also can adopt the indicating mode of implicit expression, such as: Policy Controller is by sending IP-CAN session establishment request message, and representative request provides local routing service; Or Policy Controller sets up request message by sending gateway control session, representative request provides local route service.
Step 705, after PCRF entity receives this request message, formulates the strategy and charging control rule that are used for local routing service according to control law decision information.
Concrete formulation can refer to the example of Policy Controller in embodiment two step 304 for the strategy of local routing service and the process of charging control rule.
Step 706, PCRF entity by policy control session set up response message send local routing service strategy and charging control rule to RACS entity.
Step 707, the strategy of local routing service and charging control rule are sent to RCEF by policy control rule installation request message and perform by RACS entity.
The fixed network access EPC that the method that the present embodiment provides defines at TISPAN, and under the strategic server of the strategic server of Access Network and the EPC scene of independently disposing, by making RCEF get strategy and the technological means of charging control rule, achieve the effect that implementation strategy and charging control when providing local routing to serve for user.
Embodiment seven
The present embodiment is specifically in conjunction with the implementation method that Figure 11 provides a kind of strategy and charging to control.Figure 11 is mainly applicable to the fixed network access EPC scene of BBF definition, and the strategic server of Access Network (i.e. Policy Controller, be mainly user's service of fixed network) dispose with the strategic server (i.e. PCRF entity is mainly user's service of mobile network) of EPC is independent.In this scenario, BRAS has the function by the function of UE access network and implementation strategy and charging control rule, is therefore both equivalent to access control entity, is also equivalent to policy execution entity; Identical with embodiment five, in the present embodiment, although there are two strategic servers (i.e. Policy Controller and PCRF entity) simultaneously, but, because Policy Controller is mainly used in the instruction of local routing to be forwarded to PCRF entity, therefore, the transmission policy server in the present embodiment is equivalent to; Generate strategy and then to be performed by PCRF entity with the function of charging control rule.As shown in Figure 11, the difference of the present embodiment and embodiment five is, in application process, if having AF entity to send service resources request time, concrete processing mode is as follows.
Step 801 to step 804 to can refer in embodiment five step 601 to step 604.
Step 805, PCRF entity receives the service resources request message from AF, includes the mark of the UE of request in this request message, and service resources solicited message.
The particular content of this service resources solicited message can be same as the prior art, comprises the type of service of request, bandwidth, coded system etc.Such as: ask as this UE provides video business, bandwidth requirement 1,000,000 etc.
Step 806, PCRF entity formulates the strategy and charging control rule that are used for local routing service according to described service resources solicited message.
When PCRF entity formulates strategy and the charging control rule of local routing service in above-mentioned steps 806, also need the resource request information referring again to AF.Formulation process after concrete reference and mode same as the prior art, be not repeated herein.
Step 807, PCRF entity installs request message one by policy control rule, and the strategy of transmission local routing service and charging control rule are to Policy Controller;
Step 808, after Policy Controller receives this above-mentioned request message one, installs the strategy of request message two local routing service and charging control rule by policy control rule and is sent to BRAS and performs.
Certainly, may also need the mark that UE is provided in this step 807 and step 808 process, can know to make BRAS this strategy and charging control rule are applied to which UE.
The method that the present embodiment provides is applicable to the fixed network access EPC in BBF definition, and under the strategic server of the strategic server of Access Network and the EPC scene of independently disposing, when receiving the service resources request from AF entity, getting strategy and the technological means of charging control rule by BRAS, achieving the effect that implementation strategy and charging control when providing local routing to serve for user.
Embodiment eight
The present embodiment is specifically in conjunction with the implementation method that Figure 12 provides a kind of strategy and charging to control.Figure 12 is mainly applicable to the fixed network access EPC scene of BBF definition.In this scenario, BRAS has the function by the function of UE access network and implementation strategy and charging control rule, is therefore both equivalent to access control entity, is also equivalent to policy execution entity; Policy Controller is transmission policy server in the present embodiment, for generating strategy and charging control rule.
Step 901, with embodiment two step 301.
Step 902, be subject to the triggering of above-mentioned message, BRAS according to routing decision information such as mark the association corresponding local routing strategy of described UE, the subscription data of user of this UE, and determines needs simultaneously for this UE provides local routing service and local route service according to this routing decision information.
