CN104301124B - Implementation method, system and the relevant device of strategy and charging control - Google Patents
Implementation method, system and the relevant device of strategy and charging control Download PDFInfo
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Abstract
Present embodiments provide a kind of implementation method, system and the relevant device of strategy and charging control, belong to field of communication technology, it solves under evolution block core net scene in the prior art, when local routing service is provided, access control entity sends session establishment request to transmission policy server, comprising the instruction for providing local routing service in the session establishment request, the access control entity includes Broadband Remote Access Server or Network Attachment Subsystem；Policy execution entity receives the strategy and charging control rule for the local routing service that transmission policy server is sent.
Description
Technical field
The present invention relates to network communication field more particularly to a kind of implementation methods, system and phase of strategy and charging control
Answer equipment.
Background technology
In EPC (Evolved Packet Core, evolution block core net), PCRF entities (Policy Control
And Charging Rules Function, policy control and charging rule functions) entity, for according to user access network
Limitation, carrier policy, user contracting data and user's currently decisions such as ongoing business information are suitable for the use
The rule of the strategy and charging control at family, to realize corresponding to business data flow QoS (Quality of Service, clothes
Be engaged in 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) of service is provided, and be responsible for being forwarded customer traffic and
Filtering etc.；Non-3GPP IP Access (non-3 gpp IP accesses) are for the IP access ways in addition to 3GPP, as 3GPP2 connects
Enter, WiMAX (Worldwide Interoperability for Microwave Access, Worldwide Interoperability for Microwave access interoperability
Property) access etc., and can have the function of additional some mobile management etc..
It is TISPAN (Telecommunications and Internet Converged Services shown in Fig. 1
And Protocols for Advanced Networking, telecommunications and the Internet converged services and high-level network protocol) definition
Fixed network access EPC scene.It is the realization method of Non-3GPP IP Access under the scene in box.Fig. 1 Non-3GPP
NASS (Network Attachment Sub-System, Network Attachment Subsystem) entity in IP Access, for being UE
(User Equipment, user equipment) distributes IP address；RACS entities (Resource and Admission Control
Subsystem, resource admission control subsystem), for the establishment strategy control session between PCRF entities, and from PCRF entities
Acquisition strategy and charging control rule, to realize to RCEF (Resource Control Enforcement Function,
Resources control execute entity, be equivalent to AGW) QoS control.It, can be without RACS entities when being controlled using Unified Policy.
It is the scene for the fixed network access EPC that BBF (Broadband Forum, Broadband Forum) is defined shown in Fig. 2.In box
It is the realization method of Non-3GPP IP Access under the scene.BRAS (Broadband in Non-3GPP IP Access
Remote Access Server, Broadband Remote Access Server), for distributing IP address, Policy Controller for UE
(strategy controller), between PCRF entities establishment strategy control session, and from acquisition strategy from PCRF entities and charging control
System rule, to realize that the QoS to BRAS (being equivalent to AGW) is controlled.When being controlled using Unified Policy, Ke Yiwu
PolicyController。
Under above two scene, when UE access EPC, EPC can provide two kinds of routing modes for UE：Local is route and this
Ground routing (also referred to as local collision).Local is route, as shown in figure 3, referring to that the data flow of user is forwarded to PGW by AGW, is passed through
PGW is communicated with external network.Local routing, as shown in figure 4, refer to user data flow without PGW, but directly quilt
AGW is forwarded to external network.
In the prior art, mainly in the following way to the strategy of UE and the realization of charging：The IP connections that AGW receives UE are built
When vertical request, gateway control session is established between meeting and PCRF entities, and initiate the binding update messages of proxy-mobile IP to PGW；
PGW establishes IP-CAN (IP Connectivity Access Network, IP after receiving binding update messages between PCRF entities
Connectivity accesses network) session；PCRF entities are according to information such as the mark of UE, the marks of packet data network by gateway control meeting
Words are got up with IP-CAN session associations, when PCRF entities receive AF (Application Function, application level function) entity
When the service resources request sent, matching IP-CAN sessions are found, generates strategy and charging control rule, PCRF is real
Body transmits policy control rule therein by gateway control session and is controlled for QoS to AGW, and being transmitted by IP-CAN sessions should
Strategy, to PGW, is used for QoS controls and charging control with charging control rule.
During stating in realization, inventor has found that the prior art at least has the disadvantage that：When AGW provides local for UE
When routing mode, data flow is no longer pass through PGW；Also, since data flow is no longer pass through PGW, charging control rule can not be also obtained
Then to realize the charging control of business.I.e.：It needs to will be unable to realize by the PGW strategies realized and the scheme of charging control.
Invention content
The embodiment of the present invention provides a kind of implementation method, system and the relevant device of strategy and charging control, realizes
The control of strategy and charging when providing the service of local routing to the user.
A kind of implementation method of strategy and charging control, including：
Access control entity sends session establishment request to transmission policy server, includes to carry in the session establishment request
For the instruction of local routing service；The local routing, refer to user data flow without packet data network gateway PGW, and
Direct accessed network pass is forwarded to external network；The transmission policy server is used to generate strategy and charging control rule；
Policy execution entity receives the local that the transmission policy server is sent by policy control session response message
The strategy and charging control rule of route service.
A kind of equipment, including：
For sending the unit that session establishment is asked to transmission policy server, include offer in the session establishment request
The instruction of local routing service, the local routing, refer to user data flow without packet data network gateway PGW, and it is straight
It connects accessed network pass and is forwarded to external network, the transmission policy server is used to generate strategy and charging control rule；
Plan for receiving the local routing service that transmission policy server is sent by policy control session response message
Slightly with the unit of charging control rule.
