CN101459524B - Method for distributing policy charging control rule - Google Patents
Method for distributing policy charging control rule Download PDFInfo
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Abstract
The invention discloses a method for sending strategic accounting control rules, which is applied in a third generation partnership program evolution grouping system. If in appointed fixed time, the strategic accounting rule function does not receive the gateway control conversation establishment message that IP needing to establish by user equipment accesses into a network conversation within a given time after the strategic accounting rule function sends the established strategic accounting control rules to the data network gateway when the user equipment accesses into the third generation partnership program evolution grouping system, the established strategic accounting control rules are deleted and a data network gateway is noticed to delete the strategic accounting control rules sent by the strategic accounting rule function, or the strategic accounting rule function modifies the established strategic accounting control rules, and sends the strategic accounting control rules to the data network gateway.
Description
Technical field
The present invention relates to a kind of method of distributing control rule of policy billing, relate in particular to a kind of 3GPP (3rd Generation Partnership Project, third generation partner program) evolved packet system (Evolved Packet System, the method for distributing control rule of policy billing EPS).
Background technology
As shown in Figure 1, EPS is by E-UTRAN (Evolved Universal Terrestrial Radio AccessNetwork, the universal land radio access web of evolution), MME (mobile management unit, MobilityManagement Entity), S-GW (gateway, Serving Gateway), P-GW (PacketData Network GateWay, data network gateway), HSS (home subscriber server, HomeSubscriber Server), 3GPP aaa server (3GPP authentication and authorization charging server), PCRF (Policy and Charging Rules Function, "Policy and Charging Rules Function), reaching other supporting network element device forms.Wherein MME is responsible for the processing of mobile management, Non-Access Stratum signaling, user's chain of command related works such as the contextual management of mobile management; S-GW is the accessing gateway equipment that links to each other with E-UTRAN, transmits data between E-UTRAN and P-GW, and is responsible for pending datas such as paging are carried out buffer memory.P-GW then is the borde gateway of 3GPP evolved packet system and PDN (Packet Data Network, data network), is responsible for user terminal and transmits functions such as data to the access of PDN, between EPS and PDN.PCRF is the "Policy and Charging Rules Function entity, it is by Rx interface and operator's IP operation network interface, obtain business information, and link to each other with gateway device in the network by the S7/S7a/S7b/S7c interface, be responsible for initiating IP (Internet Protocol, Internet protocol) and carry strategic decision-making, foundation, deletion as carrying, the QoS of business datum/carrying (Quality OfService, service quality) etc., and the control of chargeing.
EPS supports the intercommunication with non-3GPP network.The intercommunication of EPS and non-3GPP network realizes that by the S2a/b/c interface P-GW is as 3GPP and the internetwork anchor point of non-3GPP.Wherein non-3GPP network is divided into non-3GPP network of trusted and the non-3GPP network of non-trust.The access of user terminal can be directly by S2a and P-GW interface in the non-3GPP network of trusted; The access of user terminal need be passed through ePDG (Evolved Packet Data Gateway, the data gateway of evolution) and links to each other with P-GW in the non-3GPP network of non-trust, and the interface between ePDG and P-GW is S2b.S2c is the interface between UE and the P-GW, adopts the DSMIPv6 agreement that control and mobile management are provided.
At traditional dynamic PCC of 3GPP network support (Policy and Charging Control, the strategy and the control of chargeing) time, strategy and charge execution function (Policy and charging enforcementfunction, be called for short PCEF) exist only among the P-GW, PCRF needs only the control that can finish all functions such as comprising QoS corresponding strategies and charging with the P-GW interface, passes through S7 interface exchange message between PCRF and P-GW.But, after the 3GPP network provides IWF with non-3GPP, interface when between P-GW and S-GW is based on PMIP (Proxy Mobile IP, proxy-mobile IP) during v6, because the limitation of PMIP interface, can not the transmission policy charge information, the partial function of PCEF, Cheng Zai binding function etc. for example, moved among the S-GW, be called bearing binding and event reporting function (BBERF, Bearer Binding and Event Reporting Function), pass through S7c interface exchange message between S-GW and the PCRF.When by the non-3GPP connecting system of trusted, the also resident BBERF in the trusted non-3 GPP access network Central Shanxi Plain.Pass through S7a interface exchange message between trusted non-3 GPP access network pass and the PCRF.When UE roamed, the S9 interface was as the interface of ownership place PCRF and visit ground PCRF.For providing professional AF (Application Function), UE sends the business information that is used to formulate the PCC rule to PCRF simultaneously by the Rx+ interface.For the non-3GPP network of non-trust, the function of part PCEF that ePDG is resident.
