CN102348193A - Gateway identifier reporting method and system thereof - Google Patents
Gateway identifier reporting method and system thereof Download PDFInfo
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- CN102348193A CN102348193A CN2010102420733A CN201010242073A CN102348193A CN 102348193 A CN102348193 A CN 102348193A CN 2010102420733 A CN2010102420733 A CN 2010102420733A CN 201010242073 A CN201010242073 A CN 201010242073A CN 102348193 A CN102348193 A CN 102348193A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/08—Access security
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/26—Network addressing or numbering for mobility support
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/16—Gateway arrangements
Abstract
The invention discloses a gateway identifier reporting method. A packet data network gateway (P-GW) identifier is reported to a home subscriber server (HSS)/authentication, authorization and accounting server (AAA) by an evolutionary packet data gateway (ePDG). The invention additionally discloses a gateway identifier reporting system, which comprises a reporting unit used for the ePDG to report the P-GW identifier to the HSS/AAA. By adopting the method and the system disclosed by the invention, the operational process can be unified and the operation can be simplified in different scenes of 3rd generation partnership project (3GPP) access and non-3GPP access.
Description
Technical field
The present invention relates to the communications field, relate in particular to the method and system that gateway identification reports in a kind of communication network.
Background technology
Third generation partner program (3GPP; 3rd Generation Partnership Project) grouping system (EPS of evolution; Evolved Packet System) as shown in Figure 1; UMTS land radio access web (E-UTRAN by evolution; Evolved Universal Terrestrial Radio AccessNetwork), mobile management unit (MME, Mobility Management Entity), gateway (S-GW, Serving Gateway), grouped data network gateway (P-GW or be called PDN GW; PacketData Network Gateway), home subscriber server (HSS; Home Subscriber Server), 3GPP authentication and authorization charging server (AAA), "Policy and Charging Rules Function (PCRF, Policy and ChargingRules Function) entity and other support nodes composition.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, between E-UTRAN and P-GW, transmits data, and is responsible for pending datas such as paging are carried out buffer memory.P-GW then is the borde gateway of 3GPP EPS and Packet Data Network (PDN, Packet Data Network), is responsible for the access of PDN, between EPS and PDN, transmits function such as data.Be the S6a interface between MME and the HSS, this interface is used for access authentication of user, CAMEL-Subscription-Information obtains and operation such as context storage.
Subscriber equipment (UE) is except being linked into the P-GW of EPS through the Access Network (for example above-mentioned E-UTRAN) of 3GPP definition; Can also insert through non-3 GPP access network; That is to say that P-GW is that 3GPP inserts the shared gateway that inserts with non-3GPP, is the anchor point that UE switches between net.Non-3 GPP access network can be divided into the non-3GPP access of trusted and trustless non-3GPP inserts; When trustless non-3GPP inserts; Must pass through network element---the packet data gateway (ePDG of evolution; Evolved PacketData Gateway) be transferred to P-GW, wherein the interface of ePDG and P-GW is called the S2b interface, and the agreement that this interface can adopt comprises proxy-mobile IP version 6 (PMIPv6; Proxy Mobile IP version 6) agreement or general packet radio service tunnel agreement (GTP, General Packet Radio ServiceTunnel Protocol).Between P-GW and aaa server (Server)/AAA agency (Proxy) is the S6b interface, and this S6b interface is used for P-GW and obtains operations such as contextual information from AAA/AAA Proxy; Between ePDG and the AAA Server/AAA Proxy is the SWm interface, and this interface is used for access authentication of user and other operations.
According to prior art; No matter the terminal is linked into EPS through 3GPP Access Network (like EUTRAN) or fly-by-night non-3 GPP access network; The terminal all can at first be set up a PDN through attach operation and connect; This PDN connects and is called acquiescence PDN connection, and the PDN that also possibly set up additional (Additional) afterwards connects.Each PDN connects, and the terminal all obtains one or the 4th edition (IPv4)/Internet protocol sixth version of pair of interconnected fidonetFido (IPv6) address, the IP address visit specific PDN of terminal through obtaining.Inserting EPS with the terminal through fly-by-night non-3GPP is example, adheres to/operation of PDN establishment of connection with flow process explanation below, and as shown in Figure 2, this flow process may further comprise the steps:
Step 201: user UE access authentication and mandate.
