CN101374260B - Method, apparatus and system for implementing PCC rules and bearing association - Google Patents

Abstract

The invention discloses a method for achieving association of policy and charging control (PCC) rule and bear. The method comprises the following steps: determining the PCC rule by a policy and charging rule function entity (PCRF), and determining an access technique using the PCC rule; transmitting an indication information including the PCC rule and the determined access technique to a policy and charging execution function entity (PCEF) by the PCRF; and associating the PCC rule and the bear corresponding to the access technique by the PCEF. The invention also discloses a device and a device for achieving association of PCC and the bear. The method can achieve PCC architecture to support a user to access the network at the same IP address through a plurality of access techniques, so that PCRF can subject a multi-mode terminal accessed to the network to more flexible policy and charging control.

Description

Implementation method, device and the system of PCC rule and bearing association

Technical field

The present invention relates to communication technical field, particularly strategy and the control of chargeing (Policy and Charging Control, PCC) implementation method, device and the system of rule and bearing association.

Background technology

Communication network just from circuit switching (CS) network to IP be the carrying the evolution gradually of packet switching (PS) network.Carrier grade service is provided in IP network, the problem of a key be need consider end to end service quality (Quality of Service, QoS) problem, to satisfy the user to communication service, the professional quality requirement of class in real time particularly as video calling.In addition, because the IP communication network can provide kind more professional, as web page browsing, file download, video flowing program request etc., network must have the ability of chargeing according to different business stream.At these demands, (3rd Generation Partnership Project 3GPP) has defined the PCC framework to 3rd Generation Partnership Project.This framework can be so that network measuring to different Business Streams, and be carried out the QoS control and the statistics of chargeing at Business Stream.

The PCC framework that 3GPP defines in TS23.203 as shown in Figure 1, wherein the effect of each functional entity is as follows:

Policy control and charging regulation function entity (Policy Control and Charging Rules Function, PCRF), be used for restriction, carrier policy, user contracting data according to user access network, and the current ongoing business information of user etc., the strategy that decision will be carried out, and (Policy and Charging Enforcement Function PCEF), carries out these strategies by PCEF to give strategy and charging execution function entity with this policy distribution.Strategy comprise business data flow the detection rule, whether carry out the QoS of gate, business data flow correspondence, and based on the charging regulation (as chargeing) of stream based on time, flow, incident etc.

PCEF is used for by carrying out the strategy that PCRF issues, and realizes detection and measurement, the QoS assurance of business data flow, the flow processing of user's face and the session management of triggering chain of command etc. to business data flow.Generally (GatewAy GW) realizes this functional entity, can connect multiple access technology based on gateway.

(Subscription Profile Repository SPR), is used for providing user contracting data to PCRF the user contracting data database.

(Application Function AF), is used for dynamically providing to PCRF the session information of application layer to the application level function entity, and PCRF dynamically generates or revise corresponding strategy according to this information.

Off-line accounting system (OFCS) and Online Charging System (OCS) are mainly used in off-line and online charging.

More than interface between each functional entity be described below:

The Gx reference point: this reference point connects PCEF and PCRF, is used to realize following function: establishment of connection, maintenance and termination; PCEF is to PCRF request PCC rule; PCRF issues the PCC rule to PCEF; The pattern of setting up of negotiating bearer.This reference point is used the Diameter of ietf definition, about the specific definition of this reference point referring to 3GPP TS29.212.

The Rx reference point: this reference point connects AF and PCRF, is used for AF and issues the application layer relevant information.This information comprises the IP filter that is used for the identification services data flow, application or the required bandwidth information of medium etc.This reference point is used the Diameter of ietf definition.

The Sp reference point: this reference point connects SPR and PCRF, is used for PCRF and asks user signing contract information to SPR.This CAMEL-Subscription-Information is used for determining the transport layer strategy.This reference point belongs to privately owned interface at present, can be defined voluntarily by equipment vendor.

Gz and Gy reference point then are mainly used in off-line and online charging.

Wherein, carrying is meant that the IP transmission path with clear and definite speed, delay and bit error rate, this path refer to Access Network between the GW.Connect and to refer to subscriber equipment (UE) and external packet data network (this annexation is discerned by the IP address of UE and the sign of UE for Packet Data Network, the PDN) annexation between (as the internet).Connection can comprise one or more carryings.

The PCC rule is one group and is used to realize that business data flow detects, and provides corresponding policy control and/or the information of the parameter of the control of chargeing.By the business data flow masterplate in packet and the PCC rule is complementary, can whether belong to the business data flow that this rule is controlled by the specified data bag.According to the definition of 3GPP TS29.212, PCC rule can adopt following Charging-Rule-Definition AVP to represent (only having listed partial parameters, in the symbol [] is option wherein, and symbol * represents that these can be for a plurality of):

Business datum stream description (Flow-Description) wherein comprising: the source of data flow/purpose IP address, source/destination interface and protocol number; QoS information (QoS-Information) is the QoS that the PCC rule is authorized.

Each PCC rule only can be loaded in the carrying, therefore at first must carry out related with its carrying that is acted on the PCC rule.Bearing association is meant the process that a business data flow (being defined by the business data flow masterplate in the PCC rule) is associated with the carrying of this business data flow of transmission.Bearing association comprises three steps:

Step 1: session association.