As shown in Figure 2, the attachment flow when passing through to adopt the PMIPv6 agreement to insert EPS between trusted non-3 GPP access network, P-GW and the trusted non-3 GPP access network pass for UE comprises the steps:
202:UE inserts the trusted non-3 GPP access network;
After 204:UE is linked into the trusted non-3 GPP access network, to HSS/AAA request carrying out EPS access authentication;
After 206:HSS/AAA receives the request of EPS access authentication, the UE of the request of sending is authenticated;
After 207:HSS/AAA finishes authentication to UE, close to the trusted non-3 GPP access network and to send the APN (APN) that the signatory P-GW of UE selects information and UE;
208: after the trusted non-3 GPP access network closes and receives P-GW selection information,, and, carry NAI (network access Identifier) and the APN of UE in the agent binding update messages to selected P-GW transmission agent binding update messages according to the selected P-GW of P-GW selection information;
After 210:P-GW receives agent binding update messages, send IP-CAN (IPConnectivity Access Network to PCRF, IP connects access network) session foundation indication, setting up the NAI, the P-GW that carry UE in the indication in the IP-CAN session is UE IP address allocated and APN;
212:PCRF receives after the IP-CAN session sets up indication, according to the NAI of UE and the CAMEL-Subscription-Information of APN inquiry UE, formulates the PCC rule according to the network strategy that disposes among user's CAMEL-Subscription-Information and the PCRF;
After 213:PCRF finishes the PCC Rulemaking, send the IP-CAN session to P-GW and set up acknowledge message, set up in this IP-CAN session and carry the PCC rule in the acknowledge message;
214:P-GW receives after the IP-CAN session sets up acknowledge message, installs also to carry out the IP-CAN session and set up the PCC rule of carrying in the acknowledge message, and the IP address with himself sends to HSS simultaneously;
216: and P-GW closes to the trusted non-3 GPP access network and returns proxy binding acknowledgment messages;
218: after the trusted non-3 GPP access network closes and receives proxy binding acknowledgment messages, send gateway control session to PCRF and set up request message, set up NAI and the APN that carries UE in the request message in gateway control session;
220:PCRF receives after gateway control session sets up request message, according to the NAI of UE and the CAMEL-Subscription-Information of APN inquiry UE, formulates qos policy according to the CAMEL-Subscription-Information that inquires;
After 222:PCRF finishes the QOS policy development, close the transmission gateway control session to the trusted non-3 GPP access network and set up acknowledge message, set up in gateway control session and carry the QOS strategy in the acknowledge message;
224: the trusted non-3 GPP access network closes and to receive after gateway control session sets up acknowledge message, and sets up the PMIPv6 tunnel between the P-GW, and UE can carry out data and send or accept, and this method finishes.
By said method, UE has set up an IP to the PDN network and has connected, and this IP connects and is called the IP-CAN session.Setting up a Diameter session respectively between P-GW and the PCRF and between trusted non-3 GPP access network pass and the PCRF, because the available technology adopting Diameter is set up this two connections, and these two Diameter sessions are relevant with the IP-CAN session that UE sets up, and PCRF issues the regular and QoS rule of PCC of this IP-CAN session being carried out strategy and charging control by these two Diameter sessions to P-GW and trusted non-3 GPP access network pass.
As shown in Figure 3, be the attachment flow figure of UE when adopting GTP (GPRS Tunnel Protocol, tunnel protocol) between E-UTRAN and P-GW and the S-GW, this method comprises following steps:
301:UE sends Attach Request message to MME;
After 302:MME receives Attach Request message, UE is authenticated, behind the authentication success, initiate more new technological process of position, HSS sends to MME with the subscription data of UE;
In the process that UE is authenticated, MME exchanges authentication-related information with HSS as required.
304: in verification process, the HSS P-GW selection information that UE is signatory sends to MME, and MME selects Information Selection P-GW and S-GW according to P-GW;
Behind selected P-GW of 305:MME and the S-GW, send the default bearing request of setting up to selected S-GW;
306:S-GW receives that MME sends set up the default bearing request after, transmit this to P-GW and set up the default bearing request;
308:P-GW receives that S-GW transmits set up the default bearing request after, send the IP-CAN session to PCRF and set up indication, setting up the NAI, the P-GW that carry UE in the indication in the IP-CAN session is its IP address allocated and its APN;
310:PCRF receives after the IP-CAN session sets up indication, according to the NAI of UE and the CAMEL-Subscription-Information of APN inquiry UE, formulates the PCC rule according to the network strategy that disposes among user's CAMEL-Subscription-Information and the PCRF;
After 311:PCRF finishes the formulation of PCC rule, send the IP-CAN session to P-GW and set up acknowledge message, set up in this IP-CAN session and carry the PCC rule in the acknowledge message;
312:P-GW receives after the IP-CAN session sets up acknowledge message, returns to S-GW and sets up the default bearing response message;
314:S-GW receives that P-GW sends set up the default bearing response message after, transmit this to MME and set up the default bearing response message;
316:MME receives that S-GW sends set up the default bearing response message after, initiate to set up radio bearer, and notice UE adheres to successfully;
After 318:MME notice UE adheres to successfully, initiate bearer update, radio bearer information is sent to S-GW;
After 320:S-GW receives radio bearer information, set up RAB with UE, set up GTP tunnel with P-GW, UE can carry out the data transmission or accept, and this method finishes.
Pass through said method, UE and a PDN have set up the IP-CAN session, set up the Diameter session between P-GW and the PCRF, this Diameter session is relevant with the IP-CAN session that UE sets up, and PCRF issues to P-GW by this Diameter session above-mentioned IP-CAN session is carried out strategy and the PCC rule of the control of chargeing.
The attachment flow that inserts EPS by above-mentioned two kinds of UE as can be known, when UE closes by the trusted non-3 GPP access network and adopts PMIPv6 to insert, PCRF needs and P-GW carries out alternately, give P-GW with the PCC rule downloading, and, PCRF also will close with the trusted non-3 GPP access network and carry out alternately, closes to the trusted non-3 GPP access network QOS policy distribution; And UE is when inserting EPS by adopting the GTP agreement between E-UTRAN and S-GW and the P-GW, and PCRF only needs carry out alternately with P-GW, issues the PCC rule to it.
Hence one can see that, when UE closes by the trusted non-3 GPP access network and adopts PMIPv6 to insert, under following two kinds of situations, will cause trusted non-3 GPP access network pass and the P-GW mismatch to the policy and charging control of business data flow.