A kind of transmission policy server, including：
Unit for obtaining the session establishment request from access control entity includes to carry in the session establishment request
For the instruction of local routing service, the local routing, refer to user data flow without packet data network gateway PGW, and
Direct accessed network pass is forwarded to external network；
Unit under the instruction got, formulating strategy and charging control rule for local routing service；
With
For the strategy for the local routing service formulated to be sent to policy execution entity with charging control rule
Unit.
A kind of realization system of strategy and charging control, including：Above equipment and transmission policy server.
Scheme provided in this embodiment provides the technology of local routing service instruction by being carried in being asked in session establishment
The strategy of local routing service is sent to strategy by means according to the instruction convenient for transmission policy server with charging control rule
Entity is executed, and then under the mode of local routing, provides one kind without being associated with corresponding IP-CAN sessions, without PGW
Participate in can acquisition strategy and charging control rule method, realize in the case of no PGW, can still provide QoS to the user
The local routing service of control and service traffics charging.
Description of the drawings
Fig. 1 is that the fixed network that TISPAN is defined in background technology accesses the schematic diagram of a scenario of EPC；
Fig. 2 is that the fixed network that BBF is defined in background technology accesses the schematic diagram of a scenario of EPC；
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 implementation method flow diagram of the strategy and charging control rule of the embodiment of the present invention one；
Fig. 6 is the implementation method schematic diagram of the strategy and charging control rule under two scene of the embodiment of the present invention；
Fig. 7 is the implementation method schematic diagram of the strategy and charging control rule under three scene of the embodiment of the present invention；
Fig. 8 is the implementation method schematic diagram of the strategy and charging control rule under four scene of the embodiment of the present invention；
Fig. 9 is the implementation method schematic diagram of the strategy and charging control rule under five scene of the embodiment of the present invention；
Figure 10 is the implementation method schematic diagram of the strategy and charging control rule under six scene of the embodiment of the present invention；
Figure 11 is the implementation method schematic diagram of the strategy and charging control rule under seven scene of the embodiment of the present invention；
Figure 12 is the implementation method schematic diagram of the strategy and charging control rule under eight scene of the embodiment of the present invention；
Figure 13 is the implementation method schematic diagram of the strategy and charging control rule under nine scene of the embodiment of the present invention；
Figure 14 is the structural schematic diagram of the strategic server of the embodiment of the present invention ten；
Figure 15 is the structural schematic diagram of the access control entity of the embodiment of the present invention 11；
Figure 16 is the structural schematic diagram of another access control entity of the embodiment of the present invention 11；
Figure 17 is the schematic diagram of the strategy and the realization system of charging control rule of the embodiment of the present invention 12.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
When AGW provides local routing mode for UE, data flow is no longer pass through PGW, and PGW will not be established with PCRF entities
IP-CAN sessions, then, when receiving the service resources request that AF entities are sent, PCRF entities can not be also associated with effectively
In IP-CAN sessions, cause PCRF entities that can not formulate the strategy and charging control rule of the user, AGW can not get strategy
Control rule is to realize QoS controls.Also, since data flow is no longer pass through PGW, can not also obtain charging control rule to
The charging control of realization business.
Embodiment one
The present embodiment provides a kind of implementation methods of strategy and charging control rule, as shown in figure 5, this method is mainly wrapped
It includes：
Step 101, access control entity sends session establishment request, the session establishment request to transmission policy server
In comprising provide local routing service instruction, the access control entity includes BRAS or NASS；
Step 102, policy execution entity receives strategy and the charging for the local routing service that transmission policy server is sent
Control rule.
It should be noted that：Strategy and the charging control rule being previously mentioned in the present embodiment and following embodiments can be with
Only include policy control rule, can also only include charging control rule, or includes strategy and charging control rule simultaneously.
The decision that method provided in this embodiment is determined to provide for local routing service by session establishment request carrying is logical
Know transmission policy server, transmission policy service can be convenient for avoid transmitting using the execution method of corresponding local routing mode
Strategic server carries out caused by without instruction according to existing way, the IP-CAN sessions of mistake is associated with, to issue mistake
Accidentally strategy with charging control rule the technical issues of, meanwhile, also allow for provide to the user local routing service when, strategy and
The realization of charging control.
Embodiment two
The present embodiment specifically combines Fig. 6 to provide a kind of implementation method of strategy and charging control.Fig. 6 is primarily adapted for use in BBF
The fixed network of definition accesses EPC scenes.In this scenario, BRAS has the function of UE access network and implementation strategy and charging control
The function of rule is made, therefore is both equivalent to access control entity, also corresponds to policy execution entity；Policy Controller
(strategy controller) is equivalent to transmission policy server, is used to generate strategy and charging control rule in the present embodiment.
Step 301, UE to BRAS initiate connect establish connection message, in the message include the UE mark and indicate request
New IP connections are established, BRAS receives the message.
Wherein, the message is PPP (Point to Point Protocol points in the present embodiment and following embodiments
To an agreement) it connects and establishes request message, DHCP (match by Dynamic Host Configuration Protocol, DynamicHost
Set agreement) request message, Attach Request message, PDN (Packet Date Network, packet data network) connections foundation ask
Seek message etc.；The mark of the UE can be IMSI (International Mobile Subscriber Identity, the state of UE
Border mobile user identification), the user name of UE, IP address, tie-in line mark, logic interfacing mark etc., do not do considered critical herein.