According to IP address and the sign of UE, and the PDN network information that inserts of user, PCRF carries out session association, with AF session information and PCC rule association to being connected.

Step 2:PCC rule authentication.

For the dynamic PCC rule of selecting in the step 1, PCRF selects a QoS rank sign (QCI) for it.

Step 3: bearing association.

PCC rule is associated with a carrying in being connected.Bearing association can be divided into following two kinds of situations:

PCEF carries out bearing association: according to the QCI that selects for business data flow in the step 2, whether PCEF at first attempts can using existing carrying to transmit this business.As not having available carrying, PCEF will ask to set up a suitable carrying.Bearing association will have the business data flow of identical QCI and carry interrelated.

PCRF carries out bearing association: according to the data flow map information that PCEF and UE provide, association process is associated the PCC rule with the carrying that service data transmission flows.PCRF with the business data flow filter information be connected in all data carried by data stream map informations compare, and carry out related with carrying the business data flow that above-mentioned information conforms to.

In the PCC framework of 3GPP definition, PCRF and PCEF by is connected and carry set up mutual in the process, realize PCC regular with the correlation function that carries.Fig. 2 shows the connection building process that UE initiatively initiates, and comprises the steps:

Step 201:PCEF receives the connection of UE initiation and sets up request message, requires to distribute one in the visible IP of PDN network address, and concrete message format is relevant with access network type;

Step 202:PCEF notice PCRF connects foundation, and PCEF sends the credit control request to PCRF, and (Credit-Control-Request, CCR) message comprise UE sign and IP address.If PCRF carries out carrying and PCC rule association, then PCEF also will report bearing identification (can set up default bearer when generally speaking, UE connects and come transmitting control layer signaling);

Information in the step 203:PCRF storage CCR message is carried out the PCC decision-making, generates new PCC rule.If PCRF carries out carrying and PCC rule association, then also to write down the incidence relation of PCC rule and bearing identification;

Step 204:PCRF is by Credit Control Answer message (Credit-Control-Answer, CCA) message returns to PCEF with the PCC rule, if PCRF carries out carrying and rule association, then indicate the incidence relation (promptly carrying out corresponding rule) of PCC rule and bearing identification in that carrying;

Step 205:PCEF loads and carries out the PCC rule.If PCEF carries out carrying and PCC rule association, then select a suitable carrying according to rule request by PCEF; Otherwise PCEF is according to the PCC rule of PCRF and the incidence relation of bearing identification, executing rule in the carrying of correspondence;

Step 206:PCEF returns connection establishment response message by Access Network to UE.

Figure 3 shows that the carrying that network is initiatively initiated sets up flow process, comprise the steps:

Step 301:AF sends authentication and authorization requests (AAR) message to PCRF, wherein comprises business information (as the IP address of IP stream, port numbers, media type information etc.);

Step 302:PCRF preserves the business information that receives, according to the business information that receives information and receive from PCEF from AF, the AF session association is arrived specific connection, and signatory according to business information and user, and information such as operator's configuration generate also preserves new PCC rule;

Step 303:PCRF sends again authorization request message to PCEF, and (Re-Auth-Request, RAR) message wherein have new PCC rule;

Step 304:PCEF loads and carries out the PCC rule, to the business data flow implementation strategy and the control of chargeing;

Step 305: do not have the then newly-built carrying that meets the demands between PCEF and the Access Network if satisfy the carrying of qos requirement in the PCC rule;

Step 306:PCEF returns authorization response again to PCRF, and (Re-Auth-Answer, RAA) message show and finish PCC rule and the binding of carrying;

Step 307:PCRF confirms this PCC rule and the binding of carrying to AF return authentication and authorization response (AAA) message.

Set up process and loading establishing process by above connection, at the actual incidence relation that has formed between connection as shown in Figure 4, carrying, PCC rule and the IP operation data flow on the PCEF: connection can with more than one bearing association, carrying again can with more than one IP operation data stream association; Each IP operation data flow can related PCC rule, and the associated PCC rule of different IP business data flow can be identical, also can be different.

For realize two-forty, the low transfer of data that postpones and support multiple access technology in IP network, 3GPP studies System Architecture Evolution (SAE).Shown in Fig. 5 a, Fig. 5 b has provided another kind of possible network evolution architecture to 3GPP in the SAE network architecture that defines among the TS23.042.Being described below of each network element in this framework:

PCRF: identical with the PCRF in the PCC framework.

Packet data network gateway (Packet Data Network Gateway, PDN Gateway), for connection provides the gateway of the PDN network (this network may be the inner or outside packet network of operator) of service, be responsible for customer traffic is transmitted and filtration etc.In this framework, the PCEF functional entity is realized based on PDN Gateway.

(evolved Packet Data Gateway ePDG), is the gateway between non-3 GPP access network network of not trusted and 3GPP SAE network to the packet data gateway of evolution.EPDG provides routing iinformation and forwarding capability for the transmission of user data between two networks, the encapsulation and the deblocking of executive address conversion and mapping, bag, and security-related authentification of user and authentication etc.

Gateway (Serving Gateway) and Mobility Management Entity (MME) are mainly used in 3GPP user's access and mobile management, and be little with relation of the present invention, repeats no more here.