(1) trusted non-3 GPP access network and 3GPP network are all supported dynamic PCC, PCRF receives the IP-CAN session of P-GW and sets up Indication message, finish the formulation of PCC rule and be handed down to P-GW, P-GW finishes the installation of PCC rule, and the link between trusted non-3 GPP access network pass and the PCRF causes PCRF not close to the trusted non-3 GPP access network thus and issue corresponding QoS rule because failure and other reasons is closed the trusted non-3 GPP access network and the gateway control session request message can't be sent to PCRF.At this moment, trusted non-3 GPP access network pass QoS rule that will issue according to HSS/AAA or pre-configured is controlled the access of UE.What P-GW and trusted non-3 GPP access network closed execution in this case is unmatched strategy.
(2) do not support dynamic PCC in trusted non-3 GPP access network pass, and during the dynamic PCC of 3GPP network support, equally, PCRF can be with the PCC rule downloading to P-GW, close and qos policy can't be issued to the trusted non-3 GPP access network, cause P-GW and trusted non-3 GPP access network to close and carry out unmatched strategy.
In the above two kinds of cases, trusted non-3 GPP access network pass and the P-GW mismatch to the policy and charging control of business data flow can take place all, cause the confusion of network.
When adopting the GTP agreement between UE is by E-UTRAN access and S-GW and P-GW, PCRF is only mutual with P-GW, therefore can not produce the situation of mismatch.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of when UE inserts 3GPP EPS, issues the method for the control rule of policy billing between network element.
For solving the problems of the technologies described above, the method of a kind of distributing control rule of policy billing of the present invention, be applied in the third generation partner program evolved packet system, when subscriber equipment inserts third generation partner program evolved packet system, after "Policy and Charging Rules Function is issued to data network gateway with the strategy of its formulation and charging control rule, specify in the timing one, if "Policy and Charging Rules Function does not receive and connects the relevant gateway control session of access to network conversation with the IP of the required foundation of this subscriber equipment and set up message, then delete the strategy of its formulation and charging control rule and notification data network gateway deletion strategy and charging rule functions to its strategy that issues and charging control rule; Or "Policy and Charging Rules Function is revised the strategy of its formulation and charging control rule and amended strategy and charging control rule is issued to data network gateway.
Further, when subscriber equipment inserts in the third generation partner program evolved packet system by the non-third generation partner program of trusted Access Network, if "Policy and Charging Rules Function does not receive the gateway control session that the non-third generation partner program of trusted IAD sends and sets up message, then delete the strategy of its formulation and charging control rule and notification data network gateway deletion strategy and charging rule functions to its strategy that issues and charging control rule; Or "Policy and Charging Rules Function is revised the strategy of its formulation and charging control rule and amended strategy and charging control rule is issued to data network gateway.
Further, when subscriber equipment inserts in the third generation partner program evolved packet system at the universal land radio access web of visited network by evolution, if "Policy and Charging Rules Function does not receive the gateway control session that gateway sends and sets up message, then delete the strategy of its formulation and charging control rule and notification data network gateway deletion strategy and charging rule functions to its strategy that issues and charging control rule; Or "Policy and Charging Rules Function is revised the strategy of its formulation and charging control rule and amended strategy and charging control rule is issued to data network gateway.
Further, when subscriber equipment inserts in the third generation partner program evolved packet system by the non-third generation partner program of non-trust Access Network, if "Policy and Charging Rules Function does not receive the gateway control session that the data gateway of evolution sends and sets up message, then delete the strategy of its formulation and charging control rule and notification data network gateway deletion strategy and charging rule functions to its strategy that issues and charging control rule; Or "Policy and Charging Rules Function is revised the strategy of its formulation and charging control rule and amended strategy and charging control rule is issued to data network gateway.
Further, "Policy and Charging Rules Function gives information by sending policy charging rule to data network gateway, and notification data network gateway deletion strategy and charging rule functions are issued to data network gateway to its strategy that issues and charging control rule or with amended strategy and charging control rule.
Further, receive after policy charging rule that "Policy and Charging Rules Function sends gives information at data network gateway, send IP to "Policy and Charging Rules Function and connect access to network conversation termination Indication message, after "Policy and Charging Rules Function receives IP connection access to network conversation termination Indication message, return IP to data network gateway and connect access to network conversation terminate-ack message, remove the Diameter session between "Policy and Charging Rules Function and the data network gateway.
Further, "Policy and Charging Rules Function is the "Policy and Charging Rules Function of home network.
Further, a kind of method of distributing control rule of policy billing, be applied in the third generation partner program evolved packet system, when subscriber equipment inserts in the third generation partner program evolved packet system, after "Policy and Charging Rules Function is set up the rules for quality of service that acknowledge message issues its formulation by gateway control session, specify in the timing one, if "Policy and Charging Rules Function does not receive and connects the relevant IP of access to network conversation with the IP of the required foundation of subscriber equipment and connect access to network conversation and set up Indication message, then delete the rules for quality of service of its formulation and network element deletion strategy that notice reception gateway control session is set up acknowledge message and charging rule functions to its above-mentioned rules for quality of service that issues; Or "Policy and Charging Rules Function is revised the rules for quality of service of its formulation and amended rules for quality of service is issued to the network element that the reception gateway control session is set up acknowledge message.