Step 302, it is triggered by above-mentioned message, BRAS corresponds to the local routing of the UE according to the mark association of the UE
The routing decisions information such as tactful, user subscription data, and determine to provide originally for UE according to the routing decision information in BRAS
In the case of ground route service.
Such as：BRAS is associated with the subscription data and local routing strategy of the user of the UE, the use according to the mark of the UE
Point out that the UE is to point out that fixed network user uses local routing side in fixed network user and local routing strategy in the subscription data at family
Formula, therefore BRAS is determined as the 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 the locals BRAS
On, therefore, BRAS can directly utilize the subscription data of the user of this ground.But in fact, being disposed or being planned not according to network
Together, the subscription data of the user can not also be in the locals BRAS, but are present in other equipment, only need to hand over by signaling at this time
The subscription data of user is mutually got from the other equipment.
Step 303, BRAS initiates policy control session to Policy Controller and establishes request message, and is asking
It is middle to carry the instruction that local routing service is provided.
Wherein, it includes many that above-mentioned policy control session, which establishes request message,.Such as：IP-CAN conversation messages, S9 sessions
Message etc..It is also such that the policy control session mentioned in following embodiments establishes request.
Optionally, in the present embodiment and following embodiments, access control entity includes to what strategic server was sent
The mark of UE can be included in the session establishment request message of offer local routing service instruction is when the mark comprising UE
For the ease of indicating which specific UE the local routing services of request is applied particularly to.
Step 304, Policy Controller are received after the policy control session establishes request message, in the request
Under the instruction that local routing service is provided in message, the strategy for local routing service is formulated according to control rule decision information
With charging control rule.
In the present embodiment and following embodiments, which refers mainly to local control strategy, may be used also
To include：The subscription data of user, the service resources solicited message of AF (Application Function, application level function)
Deng.
Such as：It is provided in local control strategy：It asks to distribute 2,000,000 bandwidth, non-local routing service when local route service
When distribute 1,000,000 bandwidth, without user distinguish.Therefore, when only needing according to local control strategy formulate be used for local routing
Service strategy with charging control rule when, Policy Controller strategically in regulation distribute 2,000,000 bandwidth.
In another example including the mark of UE in session establishment request, at this time in the strategy for formulating local routing service and control
, can be with reference to the user contracting data of local control strategy and the UE when charging regulation processed, detailed process is as follows：Policy
Controller be associated with according to the mark of UE local control strategy and user subscription data (in the present embodiment, if with
It is local that the subscription data at family has been deployed in Policy Controller), the subscription data of the user of the UE indicates that the UE passes through
WiFi is accessed, and access bandwidth is 2,000,000, regulation WiFi (WirelessFidelity, Wireless Fidelity) in local control strategy
Access, and the UE that access bandwidth is 2,000,000 should strategically execute (strategy and charging control rule A tools with charging control rule A
Body can be：The QoS of the UE is WiFi, and bandwidth 2,000,000,0.50 yuan per minute of UE flows etc.).Because specifically according to local plan
The process of the subscription data of summary and user formulation corresponding strategy and charging control rule, existing application in the prior art, and
What one of ordinary skill in the art can be known easily, this will not be repeated here.
Step 305, Policy Controller establish response message by determining local routing by policy control session
Strategy and the charging control rule of service are sent to BRAS, are executed according to the rule by BRAS, including control QoS and according to stream
Amount carries out charging etc..
In the present embodiment, above-mentioned Policy controller can also use PCRF entities to replace, and specific implementation procedure exists
This is not repeated.
Method provided in this embodiment is under the fixed network access EPC scenes that BBF is defined, by making BRAS get plan
Slightly with the technological means of charging control rule, implementation strategy and charging control when providing local routing service to the user are realized
Effect.
Embodiment three
The present embodiment specifically provides a kind of realization side of strategy and charging control in conjunction with Fig. 7 scenes for introducing authentication server
Method, and be primarily adapted for use in the fixed network that BBF is defined in the scene and access EPC scenes.In this scenario, BRAS has UE access net
The function and implementation strategy of network and the function of charging control rule, therefore it is both equivalent to access control entity, also correspond to strategy
Execute entity；Policy Controller are equivalent to transmission policy server, are used to generate strategy and charging in the present embodiment
Control rule.Wherein, with embodiment two the difference is that, be to determine whether to provide to the user using local by authentication server
Route service.The authentication server can be specifically AAA (Authorization, Authentication and Accounting,
Authorize, authentication and charging) server or Dynamic Host Configuration Protocol server etc.
Step 401, UE to BRAS initiate connect establish connection message, in the message include the UE mark and indicate request
New IP connections are established, BRAS receives the message.
Step 402, it is triggered by above-mentioned message, BRAS initiates authentication to authentication server or address assignment request disappears
It ceases, the mark of UE is included in the request message.
Step 403, authentication server is according to the local routing strategy of the corresponding UE of mark association of the UE, the label of user
The about routing decisions information such as data, and the case where determining to provide local routing service for UE according to the routing decision information
Under.
The content of above-mentioned specific determining local service can refer to the example under the step 302 of embodiment two.
Step 404, authentication server sends authentication or IP address distributes response message to BRAS, and in the response message
In be designated as the UE provide local routing service.
The content of following step 405 to step 407 can refer to step 303 in embodiment two and not go to live in the household of one's in-laws on getting married herein to step 305
It states.
In the present embodiment, above-mentioned Policy controller can also use PCRF entities to replace, and specific implementation procedure exists
This is not repeated.