In the SAE framework, the S7 interface realizes that based on the Gx interface among Fig. 1 the Rx+ interface realizes that based on the Rx interface among Fig. 1 corresponding interface is basic identical in its function and the PCC framework.

Below the problem that exists in the PCC under multi-access technology condition rule and the bearing association process is analyzed.The user uses the terminal (being designated hereinafter simply as multimode terminal) of supporting multi-access technology among Fig. 5 a or Fig. 5 b, and via access technology 1 and 2 while of access technology access network, two of being set up connect the same IP of use address.

For the network configuration of Fig. 5 a, the handling process when multimode terminal initiates to connect comprises the steps: shown in Fig. 6 a

Step 601a:AF sends AAR message to PCRF, wherein comprises business information (as the IP address of IP stream, port numbers, media type information etc.);

Step 602a:PCRF preserves the business information that receives, according to the business information that receives information and receive from PCEF from AF, the AF session association is arrived specific connection, and according to business information and user signing contract information, information such as operator's configuration generate and preserve new PCC rule, have specified the IP address that connects in the PCC rule;

Step 603a:PCRF sends RAR message to PCEF, wherein has new PCC rule;

Step 604a:PCEF selects corresponding carrying to carry out related with rule according to the IP address of appointment in the PCC rule.At this moment, if include the carrying of satisfying qos requirement in the PCC rule in the connection of different access technologies, PCEF can't determine to use the carrying in which access technology to carry out related with this PCC rule; If all do not comprise the carrying of satisfying qos requirement in the PCC rule in the connection of different access technologies, PCEF need set up new carrying and carry out the Business Stream transmission, but which access technology PCEF can't determine to use set up new carrying.Under above two kinds of situations, PCEF can't finish the PCC rule association, thereby causes the strategy and the control failure of chargeing.

For the network configuration of Fig. 5 b, the handling process when multimode terminal initiates to connect comprises the steps: shown in Fig. 6 b

Step 601b:AF sends AAR message to PCRF, wherein comprises business information (as the IP address of IP stream, port numbers, media type information etc.);

Step 602b:PCRF preserves the business information that receives, according to the business information that receives information and receive from PCEF from AF, connection is associated with specific AF session, and it is signatory according to business information and user, information such as operator's configuration generate and preserve new PCC rule, have specified the IP address that connects in the PCC rule;

Step 603b: according to the IP address, PCRF determines corresponding carrying, and with described carrying and PCC rule association.Owing to connect corresponding to access technology more than one, this moment is only according to the IP address information, PCRF can't determine to use the carrying in which access technology to carry out the business datum flow transmission, be that PCRF can't determine to issue the PCC rule to the PCEF of which Access Network, thereby cause the strategy and the control failure of chargeing.

In sum, the shortcoming of prior art existence is: in existing relation mechanism, default user can only use a kind of access technology to be attached to network simultaneously, when perhaps using multiple access technology to be attached to network at the same time, can be assigned to different IP addresses; Therefore, when using multiple access technology simultaneously, the user is attached to network, and when each access technology is used same IP address, because PCRF or PCEF can't be only according to the unique definite carryings in IP address, thereby cause PCC rule and related can't the carrying out of carrying, and then cause PCEF can't on the Access Network of correspondence, carry out the PCC rule.

Summary of the invention

In view of this, the embodiment of the invention proposes implementation method, device and the system of PCC rule and bearing association, can under the multi-access technology environment, realize PCC regular with carry normal related.

A kind of PCC rule that the embodiment of the invention proposes and the implementation method of bearing association comprise the steps:

The terminal of supporting multiple access technology is via first access technology and second access technology while access network, and two of being set up connect the same IP of use address;

Policy control and charging regulation function entity PCRF are signatory according to business information and user, and operator configuration information generates and preserves the PCC rule, and from described first access technology and second access technology, determine to use the access technology of described PCC rule;

The indication information that PCRF will comprise described PCC rule and determined access technology is issued to strategy and charging execution function entity PCEF; PCEF judge to adopt described access technology, and whether the carrying of satisfying the quality of service requirement in the described PCC rule exist, if then select described carrying and described PCC rule association; Otherwise PCEF adopts described access technology to set up the carrying of satisfying described quality of service requirement, and with carrying and the described PCC rule association set up.

The system corresponding with said method that the embodiment of the invention proposes comprises PCRF and PCEF, via first access technology and second access technology while access network, two of being set up connect the situation of using same IP address to described system applies in the terminal of supporting multiple access technology;

Described PCRF is used for according to business information and user signatory, operator configuration information generates and preserves the PCC rule, and from described first access technology and second access technology, determine to use the access technology of described PCC rule, generation comprises the indication information of described PCC rule and described access technology, and described indication information is issued to PCEF;

Described PCEF is used to receive the indication information from PCRF, and extract PCC rule and access technology information from the indication information that is received, judge and adopt described access technology, and whether the carrying of satisfying the quality of service requirement in the described PCC rule exists, if then select described carrying and described PCC rule association; Otherwise PCEF adopts described access technology to set up the carrying of satisfying described quality of service requirement, and with carrying and the described PCC rule association set up.