Further, subscriber equipment inserts in the third generation partner program evolved packet system by the non-third generation partner program of the trusted Access Network of access zone network; "Policy and Charging Rules Function is set up acknowledge message by gateway control session rules for quality of service is issued to the non-third generation partner program of this trusted IAD; In specifying timing, "Policy and Charging Rules Function does not receive IP that data network gateway sends and connects access to network conversation and set up Indication message, then deletes the rules for quality of service of its formulation and notice and receives described gateway control session and set up the network element deletion strategy of acknowledge message and charging rule functions to its above-mentioned rules for quality of service that issues; Or "Policy and Charging Rules Function is revised the rules for quality of service of its formulation and amended rules for quality of service is issued to the network element that the described gateway control session of reception is set up acknowledge message.
Further, "Policy and Charging Rules Function is the "Policy and Charging Rules Function of access zone network, and data network gateway is the data network gateway of home network.
In sum, by the PCC redundant rule elimination in the network element that will carry out the PCC Policy Updates, realize itself and the issuing of PCC rule of the network element that can't carry out the PCC Policy Updates,, avoided different network elements to carry out the generation of the situation of different PCC rules for same IP-CAN session.
Description of drawings
Fig. 1 is the system architecture diagram of EPS;
Fig. 2 is the flow chart that UE inserts EPS in the prior art by the non-3GPP IP of trusted Access Network, employing PMIPv6 agreement;
Fig. 3 is that UE adopts the GTP agreement to insert the flow chart of EPS by E-UTRAN, between S-GW and P-GW in the prior art;
Fig. 4 is the application scenarios schematic diagram of the embodiment of the invention one;
Fig. 5 is the flow chart of the embodiment of the invention one;
Fig. 6 is the schematic diagram of the application scenarios of the embodiment of the invention two;
Fig. 7 is the flow chart of the embodiment of the invention two;
Fig. 8 is the schematic diagram of the application scenarios of the embodiment of the invention three;
Fig. 9 is the flow chart of the embodiment of the invention three;
Figure 10 is the flow chart of the embodiment of the invention four.
Embodiment
Be elaborated below in conjunction with the embodiment of accompanying drawing to invention:
Embodiment one
As shown in Figure 4, be the application scenarios schematic diagram of embodiment one, wherein, UE is under the non-roaming state, inserts by the non-3GPP IP of trusted Access Network, employing PMIPv6 agreement; The dynamic PCC of 3GPP network support, and the non-3GPP IP of trusted Access Network is not supported dynamic PCC.
As shown in Figure 5, be the flow chart of embodiment one method, this method comprises following steps:
502:UE inserts the trusted non-3 GPP access network;
After 504:UE is linked into the trusted non-3 GPP access network, to HSS/AAA request carrying out EPS access authentication;
After 506:HSS/AAA receives the request of EPS access authentication, the UE of the request of sending is authenticated;
After 507:HSS/AAA finishes authentication to UE, close to the trusted non-3 GPP access network and to send the signatory P-GW of UE and select information;
508: after the trusted non-3 GPP access network closes and receives P-GW selection information,, and, carry NAI and the APN of UE in the agent binding update messages to selected P-GW transmission agent binding update messages according to the selected P-GW of P-GW selection information;
After 510:P-GW receives agent binding update messages, send the IP-CAN session to PCRF and set up indication, setting up the NAI, the P-GW that carry UE in the indication in the IP-CAN session is UE IP address allocated and APN and mobility management protocol sign, and this mobility management protocol sign adopts the PMIPv6 agreement to insert to PCRF indication UE;
512:PCRF receives after the IP-CAN session sets up indication, according to the NAI of UE and the CAMEL-Subscription-Information of APN inquiry UE, formulates the PCC rule according to the network strategy that disposes among user's CAMEL-Subscription-Information and the PCRF;
After 513:PCRF finishes the PCC Rulemaking, send the IP-CAN session to P-GW and set up acknowledge message, set up in this IP-CAN session and carry the PCC rule in the acknowledge message;
After 514:PCRF finishes the IP-CAN session and sets up the transmission of acknowledge message, judge that according to the mobility management protocol sign UE adopts the PMIPv6 agreement to insert, start timer, timer picks up counting;
This timer was used for the maximum timing stand-by period of interactive setup between PCRF and the trusted non-3 GPP access network pass.
516:P-GW receives after the IP-CAN session sets up acknowledge message, and himself IP address is sent to HSS;
518: and P-GW closes to the trusted non-3 GPP access network and returns proxy binding acknowledgment messages;
520: PCRF does not receive that deletion was by the PCC rule of this IP-CAN session of its formulation when the gateway control session of trusted non-3 GPP access network pass transmission was set up message in timing;
The overtime explanation of timing PCRF and trusted non-3 GPP access network in the timing of appointment close can't set up effectively mutual.
After PCRF deletes the PCC rule of this IP-CAN session of its formulation, PCRF will not preserve the context of this IP-CAN session.
PCRF does not receive when the gateway control session of trusted non-3 GPP access network pass transmission is set up message in timing, also can make amendment to the PCC rule of its formulation, and be the PCC rule of an appointment thereby make the PCC rule among the PCRF.
After the 522:PCRF deletion PCC rule, send policy charging rule to P-GW and give information, delete the PCC rule that it receives from PCRF by this message informing P-GW;
P-GW will carry out its initial predefine PCC rule after deleting its PCC rule that receives from PCRF.
When the PCRF employing is made amendment to the PCC rule, then in giving information, carries policy charging rule its amended PCC rule, and notice P-GW installs, carries out this PCC rule.
524:P-GW receives after policy charging rule gives information, and deletes the PCC rule that the PCRF that carries out on it issues, and carries out its predefine PCC rule;
When the PCRF employing is made amendment to the PCC rule, during giving information, policy charging rule carries amended PCC rule, then P-GW receives after policy charging rule gives information, and the amended PCC rule of PCRF that this policy charging rule carries in giving information is installed.