Method provided in this embodiment is provided containing authentication server, provides local routing clothes to the user
The scheme of implementation strategy and charging control when business, it is ensured that provide normal QoS service and charging control to the user.
Example IV
The present embodiment specifically combines Fig. 8 to provide a kind of implementation method of strategy and charging control.Fig. 8 is primarily adapted for use in
The fixed network that TISPAN is defined accesses EPC scenes.In this scenario, NASS entities have the function of UE access network, can be suitable
In a kind of access control entity, RCEF has the function of implementation strategy and charging control rule, therefore is considered as a kind of strategy
Execute entity；RACS is equivalent to transmission policy server in the present embodiment, for generating strategy and charging control rule.
Step 501, UE to NASS initiate connect establish connection message, in the message include the UE mark and indicate request
New IP connections are established, NASS receives the message.
Wherein, which can be that request message, DHCP request message, Attach Request message or PDN are established in PPP connections
Any one in request message etc. is established in connection.
Step 502, it is triggered by above-mentioned message, NASS entities correspond to the local of the UE according to the mark association of the UE
Routing policy, user the routing decisions information such as subscription data, and NASS entities according to the routing decision information determine for
In the case that UE provides local routing service.
The specific determination process of NASS entities can refer to BRAS examples in two step 302 of embodiment.
Step 503, NASS entities initiate access parameter to RACS entities and transmit request message, include to carry in the request message
For the instruction of local routing service.
Step 504, RACS entities receive the access parameter and transmit request message, under the instruction, according to control rule
Decision information formulates the strategy and charging control rule for local routing service.
Specific implementation mode can refer to the example of Policy Controller in two step 304 of embodiment.
Step 505, RACS entities by policy control rule mount request message by the plan of determining local routing service
RCEF execution is slightly sent to charging control rule.
In the present embodiment, above-mentioned RACS entities can also use PCRF entities to replace, and this will not be repeated here for specific implementation procedure.
Method provided in this embodiment is under the fixed network access EPC scenes that TISPAN is defined, by making RCEF obtain
To the technological means of strategy and charging control rule, implementation strategy and charging when providing local routing service to the user are realized
The effect of control.
Embodiment five
The present embodiment specifically combines Fig. 9 to provide a kind of implementation method of strategy and charging control.Fig. 9 is primarily adapted for use in BBF
The fixed network of definition accesses EPC scenes, and accesses strategic server (i.e. the Policy Controller, predominantly fixed network of net
Service) with the independent deployment of the strategic server (i.e. PCRF entities, predominantly mobile network service) of EPC.In this scenario, BRAS
With by the function of the function of UE access network and implementation strategy and charging control rule, therefore it is real to be both equivalent to access control
Body also corresponds to policy execution entity；In the present embodiment, although existing simultaneously two strategic server (i.e. Policy
Controller and PCRF entities), still, because Policy Controller are mainly used for forwarding the instruction of local routing
To PCRF entities, therefore, transmission policy server quite in this present embodiment；And the formulation of strategy and charging control rule is then
It is executed by PCRF entities.
Step 601, UE to BRAS initiate connect establish connection message, in the message include the UE mark and indicate request
New IP connections are established, BRAS receives the message.
Step 602, it is triggered by above-mentioned message, BRAS corresponds to the local routing of the UE according to the mark association of the UE
The routing decisions information such as tactful, user subscription data, and determine to provide local road for UE according to the routing decision information
In the case of servicing.
Step 603, BRAS establishes request message one to Policy Controller initiation policy control sessions, this is asked
It asks in message and provides local routing service comprising instruction.
Step 604, Policy Controller establish request message two to the control session of PCRF entity sending strategys,
Include the instruction that local routing service is provided in the request message.
Wherein, which can also be used implicit indicating mode, such as：Policy Controller pass through sending strategy
The IP-CAN session establishment request messages in session are controlled, request is represented and local routing service is provided；Or Policy
Controller controls the gateway control session in session by sending strategy and establishes request message, represents request and provides local road
By servicing.
Step 605, PCRF entities receive the policy control session establish request message two after, instruction in the message
Under, the strategy and charging control rule for local routing service are formulated according to control rule decision information.
Step 606, PCRF entities establish response message two by policy control session, send the plan of local routing service
Slightly with charging control rule to Policy Controller；
Step 607, after Policy Controller receive the above-mentioned response message, pass through the foundation of policy control session
The strategy of local routing service is sent to BRAS with charging control rule and executed by response message one.
The fixed network that method provided in this embodiment is defined in BBF accesses EPC, and access the strategic server of net with
Under the scene that the strategic server of EPC is independently disposed, the technological means of strategy and charging control rule is got by BRAS, it is real
The effect of implementation strategy and charging control when providing local routing service to the user is showed.
Embodiment six
The present embodiment specifically combines Figure 10 to provide a kind of implementation method of strategy and charging control.Figure 10 is primarily adapted for use in
Fixed network that TISPAN is defined accesses EPC scenes, and accesses strategic server (i.e. the RACS entities, predominantly fixed network of net
User service) with the independent deployment of the strategic server (i.e. PCRF entities, the predominantly user service of mobile network) of EPC.At this
In scene, NASS entities have the function of UE access network, can be equivalent to a kind of access control entity；RCEF, which has, executes plan
Slightly with the function of charging control rule, therefore it is considered as a kind of policy execution entity；In the present embodiment, although existing simultaneously
Two strategic servers (i.e. RACS entities and PCRF entities), still, because RACS entities are mainly used for the finger of local routing
Show and be forwarded to PCRF entities, therefore transmission policy server quite in this present embodiment；And it generates strategy and is advised with charging control
Function then is then executed by PCRF entities.