Here, ePDG, 3GPP HSS/AAA accomplish the authentication to UE, set up the IPsec tunnel between UE and the ePDG, and this tunnel is used to protect signaling and the data between UE and the ePDG.
Here it is to be noted: before step 201, UE has accomplished the access operation of non-3 GPP access network through the existing step of trustless non-3 GPP access network.
Step 202:ePDG sends " GTP: create conversation request " message to P-GW, and GTP tunnel is set up in request.
Here; Among Fig. 2; Be to adopt the GTP agreement to set up the tunnel between ePDG and the P-GW, like what mentioned in describing to Fig. 1: also can adopt the PMIPv6 agreement to set up the tunnel between ePDG and the P-GW, when adopting the PMIPv6 agreement; The message that step 202 is used to create conversation request is agent binding update (PBU, PMIPv6 Binding Update) message.
Step 203: if adopted the strategy and control (PCC, the Policy and ChargingControl) technology of chargeing to come unified management resource and charging in the network, P-GW can set up the IP-CAN session with PCRF, and obtains the PCC strategy from PCRF.
Step 204:P-GW reports P-GW identification renewal message to 3GPP HSS/AAA.
Here, carry this PDN in this P-GW identification renewal message and connect corresponding " APN+P-GW sign ", HSS/AAA storage APN+P-GW sign.Said " APN+P-GW sign " among this paper expression: APN is to bind in pairs to be stored among the HSS/AAA with the P-GW sign, also be appreciated that into selected P-GW identify and the APN corresponding stored in HSS/AAA, do not give unnecessary details.
Step 205: as the response to step 202 demand signalling, P-GW sends " GTP: create session and reply " message to ePDG, and notice ePDG GTP tunnel is set up successfully.
Here, when adopting the PMIPv6 agreement to set up the tunnel between ePDG and the P-GW, the message that step 205 is replied is that agent binding is confirmed (PBA, PMIPv6 Binding Ack) message.
Internet Protocol Security between step 206:UE and the ePDG (IPsec) tunnel is set up and is accomplished.
Step 207: accept the tunnel foundation request of ePDG at P-GW after, P-GW is that UE has distributed the IP address, and carries to ePDG through the message of step 205.In this step 207, ePDG gives UE the IP address strap through internet key switch version 2 (IKEv2, Internet Key Exchange version 2) message.
The user adheres to completion.After completion is adhered to, if wanting to set up additional PDN, UE connects, then can carry out above-mentioned steps 201～207 once more, to set up second, third ... wait additional PDN to connect.
In sum, UE can set up one or more PDN and connect, and visits different PDN.But when visiting different PDN, the P-GW gateway that EPC selects is different, that is to say; In the process of setting up the PDN connection; The Access Point Name (APN, Access PointName) that ePDG will send up according to UE, or, select different P-GW (choice mechanism is a prior art) by the APN that HSS/AAA returns; During the step 202 in execution graph 2, ePDG sends out tunnel binding message to this selected P-GW like this.In case selected this P-GW, the sign of this P-GW and this APN need corresponding stored in HSS/AAA, are: in Fig. 2, realize the storage at HSS/AAA of APN+P-GW sign through step 204.Wherein, the purpose of storage APN+P-GW sign is: do not change in order to keep P-GW in the handoff procedure.For instance, when UE is switched to EUTRAN and inserts by non-3 GPP access network after,,, EUTRAN do not know that this and which P-GW set up tunnel binding and concern so inserting because the EUTRAN Access Network do not know that UE selects when non-3GPP inserts is for which P-GW.This just needs UE when initially inserting through non-3GPP; Store selected P-GW sign and the corresponding relation of APN into HSS/AAA; After UE switches to the EUTRAN access; The access authentication operation that EUTRAN inserts through the user gets access to the APN+P-GW identification information of storage from HSS/AAA, and EUTRAN just knows and this P-GW sets up the tunnel binding relation like this, thereby the P-GW that guarantees to switch the front and back selection is same P-GW; Guarantee the constant of anchor gateway P-GW in the handoff procedure, guaranteed professional continuity.