Such as: BRAS is associated with subscription data and the local routing strategy of the user of this UE according to the mark of this UE, point out that this UE is fixed network user in the subscription data of this user, and require to make a phone call by fixed network and surf the Net; The user surfed the Net by fixed network is pointed out in this local routing strategy, for it provides local routing service, by the user that fixed network is made a phone call, in order to keep good continuity, for it provides local route service, if namely surfed the Net by fixed network, also made a phone call by fixed network, then simultaneously for it provides local routing service and and local route service.
Step 903, BRAS sets up request message one to Policy Controller initiation policy control session, comprises the instruction providing local route service in request message.
Wherein, this step also can adopt the indicating mode of implicit expression, such as: BRAS is by sending IP-CAN session establishment request message, and local routing service is asked in representative; BRAS sets up request message by transmission gateway control session, representative request local route service.
Step 904, Policy Controller formulates the strategy and charging control rule that are used for local route service according to control law decision information.
Concrete generating strategy can with the strategy of local route in prior art and the process of charging control rule with the process of charging control rule.
Step 905, Policy Controller sets up response message one by policy control session, and the strategy and the charging control rule that send local route service perform to BRAS.
Step 906 to step 908 can refer to embodiment two step 303 to step 305, its main difference part is, BRAS to Policy Controller send be policy control session set up request message two, and obtain be policy control session set up response message two.
It should be noted that: in the present embodiment, step 903 is to step 905 and step 906 to step 908 when performing, there is no sequencing and retrains, even can occur simultaneously.Further, the Policy controller in the present embodiment also can replace with PCRF entity, repeats no more herein.
Embodiment nine
The present embodiment is specifically in conjunction with the implementation method that Figure 13 provides a kind of strategy and charging to control.Figure 13 is mainly applicable to the fixed network access EPC scene of TISPAN definition, and the strategic server of Access Network (i.e. RACS entity, be mainly user's service of fixed network) dispose with the strategic server (i.e. PCRF entity is mainly user's service of mobile network) of EPC is independent.In this scenario, NASS entity has the function of UE access network, can be equivalent to a kind of access control entity; RCEF has the function of implementation strategy and charging control rule, therefore can regard a kind of policy execution entity as; Identical with embodiment six, in the present embodiment, although there are two strategic servers (i.e. RACS entity and PCRF entity) simultaneously, but, because RACS entity is mainly used in the instruction of local routing to be forwarded to PCRF entity, therefore be equivalent to the transmission policy server in the present invention, generating strategy then is performed by PCRF entity with the function of charging control rule.As shown in Figure 13, the main difference part of the present embodiment and embodiment six is, describes executive mode concrete when determining at the same time to need to provide local route service.
Step 1001, with step 501.
Step 1002, be subject to the triggering of above-mentioned message, NASS entity according to routing decision information such as mark the association corresponding local routing strategy of described UE, the subscription data of user of this UE, and determines needs simultaneously for this UE provides local routing service and local route service according to this routing decision information.
The process specifically determined can refer to the example of above-mentioned steps 902.
Step 1003, NASS entity sends access parameter pass-along message to RACS entity, comprises the instruction simultaneously providing local routing service and local route service in message.
Step 1004, RACS entity sets up request message one to PCRF entity initiation policy control session.Particular content can refer to above-mentioned steps 903.
Step 1005, PCRF entity formulates the strategy and charging control rule that are used for local route service according to control law decision information.
Concrete generating strategy can with the strategy of local route in prior art and the process of charging control rule with the process of charging control rule.
Step 1006, PCRF entity sets up response message one by policy control session, send be used for local route service strategy and charging control rule to RACS entity.
Step 1007, RACS entity installs request message one by policy control rule, sends this strategy for local route service and charging control rule performs to RCEF.
Step 1008, RACS entity sets up request message two to PCRF entity initiation policy control session, comprises the instruction providing local routing to serve in request message.
This step also can adopt the indicating mode of implicit expression, and such as: the request message two of setting up of this policy control session is specially IP-CAN conversation request message, then RCAS is by sending IP-CAN session establishment request message, the service of representative request local routing.