Step 701 to step 703 can be the same as step 501 in above-mentioned example IV to 503.
Step 704, it after RACS entities receive access parameter transmission request message, is triggered, is initiated to PCRF entities
Policy control session establishes request message, includes the instruction for providing local routing service in request message.
Wherein, which can also be used implicit indicating mode, such as：Policy Controller are by sending IP-
CAN session establishment request messages represent request and provide local routing service；Or Policy Controller are by sending gateway
Session establishment request message is controlled, request is represented and local route service is provided.
Step 705, it after PCRF entities receive the request message, is formulated according to control rule decision information and is used for local routing
The strategy and charging control rule of service.
The specific process for formulating strategy and charging control rule for local routing service can refer to two step of embodiment
The example of Policy Controller in 304.
Step 706, the strategy established response message and send local routing service that PCRF entities pass through policy control session
With charging control rule to RACS entities.
Step 707, RACS entities by the strategy of local routing service and are counted by policy control rule mount request message
Expense control rule is sent to RCEF execution.
The fixed network that method provided in this embodiment is defined in TISPAN accesses EPC, and accesses the strategic server of net
Under the scene independently disposed with the strategic server of EPC, by making RCEF get the technology hand of strategy and charging control rule
Section realizes the effect of implementation strategy and charging control when providing local routing service to the user.
Embodiment seven
The present embodiment specifically combines Figure 11 to provide a kind of implementation method of strategy and charging control.Figure 11 is primarily adapted for use in
The fixed network that BBF is defined accesses EPC scenes, and (i.e. Policy Controller are predominantly fixed the strategic server of access net
The user service of network) with strategic server (i.e. PCRF entities, the predominantly user service of mobile network) independent part of EPC
Administration.In this scenario, BRAS has by the function of the function of UE access network and implementation strategy and charging control rule, therefore both
It is equivalent to access control entity, also corresponds to policy execution entity；It is identical with embodiment five, in the present embodiment, although simultaneously
There are two strategic servers (i.e. Policy Controller and PCRF entities), still, because of Policy Controller
It is mainly used for the instruction of local routing being forwarded to PCRF entities, therefore, transmission policy server quite in this present embodiment；
And it generates strategy and is then executed by PCRF entities with the function of charging control rule.As shown in Figure 11, the present embodiment and embodiment five
The difference is that in application process, if having the service resources request that AF entities are sent, specific processing mode is such as
Under.
Step 801 to step 804 can refer in embodiment five step 601 to step 604.
Step 805, PCRF entities receive the service resources request message from AF, include request in the request message
UE mark and service resources solicited message.
The particular content of the service resources solicited message can be same as the prior art, includes the type of service of request, bandwidth,
Coding mode etc..Such as：Request provides video business, bandwidth requirement 1,000,000 etc. for the UE.
Step 806, PCRF entities according to the service resources solicited message formulate for local routing service strategy with
Charging control rule.
When PCRF entities formulate the strategy of local routing service with charging control rule in above-mentioned steps 806, it is also necessary to again
With reference to the resource request information of AF.Formulation process with specific reference to after is same as the prior art with mode, and this will not be repeated here.
Step 807, PCRF entities send the strategy of local routing service by policy control rule mount request message one
With charging control rule to Policy Controller；
Step 808, it after Policy Controller receive the above-mentioned request message one, is installed by policy control rule
Strategy and the charging control rule of two local routing service of request message are sent to BRAS execution.
Certainly, it may be also required to provide the mark of UE during the step 807 and step 808, so that BRAS would know that this
Which UE strategies is applied to charging control rule.
The fixed network that method provided in this embodiment is suitable for defining in BBF accesses EPC, and accesses the policy service of net
Under the scene that the strategic server of device and EPC are independently disposed, when receiving the service resources request from AF entities, pass through
BRAS gets the technological means of strategy and charging control rule, realizes and executes plan when providing local routing service to the user
Slightly with the effect of charging control.
Embodiment eight
The present embodiment specifically combines Figure 12 to provide a kind of implementation method of strategy and charging control.Figure 12 is primarily adapted for use in
The fixed network that BBF is defined accesses EPC scenes.In this scenario, BRAS has the function of UE access network and implementation strategy and meter
Take the function of control rule, therefore be both equivalent to access control entity, also corresponds to policy execution entity；Policy
Controller is transmission policy server in the present embodiment, for generating strategy and charging control rule.
Step 901, with two step 301 of embodiment.
Step 902, it is triggered by above-mentioned message, BRAS corresponds to the local routing of the UE according to the mark association of the UE
The routing decisions information such as tactful, user subscription data, and determine to need according to the routing decision information while be carried for the UE
For local routing service and local route service.
Such as：BRAS is associated with the subscription data and local routing strategy of the user of the UE, the use according to the mark of the UE
Point out that the UE is fixed network user in the subscription data at family, and requirement can be made a phone call and be surfed the Internet by fixed network；The local routing strategy
In point out the user to surf the Internet by fixed network, provide local routing service for it, the user to make a phone call by fixed network, in order to keep good
Good continuity, local route service is provided for it, if being surfed the Internet by fixed network, is made a phone call also by fixed network, then is it simultaneously
There is provided local routing service and with local route service.
Step 903, BRAS establishes request message one, request to Policy Controller initiation policy control sessions
Include the instruction that local route service is provided in message.