Analyze the flow process of above-mentioned Fig. 2, when non-3GPP inserted, the storage of APN+P-GW sign reported HSS/AAA through the S6b interface by P-GW.Different through the operation that EUTRAN inserts with UE, P-GW need not to carry out this operation when EUTRAN inserted, and the storage of APN+P-GW sign is by other network elements, reports HSS/AAA's such as MME.That is to say, insert under the different scenes with non-3GPP access, the behavior of P-GW has been proposed different requirement at 3GPP; When reporting APN+P-GW to identify to store to HSS/AAA; Adopt different network elements to carry out and report, thereby make operating process seem chaotic, disunity; Press for a kind of gateway identification at present and report scheme, can unify operating process and simplify the operation.
Summary of the invention
In view of this, main purpose of the present invention is the method and system that provide a kind of gateway identification to report, can insert under the different scenes that insert with non-3GPP unified operating process and simplifies the operation at 3GPP.
For achieving the above object, technical scheme of the present invention is achieved in that
The method that a kind of gateway identification reports, this method comprises:
The packet data gateway of evolution (ePDG) reports grouped data network gateway (P-GW) sign to give home subscriber server (HSS)/authentication and authorization charging server (AAA).
Wherein, the user initially adheres to/and Packet Data Network (PDN) connects when setting up, and this method also comprises:
Said ePDG reports P-GW identification renewal message to give said HSS/AAA, and said HSS/AAA receives the said P-GW sign of P-GW sign back storage; Wherein, carry said P-GW sign in the said P-GW identification renewal message.
Wherein, trigger condition that said ePDG reports comprise following any one:
Condition 1: initiate in subscriber equipment (UE) access authentication and mandate, UE access authentication and the licensing process or the UE access authentication and authorize completion after, said ePDG reports said P-GW identification renewal message;
Condition 2: initiate that P-GW notice ePDG general packet radio service tunnel agreement (GTP) tunnel is set up, P-GW notice ePDG GTP tunnel is set up in the process or P-GW notice ePDG GTP tunnel set up accomplish after, said ePDG reports said P-GW identification renewal message;
Condition 3: after in the IPsec tunnel establishment procedure between Internet Protocol Security (IPsec) tunnel foundation, UE and the said ePDG between initiation UE and the said ePDG or the IPsec tunnel between UE and the said ePDG was set up and accomplished, said ePDG reported said P-GW identification renewal message.
Wherein, when the Access Network that the user belongs to said ePDG switched, this method also comprised: when said ePDG carried out the access authentication of user operation, request was obtained the P-GW sign that HSS/AAA stored before the switching from said HSS/AAA.
Wherein, user's attachment removal/PDN connects when discharging, and this method also comprises: said ePDG reports P-GW identification renewal message to give said HSS/AAA, after said HSS/AAA receives P-GW identification renewal message, and the P-GW sign that deletion is stored.
Wherein, when initiating said attachment removal by UE/ non-3 GPP access network/ePDG, trigger condition that said ePDG reports comprise following any one:
Condition 1: initiate in the dispose procedure in release, IKEv2 tunnel in internet key switch version 2 (IKEv2) tunnel or after the release in KEv2 tunnel accomplished, said ePDG reported said P-GW identification renewal message;
Condition 2: initiate that P-GW notice ePDG discharges GTP tunnel, P-GW notice ePDG discharges in the GTP tunnel process or after P-GW notice ePDG discharged GTP tunnel and accomplish, said ePDG reported said P-GW identification renewal message;
Condition 3: initiate non-3 GPP access network through the existing resources releasing operation discharge resource, after non-3 GPP access network discharges in the resource process through the existing resources releasing operation or non-3 GPP access network discharges resource and accomplish through the existing resources releasing operation, said ePDG reports said P-GW identification renewal message.
Wherein, said P-GW identification renewal message comprises: P-GW sign storage request message, P-GW sign are obtained request message or P-GW sign deletion request message.
The system that a kind of gateway identification reports, this system comprise and report the unit, are used for ePDG and report P-GW to identify to HSS/AAA.
Wherein, the said unit that reports, be further used for initially adhering to the user/when the PDN connection was set up, said ePDG reported P-GW identification renewal message to give said HSS/AAA, carried the P-GW sign in the said P-GW identification renewal message;
This system also comprises memory cell, is used for receiving the said P-GW sign of said P-GW sign back storage at said HSS/AAA.