A kind of PCRF that the embodiment of the invention proposes comprises:

PCC rule determination module is used for contracting according to business information and user, and operator configuration information generates also preserves the PCC rule;

The access technology determination module is used for from first access technology and second access technology, determines to use the access technology of the determined PCC rule of described PCC rule determination module; Described first access technology and second access technology are two kinds of access technologies of the terminal while access network of the multiple access technology of support, and same IP addresses are used in two connections that described terminal is set up;

Issue module, be used to generate the indication information that comprises described PCC rule and described access technology, and externally send described indication information.

The embodiment of the invention has also proposed the implementation method of another kind of PCC rule and bearing association, comprises the steps:

Support the access network while access network of the terminal of multiple access technology via the access network of using first access technology and application second access technology, same IP address is used in two of being set up connection;

PCRF receives and preserves the business information that application level function entity A F sends, and carries out the PCC decision-making, generates the PCC rule, and from described first access technology and second access technology, determines to use the access technology of described PCC rule;

With the PCEF of described PCC rule downloading in the network of using described access technology, described PCEF carries out the carrying in the inserting technology networks at described PCC rule and self place related.

The system corresponding with this implementation method comprises that PCRF and at least one are arranged in the PCEF that uses specific inserting technology networks, described system applies is in the access network while access network of the terminal of supporting multiple access technology via the access network of using first access technology and application second access technology, and two of being set up connect the situation of using same IP address;

Described PCRF is used to receive and preserve the business information that application level function entity A F sends, and carries out the PCC decision-making, generates the PCC rule; And from described first access technology and second access technology, determine to use the access technology of described PCC rule; According to determined access technology, the PCEF in the network of the described access technology of position application; With described PCC rule downloading to the PCEF that is located;

Described PCEF is used to receive the PCC rule from PCRF; Carry out the carrying in the inserting technology networks at described PCC rule and described PCEF place related.

The another kind of PCRF that the embodiment of the invention proposes comprises:

PCC rule determination module is used to receive and preserve the business information that application level function entity A F sends, and carries out the PCC decision-making, generates the PCC rule;

The access technology determination module is used for from described first access technology and second access technology, determines to use the access technology of the determined PCC rule of described PCC rule determination module;

The access technology locating module is used for according to the determined access technology of described access technology determination module, the PCEF in the network of the described access technology of position application;

Issue module, be used for the PCEF that the determined PCC rule downloading of described PCC rule determination module is located to described access technology locating module.

As can be seen from the above technical solutions, by the definite access technology of using the PCC rule of PCRF, and with determined access technology notice PCEF, then PCEF can find corresponding carrying according to described access technology information; Perhaps PCRF is according to determined access technology, the PCC rule sent to the PCEF in the network that adopts this access technology, thereby realize the PCC framework can support the user by multiple access technology with same IP address access network, make PCRF can carry out the more flexible strategies and the control of chargeing to the multimode terminal of access network.

Description of drawings

Fig. 1 is the PCC configuration diagram of prior art;

Fig. 2 is the connection building process figure of prior art;

Fig. 3 sets up flow chart for the carrying that network in the prior art is initiatively initiated;

Fig. 4 is the incidence relation schematic diagram between connection, carrying, PCC rule and the IP operation data flow;

Fig. 5 a is first kind of configuration diagram of SAE;

Fig. 5 b is second kind of configuration diagram of SAE;

Fig. 6 a is in the prior art, for first kind of framework of SAE, and the process chart when multimode terminal initiates to connect;

Fig. 6 b is in the prior art, for second kind of framework of SAE, and the process chart when multimode terminal initiates to connect;

Fig. 7 carries out related processing procedure schematic diagram for the PCC rule of the embodiment of the invention with carrying;

Fig. 8 realizes the process chart of PCC rule and bearing association for first embodiment of the invention;

Fig. 9 realizes the process chart of PCC rule and bearing association for second embodiment of the invention;

Figure 10 realizes the process chart of PCC rule and bearing association for third embodiment of the invention;

Figure 11 realizes the process chart of PCC rule and bearing association for fourth embodiment of the invention;

Figure 12 is the PCC configuration diagram of fifth embodiment of the invention;

Figure 13 is the PCC configuration diagram of sixth embodiment of the invention.

Embodiment

The PCC rule that the embodiment of the invention proposes is carried out related method with carrying, make PCRF and to issue the PCC rule, thereby make PCEF in the carrying of corresponding access technology, to carry out strategy and the control of chargeing according to the PCC rule at concrete access technology formulation.

The PCC rule of the embodiment of the invention is carried out related handling process as shown in Figure 7 with carrying, comprises the steps:

Step 701:PCRF is signatory according to business information and user, and information such as operator's configuration generate and preserve new PCC rule; And PCRF is according to user signing contract information, carrier policy, network state, and business information etc., is identified for the access technology of service data transmission stream.

The process of determining access technology is a logical decision process, and wherein employed specific strategy is determined by operator.As for how to determine the final access technology of using according to above-mentioned information, then can be at different operators, different scenes have different define methods.For example for different operators, what have can only determine to select for use the lighter access technology of load according to offered load, and the CAMEL-Subscription-Information that can take all factors into consideration professional and user that has decides.Equally, neither fix by role in decision process for each factor.

Alternatively, PCRF can select multiple access technology, and produces the access technology tabulation according to priority orders.