Wherein, implicit indicating mode can also be used in this step, such as：BRAS is by sending the request of IP-CAN session establishments
Message represents request local routing service；BRAS establishes request message by transmission gateway control session, represents request local
Route service.
Step 904, Policy Controller formulate the plan for local route service according to control rule decision information
Summary and charging control rule.
Specific generate strategy can be compared with the strategy and charging that local in technology is route with the process of charging control rule
Control the process of rule.
Step 905, Policy Controller establish response message one by policy control session, send local road
It is executed by the strategy and charging control rule to BRAS that service.
Step 906 to step 908 can refer to two step 303 of embodiment to step 305, and main difference place is,
What what BRAS was sent to Policy Controller be that policy control session establishes request message two, and obtains is strategy
Response message two is established in control session.
It should be noted that：In the present embodiment step 903 to step 905 and step 906 to step 908 when being executed, and
No sequencing constraint, it might even be possible to occur simultaneously.Also, the Policy controller in the present embodiment can also be used
PCRF entities are replaced, and details are not described herein again.
Embodiment nine
The present embodiment specifically combines Figure 13 to provide a kind of implementation method of strategy and charging control.Figure 13 is primarily adapted for use in
Fixed network that TISPAN is defined accesses EPC scenes, and accesses strategic server (i.e. the RACS entities, predominantly fixed network of net
User service) with the independent deployment of the strategic server (i.e. PCRF entities, the predominantly user service of mobile network) of EPC.At this
In scene, NASS entities have the function of UE access network, can be equivalent to a kind of access control entity；RCEF, which has, executes plan
Slightly with the function of charging control rule, therefore it is considered as a kind of policy execution entity；It is identical as embodiment six, in the present embodiment
In, although existing simultaneously two strategic servers (i.e. RACS entities and PCRF entities), because RACS entities are mainly used for
The transmission policy server that the instruction of local routing is forwarded to PCRF entities, therefore is equivalent in the present invention, and generate strategy
It is then executed by PCRF entities with the function of charging control rule.As shown in Figure 13, the main difference of the present embodiment and embodiment six
Place is, describes specific executive mode in the case of determining to need to provide local route service at the same time.
Step 1001, with step 501.
Step 1002, it is triggered by above-mentioned message, NASS entities correspond to the sheet of the UE according to the mark association of the UE
Ground routing policy, user the routing decisions information such as subscription data, and determine to need according to the routing decision information while being
The UE provides local routing service and local route service.
The process specifically determined can refer to the example of above-mentioned steps 902.
Step 1003, NASS entities send access parameter to RACS entities and transmit message, include in message while providing this
The instruction of ground route service and local route service.
Step 1004, RACS entities establish request message one to PCRF entities initiation policy control session.Particular content
It can refer to above-mentioned steps 903.
Step 1005, PCRF entities formulate strategy and the charging for local route service according to control rule decision information
Control rule.
Specific generate strategy can be compared with the strategy and charging that local in technology is route with the process of charging control rule
Control the process of rule.
Step 1006, PCRF entities establish response message one by policy control session, send for local routing clothes
The strategy of business and charging control rule to RACS entities.
Step 1007, RACS entities send this and are used for local routing clothes by policy control rule mount request message one
The strategy of business is executed with charging control rule to RCEF.
Step 1008, RACS entities establish request message two, request message to PCRF entities initiation policy control session
In comprising provide local routing service instruction.
Implicit indicating mode can also be used in this step, such as：The policy control session establishes request message two specifically
For IP-CAN conversation request messages, then RCAS is by sending IP-CAN session establishment request messages, representative request local routing clothes
Business.
Step 1009, with step 605 in embodiment five.
Step 1010, PCRF entities establish response message two by policy control session, send local routing service
Strategy and charging control rule to RACS entities.
It step 1011,, will be local by policy control rule mount request two after RACS entities receive the response message
Strategy and the charging control rule of route service are sent to RCEF execution.
It should be noted that：Step 1003-1007 and step 1008-1011 is constrained without sequencing in the present embodiment, very
It can extremely occur simultaneously；In addition, step 1007 and step 1011 may belong to the control of the Different Strategies between RACS entities and RCEF
Regular mount request message or same policy control rule mount request message, do not limit herein.Step 1004 and step
1008 can be the request of the sub- session of difference in same policy control session, can also be independent two policy control meetings
Words.
The embodiment of the present invention is combined while being needed in the case of providing local routing and local routing to the user, it is proposed that one
Kind by strategy and the method for charging control rule, when achieving access control entity and providing local routing service to the user, nothing
Method correctly carries out the technique effect of strategy and charging control.
Embodiment ten
The present embodiment provides a kind of strategic server, which can be specially Policy according to the deployment scenario of network
Controller either RACS entities or PCRF entities etc..As shown in figure 14, including：Acquiring unit 10 formulates unit 20,
Transmission unit 30.
Acquiring unit 10, for obtaining the session establishment request from access control entity, in the session establishment request
Including providing the instruction of local routing service；Unit 20 is formulated, under the instruction that acquiring unit 10 is got, according to control
Rule decision information formulates the strategy and charging control rule for local routing service；Transmission unit 30, it is single for that will formulate
Strategy and the charging control rule for the local routing service that member 20 is formulated are sent to policy execution entity execution.
Wherein, the instruction of the session establishment request packet local route service containing offer got when the acquiring unit 10
When；Correspondingly, the formulation unit 20 is additionally operable to formulate the strategy for local route service according to control rule decision information
With charging control rule；The strategy of the local route service is sent to by transmission unit 30, also application with charging control rule
Policy execution entity executes.