Wherein, this system also comprises acquiring unit, and when being used for the user and switching to the Access Network at said ePDG place, said ePDG carries out the access authentication of user operation, and request is obtained the P-GW that HSS/AAA stored before switching from said HSS/AAA and identified.
Wherein, the said unit that reports is further used for user's attachment removal/PDN and connects when discharging, and said ePDG reports P-GW identification renewal message to give said HSS/AAA;
This system also comprises delete cells, is used for after said HSS/AAA receives P-GW identification renewal message the deletion P-GW that HSS/AAA stored sign.
EPDG of the present invention reports P-GW to identify to HSS/AAA.
Adopt the present invention, unifiedly report P-GW to identify, can insert under the different scenes that insert with non-3GPP unified operating process and simplify the operation at 3GPP to HSS/AAA by ePDG.
Description of drawings
Fig. 1 is the sketch map that trustless non-3 GPP access network inserts EPS in the prior art;
Fig. 2 is the attachment flow sketch map of P-GW sign storage in the prior art;
Fig. 3 is the realization flow sketch map of the inventive method embodiment one;
Fig. 4 is the realization flow sketch map of the inventive method embodiment two;
Fig. 5 is the realization flow sketch map of the inventive method embodiment three.
Embodiment
Basic thought of the present invention is: ePDG reports P-GW to identify to HSS/AAA.
Below in conjunction with accompanying drawing the enforcement of technical scheme is done further to describe in detail.
Scheme of the present invention is applicable to the scene that non-3GPP inserts, and reports P-GW to identify to HSS/AAA by ePDG.The P-GW sign that follow-up HSS/AAA storage is received, ePDG from HSS/AAA obtain storage the P-GW sign, or under the request of ePDG, HSS/AAA can delete the P-GW sign of being stored.
The method that a kind of gateway identification reports, this method mainly comprises following content:
Unification reports P-GW to identify to HSS/AAA by ePDG.
Further; The user initially adheres to/and PDN connects when setting up; EPDG can report P-GW identification renewal message to give HSS/AAA through the SWm interface, and to HSS/AAA request storage P-GW sign, HSS/AAA can connect this P-GW sign that the lifetime storage is received at this PDN.Wherein, carry this P-GW sign in the P-GW identification renewal message.
Further, when the user was switched, ePDG obtained the P-GW sign of switching preceding HSS/AAA storage through the access authentication of user operation from HSS/AAA.
Further, user's attachment removal/PDN connects when discharging, and ePDG is to HSS/AAA request deletion P-GW sign, HSS/AAA deletion P-GW sign.
Here it is to be noted: when the PDN connection deletion/resource that P-GW initiates because of switch reasons deactivated, ePDG did not identify to HSS/AAA request deletion P-GW.
Below to the present invention's elaboration of giving an example.
Explain: in following examples, used " P-GW identification renewal message " is a recapitulative message name, specifically can comprise: P-GW sign storage request message, P-GW sign are obtained request message or P-GW sign deletion request message.Message can be to carry special indication by the Diameter signaling to bear, as long as HSS/AAA can resolve the parameter of carrying of this message and can carry out by the operation (storing/delete/obtain the P-GW sign) of message indication, message name is not done concrete qualification.
Method embodiment one: what the P-GW sign was stored adheres to/the PDN connection building process.
Present embodiment is according to the present invention, and the terminal is attached to the flow process of EPS core net through trustless non-3 GPP access network; Perhaps, after adhering to, set up the flow process that additional PDN connects again, adhering to/PDN connects and sets up in the process, and ePDG sends P-GW identification renewal message to HSS/AAA, carries the P-GW sign in this message, and this P-GW sign of HSS/AAA storage is as shown in Figure 3.What Fig. 3 provided is non-roaming scence, and roaming scence is with the different of Fig. 3: the "Policy and Charging Rules Function of P-GW and ownership place (hPCRF) be "Policy and Charging Rules Function (vPCRF) switching on visit ground through visited network alternately; EPDG and local HSS/AAA's is the AAA Proxy switching through visited network alternately.Difference does not influence the present invention here.
Flow process shown in Figure 3 may further comprise the steps:
Step 301: user UE access authentication and mandate.