Step 702:PCRF issues the PCC rule, makes PCEF can be in the carrying on the selected access technology of step 701 related and carry out this PCC rule.Specifically:

For as the framework among Fig. 5 a, PCRF is handed down to PCEF with PCC rule and corresponding access technology (or access technology tabulation).PCEF is according to the access technology information of being received, and carrying that satisfy qos requirement access technology with employing carried out related with the PCC rule; If the access technology information that PCEF receives is the access technology tabulation, then PCEF is according to network state and/or business information, from the access technology tabulation, select access technology according to priority orders, specifically, be exactly from described access technology tabulation, selection can meet current network state and/or business information requirement, and the highest access technology of priority; And with PCC rule and carrying that satisfy qos requirement this access technology with employing carried out related.

For as the framework among Fig. 5 b, PCRF is according to the access technology of selecting in the step 701, gives PCEF in the corresponding Access Network with the PCC rule downloading, undertaken the carrying of satisfying qos requirement in PCC rule and this Access Network related by the PCEF in the corresponding Access Network.Perhaps, PCRF also can give the PCC rule downloading another PCRF in the network, and by the forwarding capability of this PCRF realization PCC rule, the PCEF that the PCC rule further is distributed in the specific Access Network carries out bearing association.If what PCRF was issued to another PCRF is the access technology tabulation, then described another PCRF is according to current network state and/or business information, from the tabulation of described access technology,, and described PCC rule sent to PCEF in the selected inserting technology networks according to a kind of access technology of the selective sequential of priority.Alternatively, described another PCRF can also make amendment to the content of the access technology tabulation of being received select access technology from access technology tabulation before, as increasing or deleting optional access technology.

Between above-mentioned PCC rule and the access technology, can be the corresponding access technology of PCC rule, also can be the corresponding access technologies of a plurality of PCC rules.

For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is further elaborated below in conjunction with specific embodiment.

In the first embodiment of the invention, the user uses multimode terminal, and via access technology 1 and 2 while of access technology access network, two of being set up connect the same IP of use address.The network architecture is shown in Fig. 5 a, and multiple inserting technology networks is by the same PCEF implementation strategy and the control of chargeing.The handling process that this embodiment realizes PCC rule and bearing association comprises the steps: as shown in Figure 8

Step 801:AF sends AAR message to PCRF, wherein comprises business information (as the IP address of IP stream, port numbers, media type information etc.);

Step 802:PCRF preserves the business information that receives, and carries out the PCC decision-making, generates new PCC rule.According to user signing contract information, carrier policy, network state and business information, PCRF determines to carry out the access technology of professional transmission; In the present embodiment, might as well establish determined access technology is access technology 2;

Step 803:PCRF sends RAR message to PCEF, wherein has new PCC rule, specifies in message and carries out related with this PCC rule the carrying in the access technology 2;

Step 804: according to the access technology information of appointment in the PCC rule, the carrying that PCEF satisfies qos requirement in the PCC rule with PCC rule and this Access Network is carried out related, and carries out the PCC rule, and the business data flow implementation strategy is controlled with chargeing;

Step 805: do not exist if satisfy the carrying of qos requirement in the PCC rule, then PCEF adopts the access technology 2 newly-built carryings that meet the demands;

Step 806:PCEF returns RAA message to PCRF;

Step 807:PCRF returns AAA message to AF.

In the second embodiment of the invention, the user uses the terminal of supporting multi-access technology, and via access technology 1 and 2 while of access technology access network, two of being set up connect the same IP of use address.The network architecture is shown in Fig. 5 b, and each inserting technology networks is via the independent PCEF implementation strategy and the control of chargeing.The handling process that this embodiment realizes PCC rule and bearing association comprises the steps: as shown in Figure 9

Step 901:AF sends AAR message to PCRF, wherein comprises business information (as the IP address of IP stream, port numbers, media type information etc.);

Step 902:PCRF preserves the business information that receives, and carries out the PCC decision-making, generates new PCC rule.In the present embodiment, suppose that the load of access technology 1 is lighter, according to the load balancing principle of carrier policy, PCRF determines to adopt access technology 1 to carry out the business transmission.

The step 903:PCRF directly PCEF in Access Network 1 sends RAR message, wherein has new PCC rule; In this step, PCRF also can send to another PCRF with the RAR message that has the PCC rule, gives PCEF in the Access Network 1 by this PCRF with the RAR forwards.

Step 904: the carrying that the PCEF in the Access Network 1 satisfies qos requirement in the PCC rule with PCC rule and this Access Network is carried out related, and carries out the PCC rule, and the business data flow implementation strategy is controlled with chargeing;

Step 905: do not exist if satisfy the carrying of qos requirement in the PCC rule in the Access Network 1, then PCEF1 adopts the newly-built carrying that meets the demands;

Step 906:PCEF 1 returns RAA message to PCRF;

Step 907:PCRF returns AAA message to AF;

In the third embodiment of the invention, the user uses the terminal of supporting multi-access technology, passes through the gateway access belonging area network simultaneously via the access technology 1 and the access technology 2 of access zone network, and two of being set up connect the same IP of use address.The access zone network framework has the PCRF that is positioned at access zone network, i.e. V-PCRF in the described access zone network shown in Fig. 5 a.The handling process that this embodiment realizes PCC rule and bearing association comprises the steps: as shown in figure 10

Step 1001:AF sends AAR message to PCRF, wherein comprises business information (as the IP address of IP stream, port numbers, media type information etc.);

Step 1002:PCRF preserves the business information that receives, and carries out the PCC decision-making, generates new PCC rule.According to user signing contract information, this kind business preferentially adopts access technology 1.Therefore PCRF specifies and carries out related with the carrying in the access technology 1 this PCC rule.