Strategic server provided in this embodiment can formulate corresponding strategy and charging according to the instruction of local routing service
Control rule, and the policy execution entity that the rule of the formulation is sent is executed, and then achieve in local routing without PGW
In the case of, realize the technique effect of the strategy and charging control rule that provide local routing service to the user.
Embodiment 11
The present embodiment provides a kind of access control entity, the access control entity is different according to the scene that network is disposed, can
Specially：BRAS, NASS entity etc..As shown in figure 15, including：Receiving unit 40 route determination unit 50, transmission unit 60.
Receiving unit 40, the message of connection is established for receiving the request from UE, and the message of connection is established in the request
Indicate that new IP connections, the mark that the message that connection is established in the request includes user equipment are established in request；It route determination unit
50, provide local routing service for being determined as the UE according to the mark；Transmission unit 60 is asked for sending session establishment
Transmission policy server is sought, is carried comprising what is obtained according to the definitive result of routing determination unit 50 in the session establishment request
For the instruction of local routing service.
Wherein, in another embodiment of the present invention, the access control entity is as shown in figure 16, route determination unit 50
Including：First acquisition module 501 and/or second acquisition unit 502.
Wherein, the first acquisition module 501, the routing for being associated with corresponding user equipment according to the customer equipment identification
Decision information is determined as the user equipment according to the routing decision information and provides local routing service；
Second acquisition unit 502, for sending the authentication or ground that carry the customer equipment identification to authentication server
Location allocation request message, and the user equipment is determined as by the authentication of return or address assignment response message and is provided locally
Route service, the authentication or address assignment request message are for asking the authentication server according to the user equipment mark
The routing decision information for knowing corresponding user equipment is determined as the user equipment offer local routing service.
In addition in the present embodiment, as shown in figure 16, routing determination unit 50 is additionally operable to：Simultaneously according to the routing decision
Information is determined as the UE and provides local route service.Correspondingly,
Transmission unit 60 includes：Transmission sub-unit 6001.Transmission sub-unit 6001, in the routing determination unit 50
When according to the mark while being determined as the user equipment offer local routing service and local route service, sends session and build
Transmission policy server is arrived in the first son request in vertical request, includes the finger for providing local routing service in the first son request
Show；And transmission policy server is arrived in the second sub- request sent in session establishment request, includes to carry in the second son request
For the instruction of local route service；Alternatively,
Transmission unit 60 is additionally operable in the routing determination unit 50 according to the mark while being determined as the user and set
When standby offer local routing service and local route service, sends session establishment request two and arrive transmission policy server, the meeting
Words are established in request two comprising the instruction for providing local route service.
Access control entity in the present embodiment can be used as the use of NASS entities, also can be used as BRAS uses, but special
Not, when as BRAS, further include：Execution unit 30.
When the fixed network for being defined in BBF accesses EPC scenes, session is sent in transmission unit 60 for execution unit 30
Establish request to the local routing service for after transmission policy server, receiving and executing the transmission of transmission policy server strategy with
Charging control rule.
Access control entity provided in this embodiment in the session request for being sent to transmission policy server by indicating
The technological means of local routing mode is provided, transmission policy server can be convenient for know the business data flow of user according to the instruction
Without PGW, the strategy and charging control rule suitable for local routing are taken and formulated accordingly, is carried to be embodied as user
For the technique effect of strategy and charging control under local routing.
Embodiment 12
The present embodiment provides a kind of realization systems of strategy and charging control, and as shown in figure 17, which includes:Access control
Entity 70 processed, transmission policy server 80, policy execution entity 90.
Wherein, access control entity 70, for sending session establishment request to transmission policy server 80, the session is built
Comprising the instruction for providing local routing service in vertical request, the access control entity 70 includes BRAS or NASS；
Policy execution entity 90, the strategy of the local routing service for receiving the transmission of transmission policy server 80 and charging
Control rule.
Wherein, transmission policy server 80, the strategy for formulating local routing service according to control rule decision information
With charging control rule；Or,
Transmission policy server, for the control session establishment request of PCRF entity sending strategys, it is real to receive the PCRF
The strategy and charging control rule for the local routing service that body is formulated according to control rule decision information.
It should be noted that under some scenes, access control entity 70 can have with policy execution entity 90 by one
The device of body is realized.Such as：Under the fixed network access EPC scenes that BBF is defined, access control entity 70 and strategy
The function of executing entity 90 has BRAS realizations.
System provided in this embodiment provides a kind of without being associated with corresponding IP-CAN under the mode of local routing
Session, without PGW participate in can strategy and the acquisition scheme of charging control rule, realize in the case of no PGW, still may be used
Provide the local routing service of QoS controls and service traffics charging to the user.
Through the above description of the embodiments, it is apparent to those skilled in the art that the present invention can borrow
Help software that the mode of required general hardware platform is added to realize, naturally it is also possible to which by hardware, but the former is in many cases
More preferably embodiment.Based on this understanding, technical scheme of the present invention substantially in other words contributes to the prior art
Part can be expressed in the form of software products, which is stored in the storage medium that can be read,
Such as the floppy disk of computer, hard disk or CD etc., including some instructions are used so that an equipment executes each embodiment of the present invention
The method.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (16)
1. a kind of implementation method of strategy and charging, which is characterized in that including：
Access gateway sends meeting when receiving the message of the request foundation connection from user equipment to transmission policy server
It talks about and establishes request, the session establishment request is generated strategy for the user equipment for the transmission policy server and charging
Control rule includes the instruction and the customer equipment identification for providing local routing service in the session establishment request；It is described
Local routing refers to that the direct accessed network pass of data flow of the user equipment is forwarded to external network；
The access gateway receives the local routing that the transmission policy server is sent by policy control session response message
The strategy and charging control rule of service；
The access gateway receives the data flow of the user equipment, the stream compression is dealt into external network, and to described
The strategy and charging control rule received described in data flow execution.