Step 1009, with step 605 in embodiment five.
Step 1010, PCRF entity sets up response message two by policy control session, sends the strategy of local routing service and charging control rule to RACS entity.
Step 1011, after RACS entity receives this response message, by policy control rule installation request two, is sent to RCEF by the strategy of local routing service and charging control rule and performs.
It should be noted that: in the present embodiment, step 1003-1007 and step 1008-1011 retrains without sequencing, even can occur simultaneously; In addition, the Different Strategies control law that step 1007 and step 1011 can belong between RACS entity and RCEF installs request message, or same policy control rule installs request message, does not limit herein.Step 1004 and step 1008 can be the requests of the different sub-session in same policy control session, also can be independently two policy control sessions.
The embodiment of the present invention combine need simultaneously for user local route and local routing be provided when, propose a kind of by strategy and the method for charging control rule, achieve access control entity for user provide local routing to serve time, the technique effect that carrying out strategy that cannot be correct controls with charging.
Embodiment ten
The present embodiment provides a kind of strategic server, and this policy service can be specially Policy controller according to the deployment scenario of network, or RACS entity, or PCRF entity etc.As shown in figure 14, comprising: acquiring unit 10, formulate unit 20, transmitting element 30.
Acquiring unit 10, for obtaining the session establishment request from access control entity, comprises the instruction providing local routing to serve in described session establishment request; Formulate unit 20, under the instruction that gets at acquiring unit 10, formulate the strategy and charging control rule that are used for local routing service according to control law decision information; Transmitting element 30, performs for the strategy and charging control rule of formulating the described local routing service that unit 20 is formulated are sent to policy execution entity.
Wherein, when the session establishment request packet that described acquiring unit 10 gets is containing when providing the instruction of local route service; Correspondingly, described formulation unit 20, also for formulating the strategy and charging control rule that are used for local route service according to control law decision information; Transmitting element 30, also applies and the strategy of described local route service and charging control rule are sent to policy execution entity perform.
The strategic server that the present embodiment provides can according to the instruction of local routing service, formulate corresponding strategy and charging control rule, and the policy execution entity rule of this formulation sent performs, and then achieve when local routing is without PGW, be embodied as the technique effect of strategy that user provides local routing to serve and charging control rule.
Embodiment 11
The present embodiment provides a kind of access control entity, and this access control entity is different according to the scene of network design, can be specially: BRAS, NASS entity etc.As shown in figure 15, comprising: receiving element 40, route determining unit 50, transmitting element 60.
Receiving element 40, the message that the request for receiving from UE connects, the message that described request connects indicates request and sets up new IP and connect, and the message that described request connects comprises the mark of subscriber equipment; Route determining unit 50, provides local routing service for being defined as described UE according to described mark; Transmitting element 60, for sending session establishment request to transmission policy server, comprises the instruction providing local routing to serve drawn according to the determination result of route determining unit 50 in described session establishment request.
Wherein, in another embodiment of the present invention, as shown in figure 16, route determining unit 50 comprises this access control entity: the first acquisition module 501, and/or second acquisition unit 502.
Wherein, the first acquisition module 501, for the routing decision information of the subscriber equipment according to described customer equipment identification association correspondence, is defined as described subscriber equipment according to described routing decision information and provides local routing service;
Second acquisition unit 502, for sending authentication or the address assignment request message of carrying described customer equipment identification to authentication server, and be defined as described subscriber equipment by the authentication that returns or address assignment response message local routing service is provided, described authentication or address assignment request message provide local routing service for asking described authentication server to be defined as described subscriber equipment according to the routing decision information of subscriber equipment corresponding to described customer equipment identification.
In addition in the present embodiment, as shown in figure 16, route determining unit 50 also for: be simultaneously defined as described UE according to described routing decision information and local route service be provided.Correspondingly,
Transmitting element 60 comprises: send subelement 6001.Send subelement 6001, for described route determining unit 50 according to described mark be defined as simultaneously described subscriber equipment local routing service and local route service be provided time, transmission policy server is arrived in the first son request sent in session establishment request, comprises the instruction providing local routing to serve in described first son request; And the second son request sent in session establishment request is to transmission policy server, in described second son request, comprise the instruction that local route service is provided; Or,
Transmitting element 60, also for described route determining unit 50 according to described mark be defined as simultaneously described subscriber equipment local routing service and local route service be provided time, send session establishment request two to transmission policy server, in described session establishment request two, comprise the instruction that local route service is provided.