526:P-GW returns policy charging rule to PCRF acknowledge message is provided after deleting on it PCC rule that the PCRF that carries out issues;
After 528:P-GW finishes policy charging rule the transmission of acknowledge message is provided, send the IP-CAN session to PCRF and stop Indication message, notice PCRF removes the Diameter session between itself and the PCRF;
530:PCRF returns IP-CAN session terminate-ack message to P-GW after receiving IP-CAN session termination Indication message, removes the Diameter session between PCRF and the P-GW, and this method finishes.
When UE under the roaming condition of local route, by the non-3GPP IP of the trusted Access Network on visit ground, when adopting the PMIPv6 agreement to insert, if the dynamic PCC of home network support of UE, and access zone network is not when supporting dynamic PCC, the method that issues flow process and present embodiment to control rule of policy billing is similar, does not repeat them here.
When UE under non-roaming or roaming condition, by the non-3GPP IP of trusted Access Network, when adopting the PMIPv6 agreement to insert, if 3GPP network and non-3GPP IP Access Network are all supported dynamic PCC, but because failure and other reasons can't make PCRF and non-3GPP IP Access Network carry out when mutual, the method that issues flow process and present embodiment to control rule of policy billing is similar, does not repeat them here.
Embodiment two
As shown in Figure 6, schematic diagram for the application scenarios of the embodiment of the invention two, when UE under the roaming scence of local route, EPS when adopting the PMIPv6 agreement to insert between E-UTRAN and S-GW and the P-GW, the dynamic PCC of UE home network support wherein, and access zone network is not supported dynamic PCC.
As shown in Figure 7, be the flow chart of the embodiment of the invention two, this method comprises following steps:
701:UE sends Attach Request message to MME;
After 702:MME receives Attach Request message, UE is authenticated, behind the authentication success, initiate more new technological process of position, HSS sends to MME with the subscription data of UE;
In the process that UE is authenticated, MME exchanges authentication-related information with HSS as required.
704: in verification process, the HSS P-GW selection information that UE is signatory sends to MME, and MME selects Information Selection P-GW and S-GW according to P-GW;
Behind selected P-GW of 705:MME and the S-GW, send the default bearing request of setting up to selected S-GW;
After 706:S-GW receives and sets up the default bearing request, set up agent binding update messages to the P-GW transmission;
After 708:P-GW receives and sets up agent binding update messages, send the IP-CAN session to PCRF and set up indication, setting up the NAI, the P-GW that carry UE in the indication in the IP-CAN session is its IP address allocated, its APN and mobility management protocol sign, and this mobility management protocol sign adopts the PMIPv6 agreement between PCRF indication UE is by E-UTRAN access and S-GW and P-GW;
710:PCRF receives after the IP-CAN session sets up indication, according to the NAI of UE and the CAMEL-Subscription-Information of APN inquiry UE, formulates the PCC rule according to the network strategy that disposes among user's CAMEL-Subscription-Information and the PCRF;
After 711:PCRF finishes the formulation of PCC rule, send the IP-CAN session to P-GW and set up acknowledge message, set up in this IP-CAN session and carry the PCC rule in the acknowledge message;
After 712:PCRF finishes the IP-CAN session and sets up the transmission of acknowledge message, according to the mobility management protocol sign, judge UE be by E-UTRAN insert and S-GW and P-GW between adopt the PMIPv6 agreement, PCRF starts timer, timer picks up counting;
This timer was used for the maximum timing stand-by period of the interactive setup between PCRF and the S-GW.
714:P-GW receives after the IP-CAN session sets up acknowledge message, returns agent binding to S-GW and confirms;
After 716:S-GW receives proxy binding acknowledgment messages, return to MME and to set up default bearing and reply;
After 718:MME receives and sets up default bearing and reply, initiate to set up radio bearer, and notice UE adheres to successfully;
After 720:MME notice UE adheres to successfully, initiate bearer update, radio bearer information is sent to S-GW;
722: PCRF does not receive that deletion was by the PCC rule of this IP-CAN session of its formulation when the gateway control session of S-GW transmission was set up message in timing;
The overtime explanation of timing PCRF and S-GW in the timing of appointment can't set up effectively mutual.
After PCRF deletes the PCC rule of this IP-CAN session of its formulation, PCRF will not preserve the context of this IP-CAN session.
PCRF does not receive when the gateway control session of S-GW transmission is set up message in timing, also can make amendment to the PCC rule of its formulation, and be the PCC rule of an appointment thereby make the PCC rule among the PCRF.
After the 724:PCRF deletion PCC rule, send policy charging rule to P-GW and give information, delete the PCC rule that it receives from PCRF by this message informing P-GW;
After PCC deleted its PCC rule that receives from PCRF, P-GW will carry out its initial predefine PCC rule.
When the PCRF employing is made amendment to the PCC rule, then in giving information, carries policy charging rule its amended PCC rule, and notice P-GW installs, carries out this PCC rule.
726, P-GW receives after policy charging rule gives information, and deletes the PCC rule that the PCRF that carries out on it issues, and carries out its predefine PCC rule;
When the PCRF employing is made amendment to the PCC rule, during giving information, policy charging rule carries amended PCC rule, then P-GW receives after policy charging rule gives information, and installs and carry out the amended PCC rule of PCRF that this policy charging rule carries in giving information.
727:P-GW returns policy charging rule to PCRF acknowledge message is provided after deleting on it PCC rule that the PCRF that carries out issues;
728, after P-GW finishes policy charging rule the transmission of acknowledge message is provided, send the IP-CAN session to PCRF and stop Indication message, notice PCRF removes the Diameter session between itself and the PCRF;
730, after PCRF receives IP-CAN session termination Indication message, return IP-CAN session terminate-ack message to P-GW, remove the Diameter session between PCRF and the P-GW, this method finishes.