Here, ePDG, 3GPP HSS/AAA accomplish the authentication to UE, set up the IPsec tunnel between UE and the ePDG, and this tunnel is used to protect signaling and the data between UE and the ePDG.
Here it is to be noted: before step 301, UE has accomplished the access operation of non-3 GPP access network through the existing step of trustless non-3 GPP access network.
Step 302: in the IPsec tunnel establishment procedure, UE can carry APN to ePDG, or when the authentication, AAA can be handed down to ePDG with signatory APN.EPDG is according to this APN, through current mechanism (like the DNS inquiry etc.), selects to set up the P-GW that this PDN connections needs access.EPDG sends P-GW identification renewal message through the SWm interface to HSS/AAA, this P-GW sign of request HSS/AAA storage.
It can be as follows any one opportunity that the P-GW identification renewal message trigger conditioned disjunction of step 302 is called execution:
Condition 1: triggered by step 301, promptly step 302 occurs in after the step 301, as shown in Figure 3;
Condition 2: triggered by step 305, promptly step 302 occurs in after the step 305, does not disclose among Fig. 3;
Condition 3: triggered by step 306, promptly step 302 occurs in after the step 306, does not disclose among Fig. 3.
Certainly as the failure abnormity processing; If after step 301 and step 305, carried out the P-GW identification renewal; And follow-up adhering to/PDN connection is set up and has been failed, and ePDG can send the request of P-GW identification renewal to HSS/AAA, the P-GW sign that request HSS/AAA deletion had been stored.
Because different APN has identified different PDN; And different PDN need insert (may be identical P-GW under some scene) through different P-GW; So ePDG is when sending P-GW identification renewal message to HSS/AAA; Be that APN and P-GW identify transmission in pairs, this message of HSS/AAA storage also is to store in pairs.
Step 303:ePDG sends " GTP: create conversation request " message to selected P-GW, and GTP tunnel is set up in request.
Here; Be to adopt the GTP agreement to set up the tunnel between ePDG and the P-GW among Fig. 3; Like what mentioned in describing to Fig. 1: also can adopt the PMIPv6 agreement to set up the tunnel between ePDG and the P-GW, when adopting the PMIPv6 agreement, the message that step 303 is used to create conversation request is PBU message.
Step 304: if adopted the PCC technology to come unified management resource and charging in the network, P-GW can set up the IP-CAN session with PCRF, and obtains the PCC strategy from PCRF.
Step 305: as the response to step 303 demand signalling, P-GW sends " GTP: create session and reply " message to ePDG, and notice ePDG GTP tunnel is set up successfully.
Here, when adopting the PMIPv6 agreement to set up the tunnel between ePDG and the P-GW, the message that step 305 is replied is PBA message.
IPsec tunnel between step 306:UE and the ePDG is set up and is accomplished.
Step 307: accept the tunnel foundation request of ePDG at P-GW after, P-GW is that UE has distributed the IP address, and carries to ePDG through the message of step 305.In this step 307, ePDG gives UE the IP address strap through IKEv2 message.
The user adheres to completion.Equally, after user's completion is adhered to, set up additional PDN if desired and connect, then can carry out above-mentioned steps 301～307 once more, to set up second, third ... wait additional PDN to connect.
Method embodiment two: the PDN that the UE/ePDG/ non-3 GPP access network of P-GW sign deletion is initiated connects release/attachment removal flow process.
Present embodiment is according to the present invention; (possibly set up one or several additional PDN after adhering to again connected after the terminal was attached to the EPS core net through trustless non-3 GPP access network; Possibly not have yet), UE or ePDG or non-3 GPP access network are initiated attachment removal/PDN and are connected the flow process that discharges.Wherein " PDN connects release " be meant that UE is having under the prerequisite that a plurality of PDN connect, one of them or several PDN connection need to break off, and connect but UE is also safeguarding remaining PDN, so UE do not have from the network side attachment removal.Connect in the dispose procedure at attachment removal/PDN, ePDG sends P-GW identification renewal message to HSS/AAA, after HSS/AAA receives this message, deletes this P-GW sign, and is as shown in Figure 4.What Fig. 4 provided is non-roaming scence, and roaming scence is with the different of Fig. 4: P-GW and hPCRF's is the vPCRF switching through visited network alternately; EPDG and local HSS/AAA's is the AAA Proxy switching through visited network alternately.Difference does not influence the present invention here.