Namely access control entity in the present embodiment can be used as NASS entity and uses, and also can be used as BRAS and uses, but especially, when as BRAS, also comprise: performance element 30.
Performance element 30, for define at BBF fixed network access EPC scene time, after transmitting element 60 sends session establishment request to transmission policy server, receives and perform transmission policy server transmission local routing serve strategy and charging control rule.
The access control entity that the present embodiment provides provides the technological means of local routing mode by instruction in the session request being sent to transmission policy server, transmission policy server can be convenient to and know that the business data flow of user is without PGW according to this instruction, take accordingly and formulate the strategy and charging control rule that are applicable to local routing, thus being embodied as the technique effect that user provides the strategy under local routing and charging to control.
Embodiment 12
What the present embodiment provided a kind of strategy and charging to control realizes system, and as shown in figure 17, this system comprises: access control entity 70, transmission policy server 80, policy execution entity 90.
Wherein, access control entity 70, for sending session establishment request to transmission policy server 80, comprise the instruction providing local routing to serve in described session establishment request, described access control entity 70 comprises BRAS or NASS;
Policy execution entity 90, for receiving strategy and the charging control rule of the local routing service that transmission policy server 80 sends.
Wherein, transmission policy server 80, for formulating strategy and the charging control rule of local routing service according to control law decision information; Or,
Transmission policy server, for controlling session establishment request to PCRF entity sending strategy, receives strategy and the charging control rule of the local routing service that described PCRF entity is formulated according to control law decision information.
It should be noted that, under some scene, access control entity 70 and policy execution entity 90 realize by a concrete equipment or device.Such as: under the fixed network access EPC scene of BBF definition, access control entity 70 all has BRAS to realize with the function of policy execution entity 90.
The system that the present embodiment provides, under the mode of local routing, provide a kind of without the need to associating corresponding IP-CAN session, also participating in without the need to PGW just can strategy and the acquisition scheme of charging control rule, achieve when without PGW, still can be the local routing service that user provides QoS control and service traffics charging.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add required general hardware platform by software and realize, hardware can certainly be passed through, but in a lot of situation, the former is better execution mode.Based on such understanding, technical scheme of the present invention can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product is stored in the storage medium that can read, as the floppy disk of computer, hard disk or CD etc., comprise some instructions and perform method described in each embodiment of the present invention in order to make an equipment.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with the protection range of claim.
Claims (20)
1. an implementation method for strategy and charging, is characterized in that, comprising:
Access control entity sends session establishment request to transmission policy server, comprises the instruction providing local routing to serve in described session establishment request; Described local routing, refers to that the data flow of user is without packet data network gateway PGW, and is directly access in gateway and is forwarded to external network; Described transmission policy server is used for generating strategy and charging control rule;
Policy execution entity receives strategy and the charging control rule of the local routing service that described transmission policy server is sent by policy control session response message.
2. method according to claim 1, it is characterized in that, before the strategy receiving the local routing service that described transmission policy server sent by policy control session response message in described policy execution entity and charging control rule, described method also comprises:
Transmission policy server formulates strategy and the charging control rule of local routing service according to control law decision information.
3. method according to claim 2, is characterized in that, described control law decision information comprises: local control strategy; Or described control law decision information, except comprising local control strategy, also comprises following at least one:
The subscription data of user;
The service resources solicited message of application level function entity.
4. method according to claim 1, is characterized in that, before access control entity sends session establishment request to transmission policy server, described method also comprises:
Access control entity receives the message connected from the request of subscriber equipment, and the message that described request connects indicates request and sets up new IP and connect, and the message that described request connects comprises customer equipment identification.