When UE under the roaming scence of local route, by adopting the PMIPv6 agreement to insert between E-UTRAN and S-GW and the P-GW, wherein home network and access zone network are all supported dynamic PCC, but gateway control session is set up request message because certain reason can't send to PCRF, its handling process and present embodiment are similar, repeat no more here.
Embodiment three
As shown in Figure 8, be the schematic diagram of the embodiment of the invention three applied scene, when UE under the roaming scence of local route, by the trusted non-3 GPP access network and when adopting the DSMIPv6 agreement to insert, wherein the UE home network is not supported dynamic PCC, and the dynamic PCC of access zone network support.
As shown in Figure 9, be the flow chart of the embodiment of the invention three, this method comprises following steps:
901:UE inserts the trusted non-3 GPP access network;
After 902:UE is linked into the trusted non-3 GPP access network, to HSS/AAA request carrying out EPS access authentication;
904: behind the authentication success, UE and trusted non-3 GPP access network close to be consulted, and decision adopts the DSMIPv6 agreement to insert, and the trusted non-3 GPP access network closes and is UE distribution CoA (Care-of Address);
906: after finishing the CoA distribution, the trusted non-3 GPP access network closes to vPCRF transmission gateway control session sets up message, set up NAI, CoA and the mobility management protocol sign that carries UE in the message in this gateway control session, this mobility management protocol sign adopts the DSMIPv6 agreement to insert to vPCRF indication UE;
908:vPCRF receives after gateway control session sets up message, judges that according to the mobility management protocol sign UE adopts the DSMIPv6 agreement to insert, and then judges that according to the NAI of UE and roaming agreement configuration information the home network of UE do not support dynamic PCC;
909:vPCRF formulates the QoS rule according to local policy after judging that the home network of UE is not supported dynamic PCC, and is handed down to trusted non-3 GPP access network pass;
910: after finishing the issuing of QOS rule, vPCRF starts timer, waits for the IP-CAN session interaction with P-GW;
After vPCRF finishes issuing of QOS rule because this moment, UE did not also select P-GW, then vPCRF can't judge P-GW that UE will select at access zone network still at home network, so vPCRF starts timer at this moment and waits for mutual with P-GW.
912: simultaneously, UE carries out the IP address that DNS inquiry obtains the P-GW that will insert according to APN, and this P-GW is arranged in the home network of UE, and UE and this P-GW that will insert set up Security Association, acquisition home address (HoA);
After 914:UE and P-GW set up Security Association, send the Binding Update request message, in this Binding Update request message, carry HoA and CoA to P-GW;
916:P-GW returns binding acknowledgement to UE after receiving the Binding Update request message;
918: PCRF does not receive that deletion was by the QOS rule of this IP-CAN session of its formulation when Indication message was set up in the IP-CAN session of P-GW transmission in timing;
The overtime explanation of timing PCRF and P-GW in the timing of appointment can't set up effectively mutual.
After PCRF deletes the QOS rule of this IP-CAN session of its formulation, PCRF will not preserve the context of this IP-CAN session.
PCRF does not receive when Indication message is set up in the IP-CAN session of P-GW transmission in timing, also can make amendment to the QOS rule of its formulation, and be the QOS rule of an appointment thereby make the QOS rule among the PCRF.
After the 920:PCRF deletion QOS rule, give information, close its QOS rule that receives from PCRF of deletion by this message informing trusted non-3 GPP access network to trusted non-3 GPP access network pass transmission gateway control and qos policy rule;
When PCRF adopts when the QOS rule made amendment, then in giving information, gateway control and qos policy rule carry its amended QOS rule, and notice trusted non-3 GPP access network closes installs, carries out this QOS rule.
922: the trusted non-3 GPP access network closes and to receive after gateway control and qos policy rule give information, and deletes the QOS rule that the PCRF of execution it on issues, and carries out its predefine QOS rule;
When the PCRF employing is made amendment to the QOS rule, during giving information, gateway control and qos policy rule carry amended QOS rule, then the trusted non-3 GPP access network closes and to receive after gateway control and qos policy rule give information, and the amended QOS rule of PCRF that this gateway control and qos policy rule are carried in giving information is installed.
924: after the trusted non-3 GPP access network closes the QOS rule that its PCRF that goes up execution of deletion issues, return gateway control and the qos policy rule provides acknowledge message to PCRF;
926: the trusted non-3 GPP access network sends gateway control session to PCRF and stops Indication message after closing and finishing gateway control and QOS policy charging rule the transmission of acknowledge message is provided, notice PCRF its will remove and PCRF between the Diameter session;
928:PCRF returns gateway control session terminate-ack message to trusted non-3 GPP access network pass after receiving gateway control session termination Indication message, removes the Diameter session between PCRF and the trusted non-3 GPP access network pass, and this method finishes.
Embodiment four
What present embodiment was described is to work as UE under non-roaming situation, inserts the flow process of EPS by non-trust non-3 GPP access network and employing PMIPv6 agreement.Owing to do not have interface between ePDG and the PCRF, can't carry out mutual between ePDG and the PCRF, after PCRF gives P-GW with the PCC rule downloading, because PCRF can't be mutual with ePDG, therefore can't issue the PCC rule to ePDG, thereby cause P-GW and ePDG mismatch the policy and charging control of business data flow.