Step 1003:PCRF sends to PCRF (V-PCRF) in the access zone network with the PCC rule that generates and preferred access technology.

Step 1004:V-PCRF sends RAR message to PCEF, wherein includes the new PCC rule and the access technology 1 of specified associations carrying;

Step 1005:PCEF is according to the access technology information that receives, and the carrying that PCEF satisfies qos requirement in the PCC rule with PCC rule and Access Network 1 is carried out related, and carries out the PCC rule, and the business data flow implementation strategy is controlled with chargeing;

Step 1006: do not exist if satisfy the carrying of qos requirement in the PCC rule, then PCEF adopts the access technology 1 newly-built carrying that meets the demands;

Step 1007:PCEF1 returns RAA message to V-PCRF;

Step 1008:V-PCRF returns RAA message to PCRF;

Step 1009:PCRF returns AAA message to AF;

In the fourth embodiment of the invention, the user uses the terminal of supporting multi-access technology, passes through the gateway access belonging area network simultaneously via the access technology 1 and the access technology 2 of access zone network, and two of being set up connect the same IP of use address.Described access zone network framework wherein has visit ground PCRF, i.e. V-PCRF shown in Fig. 5 b.The handling process that this embodiment realizes PCC rule and bearing association comprises the steps: as shown in figure 11

Step 1101:AF sends AAR message to PCRF, wherein comprises business information (as the IP address of IP stream, port numbers, media type information etc.);

Step 1102:PCRF preserves the business information that receives, and carries out the PCC decision-making, generates new PCC rule.According to user signing contract information, carrier policy, network state and business information, PCRF determines the access technology of employing.For example, according to the loading condition of Access Network, find that the network traffics of access technology 1 this moment are excessive, decision adopts access technology 2 to carry out the business transmission.In the PCC rule that generates, PCRF specifies and carries out related with this PCC rule the carrying in the access technology 2.

Step 1103:PCRF sends to V-PCRF in the access zone network with the PCC rule that generates.

Step 1104:V-PCRF is according to the access technology of appointment in the PCC rule, and the PCEF in Access Network 2 sends RAR message, wherein includes new PCC rule;

Step 1105: the carrying that the PCEF in the Access Network 2 satisfies qos requirement in the PCC rule with PCC rule and this Access Network is carried out related, and carries out the PCC rule, and the business data flow implementation strategy is controlled with chargeing;

Step 1106: do not exist if satisfy the carrying of qos requirement in the PCC rule in the Access Network 2, then PCEF2 adopts the newly-built carrying that meets the demands;

Step 1107:PCEF1 returns RAA message to V-PCRF;

Step 1108:V-PCRF returns RAA message to PCRF;

Step 1109:PCRF returns AAA message to AF.

By the above embodiment of the invention method, the PCC framework can support the user by multiple access technology with same IP address access network, make PCRF can carry out more flexible strategies and the control of chargeing to the multimode terminal of access network.

For using the method for the foregoing description, need improve existing P CC framework, below be divided into two specific embodiments and be illustrated.

Fifth embodiment of the invention has provided a kind of PCC framework, specifically as shown in figure 12.PCRF1210 is used for determining the PCC rule, and determines to use the access technology of described PCC rule, generates the indication information that comprises described PCC rule and described access technology, and described indication information is issued to PCEF1220;

Described PCEF1220 is used to receive the indication information from PCRF1210, and extract PCC rule and access technology information from the indication information that is received, according to the access technology information that is extracted, match the carrying of using described access technology, and association is carried out in the described carrying of described PCC rule.

Roughly the same among each network functional entity and annexation thereof and Fig. 1 among Figure 12, just increase new functional module among PCRF wherein and the PCEF.

Wherein, PCRF 1210 comprises as lower module:

PCC rule determination module 1211 is used for determining the PCC rule; Specifically, this module arrives specific connection according to the business information that receives information and receive from AF from PCEF1220 with the AF session association, and signatory according to business information and user, and information such as operator's configuration generate also preserves new PCC rule.

Access technology determination module 1212, be used for according to user signing contract information, carrier policy, network state and business information, PCRF determines to carry out the access technology of professional transmission, determines to use the access technology of described PCC rule determination module 1211 determined PCC rules.

Issue module 1213, be used to generate the indication information that comprises described PCC rule and described access technology, and described indication information is issued to PCEF 1220.

PCEF 1220 comprises as lower module:

Receiver module 1221 is used to receive the indication information from PCRF 1210, and extracts PCC rule and access technology information (access technology information list) from the indication information that is received;

Access technology matching module 1222 is used for the access technology information that extracts according to described receiver module 1221, matches the carrying of using described access technology;

Relating module 1223 is used for PCC rule that described receiver module 1221 is extracted, carries out related with the carrying that described access technology matching module 1222 matches.