2. according to the method described in claim 1, it is characterized in that, receiving the transmission policy server in the access gateway
The strategy of the local routing service sent by policy control session response message is with before charging control rule, and the method is also
Including：
Transmission policy server formulates the strategy and charging control rule of local routing service according to control rule decision information.
3. according to the method described in claim 2, it is characterized in that, the control rule decision information includes：Local control plan
Slightly；Or, the control rule decision information further includes following at least one other than including local control strategy：
The subscription data of user；
The service resources solicited message of application level function entity.
4. according to the method described in claim 1, it is characterized in that, receiving the request from user equipment in the access gateway
It establishes after the message of connection, the method further includes：
The access gateway is associated with the corresponding routing decision information of the user equipment according to the customer equipment identification, according to institute
It states routing decision information and the user equipment offer local routing service is provided；Or,
The access gateway sends the authentication for carrying the customer equipment identification to authentication server or address assignment request disappears
Breath, asks the authentication server to be determined as institute according to the routing decision information of the corresponding user equipment of the customer equipment identification
It states user equipment and local routing service is provided.
5. according to the method described in claim 1, it is characterized in that, the session establishment request packet includes：
Policy control session establishes request message, and the policy control session is established request message and included at least：IP connectivity connects
Enter network conversation message or S9 conversation messages.
6. according to any methods of claim 1-5, which is characterized in that get the session from the access gateway and build
Vertical request one, when in the session establishment request one comprising the instruction for providing local route service, this method further includes：
The strategy and charging control rule of local route service are formulated according to control rule decision information；
The strategy of the local route service is sent to the access gateway with charging control rule to execute.
7. according to the method described in claim 1, it is characterized in that, the access gateway includes Broadband Remote Access Server.
8. a kind of equipment, which is characterized in that including：
It is built for sending session to transmission policy server when receiving the request from user equipment and establishing the message of connection
The unit of vertical request, the session establishment request for the transmission policy server for the user equipment generate strategy and based on
Take control rule, includes the instruction and the customer equipment identification that local routing service is provided in the session establishment request；
The strategy of the local routing service sent by policy control session response message for receiving transmission policy server with
The unit of charging control rule；
The stream compression is dealt into external network, and is held to the data flow by the data flow for receiving the user equipment
The unit of the strategy and charging control rule that are received described in row.
9. equipment according to claim 8, which is characterized in that further include：
It is associated with the corresponding routing decision information of the user equipment according to the customer equipment identification, is believed according to the routing decision
Breath is determined as the unit that the user equipment provides local routing service；Or
For sending the authentication or address assignment request message that carry the customer equipment identification to authentication server, institute is asked
It states authentication server the user is determined as according to the routing decision information of the corresponding user equipment of the customer equipment identification and set
The standby unit that local routing service is provided.
10. according to the equipment described in claim 8 to 9 any one, which is characterized in that the equipment further includes：
When fixed network for being defined in Broadband Forum BBF accesses evolution block core net EPC scenes, receives and execute transmission
The unit of the strategy and charging control rule of the local routing service that strategic server is sent.
11. according to the equipment described in claim 8 to 9 any one, which is characterized in that the equipment includes broad band remote access
Server.
12. a kind of transmission policy server, which is characterized in that including：
Unit for obtaining the session establishment request from access gateway includes the local road of offer in the session establishment request
By the instruction serviced and customer equipment identification, the local routing refers to that the direct accessed network of data flow of user equipment closes forwarding
To external network；
Unit under the instruction got, formulating strategy and charging control rule for local routing service；With
Unit for the strategy for the local routing service formulated to be sent to the access gateway with charging control rule,
So that the access gateway receives the data flow of the user equipment, the stream compression of the user equipment is dealt into extranets
Network, and the strategy and charging control rule of the transmission are executed to the data flow.
13. transmission policy server according to claim 12, which is characterized in that described formulate is used for local routing service
Strategy specifically included with charging control rule：
The strategy and charging control rule of local routing service are formulated according to control rule decision information.
14. transmission policy server according to claim 13, which is characterized in that the control rule decision packet
It includes：Local control strategy；Or, the control rule decision information other than including local control strategy, further include it is following at least
It is a kind of：
The subscription data of user；
The service resources solicited message of application level function entity.
15. transmission policy server according to claim 12, which is characterized in that the access gateway includes broad band remote
Access server.
16. a kind of realization system of strategy and charging control, which is characterized in that including：
Any equipment of claim 8 to 11；With
Any transmission policy server of claim 12 to 15.
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| CN201410594470.5A CN104301124B (en) | 2010-05-25 | 2010-05-25 | Implementation method, system and the relevant device of strategy and charging control |
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| CN201080001609.0A CN102511145B (en) | 2010-05-25 | 2010-05-25 | Method, system and corresponding apparatus for implementing policy and charging control |
| CN201410594470.5A CN104301124B (en) | 2010-05-25 | 2010-05-25 | Implementation method, system and the relevant device of strategy and charging control |
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