As shown in figure 10, the flow chart of present embodiment, this method comprises following steps:
1001:UE initiates the foundation of ipsec tunnel to ePDG according to the IKEv2 agreement;
1002:ePDG and AAA are mutual, finish EAP (Extensible Authentication Protocol) authentication;
1004: after finishing the EAP authentication, ePDG sends agent binding update messages to P-GW;
After 1006:P-GW receives agent binding update messages, send the IP-CAN session to PCRF and set up indication, setting up the NAI, the P-GW that carry UE in the indication in the IP-CAN session is APN and the mobility management protocol sign of UE IP address allocated, UE, and this mobility management protocol sign adopts the PMIPv6 agreement to insert to PCRF indication UE;
1008:PCRF receives after the IP-CAN session sets up indication, according to the NAI of UE and the CAMEL-Subscription-Information of APN inquiry UE, formulates the PCC rule according to the network strategy that disposes among user's CAMEL-Subscription-Information and the PCRF;
After 1009:PCRF finishes the PCC Rulemaking, send the IP-CAN session to P-GW and set up acknowledge message, set up in this IP-CAN session and carry the PCC rule in the acknowledge message;
After 1010:PCRF finishes the IP-CAN session and sets up the transmission of acknowledge message, according to the mobility management protocol indication, judge that UE adopts the PMIPv6 agreement to insert, start timer, timer picks up counting;
This timer was used for the maximum timing stand-by period of the interactive setup between PCRF and the ePDG.
1012:P-GW receives after the IP-CAN session sets up acknowledge message, and himself IP address is sent to HSS;
1014: simultaneously, P-GW returns proxy binding acknowledgment messages to ePDG;
1016:ePDG receives the ipsec tunnel of setting up after the proxy binding acknowledgment messages with UE;
1018: simultaneously, the IP address of ePDG configuration UE;
1020: PCRF does not receive that deletion was by the PCC rule of this IP-CAN session of its formulation when the gateway control session of ePDG transmission was set up message in timing;
Because ePDG and PCRF do not carry out alternately, so PCRF can not receive from the gateway control session of ePDG and set up message that after timer surpassed, PCRF promptly deleted the PCC rule by this IP-CAN session of its formulation.
After PCRF deletes the PCC rule of this IP-CAN session of its formulation, PCRF will not preserve the context of this IP-CAN session.
PCRF does not receive when the gateway control session of ePDG transmission is set up message in timing, also can make amendment to the PCC rule of its formulation, and be the PCC rule of an appointment thereby make the PCC rule among the PCRF.
After the 1022:PCRF deletion PCC rule, send policy charging rule to P-GW and give information, delete the PCC rule that it receives from PCRF by this message informing P-GW;
After PCC deleted its PCC rule that receives from PCRF, P-GW will carry out its initial predefine PCC rule.
When the PCRF employing is made amendment to the PCC rule, then in giving information, carries policy charging rule its amended PCC rule, and notice P-GW installs, carries out this PCC rule.
1024:P-GW receives after policy charging rule gives information, and deletes the PCC rule that the PCRF that carries out on it issues, and carries out its predefine PCC rule;
When the PCRF employing is made amendment to the PCC rule, during giving information, policy charging rule carries amended PCC rule, then P-GW receives after policy charging rule gives information, and the amended PCC rule of PCRF that this policy charging rule carries in giving information is installed.
1026:P-GW returns policy charging rule to PCRF acknowledge message is provided after deleting on it PCC rule that the PCRF that carries out issues;
After 1028:P-GW finishes policy charging rule the transmission of acknowledge message is provided, send the IP-CAN session to PCRF and stop Indication message, notice PCRF removes the Diameter session between itself and the PCRF;
1030:PCRF returns IP-CAN session terminate-ack message to P-GW after receiving IP-CAN session termination Indication message, removes the Diameter session between PCRF and the P-GW, and this method finishes.
UE is under roaming scence, and the attachment flow when inserting by non-trust non-3 GPP access network and employing PMIPv6 agreement similarly repeats no more.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (10)
1. the method for a distributing control rule of policy billing, be applied in the third generation partner program evolved packet system, it is characterized in that, when subscriber equipment inserts third generation partner program evolved packet system, after "Policy and Charging Rules Function is issued to data network gateway with the strategy of its formulation and charging control rule, specify in the timing one, if "Policy and Charging Rules Function does not receive and connects the relevant gateway control session of access to network conversation with the IP of the required foundation of this subscriber equipment and set up message, then delete the strategy of its formulation and charging control rule and notification data network gateway deletion strategy and charging rule functions to its strategy that issues and charging control rule; Or "Policy and Charging Rules Function is revised the strategy of its formulation and charging control rule and amended strategy and charging control rule is issued to data network gateway.
2. the method for distributing control rule of policy billing as claimed in claim 1, it is characterized in that, when subscriber equipment inserts in the third generation partner program evolved packet system by the non-third generation partner program of trusted Access Network, if described "Policy and Charging Rules Function does not receive the gateway control session that the non-third generation partner program of trusted IAD sends and sets up message, then delete the strategy of its formulation and charging control rule and notification data network gateway deletion strategy and charging rule functions to its strategy that issues and charging control rule; Or "Policy and Charging Rules Function is revised the strategy of its formulation and charging control rule and amended strategy and charging control rule is issued to data network gateway.
3. the method for distributing control rule of policy billing as claimed in claim 1, it is characterized in that, when subscriber equipment inserts in the third generation partner program evolved packet system at the universal land radio access web of visited network by evolution, if described "Policy and Charging Rules Function does not receive the gateway control session that gateway sends and sets up message, then delete the strategy of its formulation and charging control rule and notification data network gateway deletion strategy and charging rule functions to its strategy that issues and charging control rule; Or "Policy and Charging Rules Function is revised the strategy of its formulation and charging control rule and amended strategy and charging control rule is issued to data network gateway.