PCEF1220 can further include: module is set up in carrying, is used to set up the carrying of satisfying the certain quality of service requirement;

Then the access technology matching module 1222 of described PCEF further comprises: judging unit, be used for judging whether to exist the carrying of the quality of service requirement that satisfies described PCC rule, if do not exist, then notify described carrying to set up module and set up the carrying of satisfying described quality of service requirement.

PCEF1220 can also comprise access technology selection module, if receiver module 1221 extracts PCC rule and access technology information list from Indication message, then described access technology selects module from described access technology tabulation, according to information such as carrier policy, network state and/or business information, and select an access technology, and with selected access technology notice access technology matching module according to the sequencing of priority; Perhaps, access technology selects module also can make amendment to described access technology tabulation, for example increases or deletes selectable access technology.Then the access technology matching module is selected the selected access technology of module according to access technology, matches the carrying of using described access technology.

Sixth embodiment of the invention has provided another kind of PCC framework, and wherein, corresponding to each inserting technology networks, there is a PCEF respectively in the schematic diagram of this framework as shown in figure 13, and PCRF 1310 is connected with each PCEF respectively.PCRF1310 is used for determining the PCC rule; And definite access technology of using described PCC rule; According to determined access technology, the PCEF in the network of the described access technology of position application; With described PCC rule downloading to the PCEF that is located;

The PCEF of each inserting technology networks is used to receive the PCC rule from PCRF; Carry out the carrying in the inserting technology networks at described PCC rule and described PCEF place related.

PCRF 1310 comprises as lower module:

PCC rule determination module 1311 is used for determining the PCC rule;

Access technology determination module 1312 is used for definite access technology of using described PCC rule determination module 1311 determined PCC rules;

Access technology locating module 1313 is used for according to described access technology determination module 1313 determined access technologies, the PCEF in the network of the described access technology of position application;

Issue module 1314, be used for the PCEF that described PCC rule determination module 1313 determined PCC rule downloadings are located to described access technology locating module 1313.

PCEF1320 in the inserting technology networks 1 comprises as lower module:

Receiver module 1321 is used to receive the PCC rule from PCRF;

Relating module 1322 is used for carrying out related with the carrying of the inserting technology networks at described PCEF place described PCC rule.

PCEF is separately also arranged in inserting technology networks 2, the inserting technology networks 3, and its inner functional module is identical with PCEF1320.

Between PCRF 1310 and PCEF 1320, can further include a PCRF, for distinguishing mutually, claim that this PCRF is PCRF1330 with the PCRF1310 of front.The PCC rule that PCRF1330 is used for that PCRF1310 is issued is forwarded to the PCEF of corresponding inserting technology networks.If PCRF1310 issues is the access technology tabulation, and then PCRF1330 also is used for from the access technology tabulation that is received, and according to information such as carrier policy, network state and/or business information, and selects an access technology according to the sequencing of priority; Can also before selecting, described access technology tabulation be made amendment, for example increase or delete selectable access technology.

PCRF1310 can adopt the structure as the PCRF among Figure 12 1210, promptly only comprise PCC rule determination module 1311, access technology determination module 1313 and issue module 1314, issue the indication information that module 1314 will comprise the PCC rule and use the access technology information of this PCC rule and be issued to PCRF1330;

Comprise among the PCRF1330:

Receiver module is used to receive the indication information that comprises PCC rule and access technology, and extracts PCC rule and access technology information from described indication information;

The access technology locating module is used for the access technology information extracted according to described receiver module, the PCEF in the network of the described access technology of position application;

Issue module, the PCEF that the PCC rule downloading that is used for that described receiver module is extracted is located to described access technology locating module.

The access technology information that PCRF1310 is handed down to PCRF1330 may be to tabulate according to the access technology of priority arrangement, so PCRF1330 can further include:

Access technology is selected module, the access technology that is used for receiving from described receiver module is tabulated, according to information such as carrier policy, network state and/or business information, and select an access technology, and with selected access technology notice access technology locating module according to the sequencing of priority; Perhaps, access technology selects module also can make amendment to described access technology tabulation, for example increases or deletes selectable access technology.Then the access technology locating module is selected the selected access technology of module according to access technology, comes the PCRF in the network of the described access technology of position application.

The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.

Claims (12)

1. the implementation method of a strategy and charging control PCC rule and bearing association is characterized in that, comprises the steps:

The terminal of supporting multiple access technology is via first access technology and second access technology while access network, and two of being set up connect the same IP of use address;

Policy control and charging regulation function entity PCRF are signatory according to business information and user, and operator configuration information generates and preserves the PCC rule, and from described first access technology and second access technology, determine to use the access technology of described PCC rule;

The indication information that PCRF will comprise described PCC rule and determined access technology is issued to strategy and charging execution function entity PCEF;

PCEF judge to adopt described access technology, and whether the carrying of satisfying the quality of service requirement in the described PCC rule exist, if then select described carrying and described PCC rule association; Otherwise PCEF adopts described access technology to set up the carrying of satisfying described quality of service requirement, and with carrying and the described PCC rule association set up.

2. implementation method according to claim 1, it is characterized in that described PCRF determines that the access technology of using described PCC rule comprises: PCRF is identified for the access technology of transport service based at least a information in user signing contract information, carrier policy, network state and the business information.

3. implementation method according to claim 1 is characterized in that, described PCRF determines that the access technology of using described PCC rule comprises: described access technology is used at least one PCC rule.