5. method according to claim 4, is characterized in that, after access control entity receives the message connected from the request of subscriber equipment, described method also comprises:
Access control entity, according to the routing decision information of the subscriber equipment of described customer equipment identification association correspondence, is defined as described subscriber equipment according to described routing decision information and provides local routing service; Or,
Access control entity sends to authentication server and carries authentication or the address assignment request message of described customer equipment identification, asks described authentication server to be defined as described subscriber equipment according to the routing decision information of subscriber equipment corresponding to described customer equipment identification and provides local routing service.
6. method according to claim 1, is characterized in that, described session establishment request packet is drawn together:
Policy control session sets up request message, and described policy control session is set up request message and at least comprised: IP-Connectivity Access Network network conversation message, or S9 conversation message.
7., according to the arbitrary described method of claim 1-6, it is characterized in that, get the session establishment request one from described access control entity, when comprising the instruction providing local route service in described session establishment request one, the method also comprises:
Strategy and the charging control rule of local route service is formulated according to control law decision information;
The strategy of described local route service and charging control rule are sent to policy execution entity perform.
8., according to the arbitrary described method of claim 1-7, it is characterized in that,
Described access control entity and described policy execution entity are realized by an equipment.
9. method according to claim 8, is characterized in that, described equipment comprises Broadband Remote Access Server BRAS, and described IAD comprises described Broadband Remote Access Server.
10. an equipment, is characterized in that, comprising:
For sending the unit of session establishment request to transmission policy server, the instruction providing local routing to serve is comprised in described session establishment request, described local routing, refer to that the data flow of user is without packet data network gateway PGW, and be directly access in gateway and be forwarded to external network, described transmission policy server is used for generating strategy and charging control rule;
For receiving the strategy of local routing service and the unit of charging control rule that transmission policy server sent by policy control session response message.
11. equipment according to claim 8, is characterized in that, also comprise:
For the unit of the message that the request received from subscriber equipment connects, the message that described request connects indicates request and sets up new IP and connect, and the message that described request connects comprises customer equipment identification.
12. equipment according to claim 11, is characterized in that, also comprise:
According to the routing decision information of subscriber equipment corresponding to described customer equipment identification association, be defined as according to described routing decision information the unit that described subscriber equipment provides local routing to serve; Or
Carrying authentication or the address assignment request message of described customer equipment identification for sending to authentication server, asking described authentication server to be defined as according to the routing decision information of subscriber equipment corresponding to described customer equipment identification the unit that described subscriber equipment provides local routing to serve.
13., according to claim 10 to the equipment described in 12 any one, is characterized in that, this equipment also comprises:
For define at Broadband Forum BBF fixed network access evolution block core net EPC scene time, receive and perform the strategy and the unit of charging control rule that local routing that transmission policy server sends serves.
14., according to claim 10 to the equipment described in 13 any one, is characterized in that, described equipment comprises Broadband Remote Access Server, and described IAD comprises described Broadband Remote Access Server.
15. 1 kinds of transmission policy servers, is characterized in that, comprising:
For obtaining the unit of the session establishment request from access control entity, the instruction providing local routing to serve is comprised in described session establishment request, described local routing, refers to that the data flow of user is without packet data network gateway PGW, and is directly access in gateway and is forwarded to external network;
For under the instruction got, formulate and be used for the strategy of local routing service and the unit of charging control rule; With
For the strategy of the described local routing service of formulating and charging control rule being sent to the unit of policy execution entity.
16. transmission policy servers according to claim 15, is characterized in that, described formulation is used for the strategy of local routing service and charging control rule specifically comprises:
Strategy and the charging control rule of local routing service is formulated according to control law decision information.
17. transmission policy servers according to claim 16, is characterized in that, described control law decision information comprises: local control strategy; Or described control law decision information, except comprising local control strategy, also comprises following at least one:
The subscription data of user;
The service resources solicited message of application level function entity.
18., according to claim 15 to the transmission policy server described in 17 any one, is characterized in that,
Described access control entity and described policy execution entity are realized by an equipment.
19. methods according to claim 18, it is characterized in that, described equipment comprises Broadband Remote Access Server BRAS, described IAD comprises described Broadband Remote Access Server.
What 20. 1 kinds of strategies and charging controlled realizes system, it is characterized in that, comprising:
The arbitrary described equipment of claim 10 to 14; With
The arbitrary described transmission policy server of claim 15 to 19.
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