4. the method for distributing control rule of policy billing as claimed in claim 1, it is characterized in that, when subscriber equipment inserts in the third generation partner program evolved packet system by the non-third generation partner program of non-trust Access Network, if described "Policy and Charging Rules Function does not receive the gateway control session that the data gateway of evolution sends and sets up message, then delete the strategy of its formulation and charging control rule and notification data network gateway deletion strategy and charging rule functions to its strategy that issues and charging control rule; Or "Policy and Charging Rules Function is revised the strategy of its formulation and charging control rule and amended strategy and charging control rule is issued to data network gateway.
5. the method for distributing control rule of policy billing as claimed in claim 1, it is characterized in that, "Policy and Charging Rules Function gives information by sending policy charging rule to data network gateway, and notification data network gateway deletion strategy and charging rule functions are issued to data network gateway to its strategy that issues and charging control rule or with amended strategy and charging control rule.
6. the method for distributing control rule of policy billing as claimed in claim 5, it is characterized in that, receive after policy charging rule that "Policy and Charging Rules Function sends gives information at data network gateway, send IP to "Policy and Charging Rules Function and connect access to network conversation termination Indication message, after "Policy and Charging Rules Function receives IP connection access to network conversation termination Indication message, return IP to data network gateway and connect access to network conversation terminate-ack message, remove the Diameter session between "Policy and Charging Rules Function and the data network gateway.
7. the method for distributing control rule of policy billing as claimed in claim 1 is characterized in that, described "Policy and Charging Rules Function is the "Policy and Charging Rules Function of home network.
8. the method for a distributing control rule of policy billing, be applied in the third generation partner program evolved packet system, it is characterized in that, when subscriber equipment inserts in the third generation partner program evolved packet system, after "Policy and Charging Rules Function is set up the rules for quality of service that acknowledge message issues its formulation by gateway control session, specify in the timing one, if "Policy and Charging Rules Function does not receive and connects the relevant IP of access to network conversation with the IP of the required foundation of described subscriber equipment and connect access to network conversation and set up Indication message, then delete the rules for quality of service of its formulation and network element deletion strategy that the described gateway control session of notice reception is set up acknowledge message and charging rule functions to its above-mentioned rules for quality of service that issues; Or "Policy and Charging Rules Function is revised the rules for quality of service of its formulation and amended rules for quality of service is issued to the network element that the described gateway control session of reception is set up acknowledge message.
9. the method for distributing control rule of policy billing as claimed in claim 8 is characterized in that,
Described subscriber equipment inserts in the third generation partner program evolved packet system by the non-third generation partner program of the trusted Access Network of access zone network;
Described "Policy and Charging Rules Function is set up acknowledge message by gateway control session described rules for quality of service is issued to the non-third generation partner program of trusted IAD;
In specifying timing, described "Policy and Charging Rules Function does not receive IP that data network gateway sends and connects access to network conversation and set up Indication message, then delete the rules for quality of service of its formulation and notify the non-third generation partner program of trusted IAD deletion strategy and charging rule functions to its above-mentioned rules for quality of service that issues; Or "Policy and Charging Rules Function is revised the rules for quality of service of its formulation and amended rules for quality of service is issued to the non-third generation partner program of trusted IAD.
10. the method for distributing control rule of policy billing as claimed in claim 9 is characterized in that, described "Policy and Charging Rules Function is the "Policy and Charging Rules Function of access zone network, and described data network gateway is the data network gateway of home network.
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| WO2010148551A1 (en) * | 2009-06-22 | 2010-12-29 | 华为技术有限公司 | Policy information processing method, device and system |
| CN101990254B (en) * | 2009-07-30 | 2013-07-03 | 中兴通讯股份有限公司 | Policy and charging control method as well as policy control and charging rule functional entities |
| US8972553B2 (en) * | 2009-08-10 | 2015-03-03 | Qualcomm Incorporated | Method and apparatus for handling policy and charging control rule or quality of service rule modification failures |
| CN102387063B (en) * | 2010-08-30 | 2015-10-21 | 中兴通讯股份有限公司 | Processing method during a kind of IFOM mistake and system |
| CN103686655B (en) * | 2012-09-07 | 2019-05-07 | 中兴通讯股份有限公司 | Billing control method and device |
| WO2014161140A1 (en) * | 2013-04-01 | 2014-10-09 | 华为技术有限公司 | Method and device for selecting network at visited location |
| CN105992281A (en) * | 2015-02-28 | 2016-10-05 | 中兴通讯股份有限公司 | Method and system for realizing Quality of Service (QoS) parameter control based on HSS, and device |
| CN111082948A (en) * | 2019-12-30 | 2020-04-28 | 中国移动通信集团江苏有限公司 | Method, device, equipment and storage medium for determining policy and charging control policy |
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| CN1852384A (en) * | 2005-06-18 | 2006-10-25 | 华为技术有限公司 | Method for realizing policy and charging rule decision |
| CN1988722A (en) * | 2005-12-20 | 2007-06-27 | 北京三星通信技术研究有限公司 | Method for controling tactics under roaming state |
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| CN1852384A (en) * | 2005-06-18 | 2006-10-25 | 华为技术有限公司 | Method for realizing policy and charging rule decision |
| CN1988722A (en) * | 2005-12-20 | 2007-06-27 | 北京三星通信技术研究有限公司 | Method for controling tactics under roaming state |
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