4. according to claim 1,2 or 3 described implementation methods, it is characterized in that the access technology of the described PCC rule of described definite application is: use described PCC rule, and produce the access technology tabulation according to prioritization;

The carrying that described PCEF is corresponding with described PCC rule and described access technology is carried out related comprising: PCEF according to current network conditions and/or business information, from described access technology tabulation, select a kind of access technology, and the carrying that described PCC rule and selected access technology is corresponding is carried out related according to priority orders.

5. the realization system of a strategy and charging control PCC rule and bearing association, comprise policy control and charging regulation function entity PCRF and strategy and charging execution function entity PCEF, it is characterized in that, via first access technology and second access technology while access network, two of being set up connect the situation of using same IP address to described system applies in the terminal of supporting multiple access technology;

Described PCRF is used for according to business information and user signatory, operator configuration information generates and preserves the PCC rule, and from described first access technology and second access technology, determine to use the access technology of described PCC rule, generation comprises the indication information of described PCC rule and described access technology, and described indication information is issued to PCEF;

Described PCEF is used to receive the indication information from PCRF, and extract PCC rule and access technology information from the indication information that is received, judge and adopt described access technology, and whether the carrying of satisfying the quality of service requirement in the described PCC rule exists, if then select described carrying and described PCC rule association; Otherwise PCEF adopts described access technology to set up the carrying of satisfying described quality of service requirement, and with carrying and the described PCC rule association set up.

6. policy control and charging regulation function entity PCRF is characterized in that, comprising:

Strategy and charging control PCC rule determination module are used for contracting according to business information and user, and operator configuration information generates also preserves the PCC rule;

The access technology determination module is used for from first access technology and second access technology, determines to use the access technology of the determined PCC rule of described PCC rule determination module; Described first access technology and second access technology are two kinds of access technologies of the terminal while access network of the multiple access technology of support, and same IP addresses are used in two connections that described terminal is set up;

Issue module, be used to generate the indication information that comprises described PCC rule and described access technology, and externally send described indication information.

7. the implementation method of a strategy and charging control PCC rule and bearing association is characterized in that, comprises the steps:

Support the access network while access network of the terminal of multiple access technology via the access network of using first access technology and application second access technology, same IP address is used in two of being set up connection;

Policy control and charging regulation function entity PCRF receive and preserve the business information that application level function entity A F sends, and carry out PCC and make a strategic decision, generate the PCC rule, and from described first access technology and second access technology, determine to use the access technology of described PCC rule;

With the PCEF of described PCC rule downloading in the network of using described access technology, described strategy and charging execution function entity PCEF carry out the carrying in the inserting technology networks at described PCC rule and self place related.

8. implementation method according to claim 7 is characterized in that, the access technology of the described PCC rule of described definite application comprises:

According to user signing contract information, carrier policy, network state, or at least a information in the business information determines to use the access technology of described PCC rule.

9. implementation method according to claim 7 is characterized in that, described described PCC rule downloading is comprised to the PCEF in the network of using described access technology:

The indication information that described PCRF will comprise described PCC rule and described access technology is issued to another PCRF, and described another PCRF sends to described PCC rule the PCEF in the network of using described access technology.

10. implementation method according to claim 9 is characterized in that, the access technology indication information that comprises that described PCRF is issued to another PCRF is the indication information that comprises the access technology tabulation;

The PCEF that then described another PCRF sends to described PCC rule in the network of using described access technology comprises:

Described another PCRF is according to current network state and/or business information, according to a kind of access technology of the selective sequential of priority, and described PCC rule sent to PCEF in the selected inserting technology networks from described access technology tabulation.

11. the realization system of a strategy and charging control PCC rule and bearing association, comprise that policy control and charging regulation function entity PCRF and at least one are arranged in strategy and the charging execution function entity PCEF that uses specific inserting technology networks, it is characterized in that, described system applies is in the access network while access network of the terminal of supporting multiple access technology via the access network of using first access technology and application second access technology, and two of being set up connect the situation of using same IP address;

Described PCRF is used to receive and preserve the business information that application level function entity A F sends, and carries out the PCC decision-making, generates the PCC rule; And from described first access technology and second access technology, determine to use the access technology of described PCC rule; According to determined access technology, the PCEF in the network of the described access technology of position application; With described PCC rule downloading to the PCEF that is located;

Described PCEF is used to receive the PCC rule from PCRF; Carry out the carrying in the inserting technology networks at described PCC rule and described PCEF place related.

12. policy control and charging regulation function entity PCRF, it is characterized in that, support the access network while access network of the terminal of multiple access technology via the access network of using first access technology and application second access technology, same IP address is used in two of being set up connection;

Described PCRF comprises:

PCC rule determination module is used to receive and preserve the business information that application level function entity A F sends, and carries out the PCC decision-making, generates the PCC rule;

The access technology determination module is used for from described first access technology and second access technology, determines to use the access technology of the determined PCC rule of described PCC rule determination module;

The access technology locating module is used for according to the determined access technology of described access technology determination module, strategy in the network of the described access technology of position application and charging execution function entity PCEF;

Issue module, be used for the PCEF that the determined PCC rule downloading of described PCC rule determination module is located to described access technology locating module.

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