Flow process shown in Figure 4 may further comprise the steps:
Step 401: user UE or non-3 GPP access network or ePDG initiate the attachment removal operation, trigger the release in IKEv2 tunnel.
Step 402: in the present embodiment, ePDG sends P-GW identification renewal message through the SWm interface to HSS/AAA, this P-GW sign of request HSS/AAA deletion, and HSS/AAA is triggered, and deletes this P-GW sign.
The trigger condition of step 402 or to be called execution can be as follows any one opportunity:
Condition 1: triggered by step 401 step, promptly step 402 occurs in after the step 401, as shown in Figure 4;
Condition 2: triggered by step 405 step, promptly step 402 occurs in after the step 405, does not disclose among Fig. 4;
Condition 3: triggered by step 406 step, promptly step 402 occurs in after the step 406, does not disclose among Fig. 4.
Certainly as the failure abnormity processing; If after step 401 and step 405, carried out P-GW identification renewal (deletion); And follow-up attachment removal operation failure, ePDG can send P-GW identification renewal (storage) request once more to HSS/AAA, and request HSS/AAA stores this P-GW sign again.
Step 403:ePDG sends " GTP: deletion conversation request " message to selected P-GW, and GTP tunnel is removed in request.
Here; Be to adopt the GTP agreement to set up the tunnel between ePDG and the P-GW among Fig. 4; Like what mentioned in describing to Fig. 1: also can adopt the PMIPv6 agreement to set up the tunnel between ePDG and the P-GW, when adopting the PMIPv6 agreement, the message of step 402 is the PBU message that is used to create conversation request; And lifetime zero setting is specially " PMIPv6Binding Update (lifetime=0) ".
Step 404: if adopted the PCC technology to come unified management resource and charging in the network, P-GW can stop the IP-CAN session with PCRF.
Step 405: as the response to step 403 demand signalling, P-GW sends " GTP: the deletion session is replied " message to ePDG, and notice ePDG discharges GTP tunnel.
Here, when adopting the PMIPv6 agreement to set up the tunnel between ePDG and the P-GW, the message that step 405 is replied is PBA message.
Step 406: non-3 GPP access network discharges resource through existing resource releasing operation step.
More than be operating as attachment removal, same, when Client-initiated is PDN connection release, the similar above-mentioned steps 401～406 of step.
Method embodiment three: the PDN that the P-GW/PCRF of P-GW sign deletion initiates connects release/resource deexcitation flow process.
Present embodiment is according to the present invention, and the terminal is attached to through trustless non-3 GPP access network after the EPS core net, has set up one or several additional PDN again and has connected, and PCRF or P-GW initiate resource deexcitation/PDN and connect the flow process that discharges.Connect in the dispose procedure at resource deexcitation/PDN, ePDG sends P-GW identification renewal message to HSS/AAA, after HSS/AAA receives this message, deletes this P-GW sign, and is as shown in Figure 5.What Fig. 5 provided is non-roaming scence, and roaming scence is with the different of Fig. 5: P-GW and hPCRF's is the vPCRF switching through visited network alternately; EPDG and local HSS/AAA's is the AAA Proxy switching through visited network alternately.Difference does not influence the present invention here.
Flow process shown in Figure 5 may further comprise the steps:
Step 501:PCRF can initiate the termination/retouching operation of IP-CAN session, and certain PDN of notice P-GW deletion connects/deactivate the resource that certain PDN connects.
Here, this step is an optional step.
Step 502:P-GW sends " GTP: deleting bearing request information, the relevant carrying of request dismounting to ePDG.
Be to adopt the GTP agreement to set up the tunnel between ePDG and the P-GW among Fig. 5; Like what mentioned in describing to Fig. 1: also can adopt the PMIPv6 agreement to set up the tunnel between ePDG and the P-GW; When adopting the PMIPv6 agreement; The message that step 502 is used for the deleting bearing request is to bind to remove indication (BRI, Binding Revocation Indication) message.
Step 503: non-3 GPP access network discharges related resource, if all resources that this PDN connects all are triggered has discharged, and the IKEv2 tunnel between UE and the ePDG discharges the release that also can be triggered.
Step 504: when the resource deexcitation caused this PDN to connect release, ePDG can send P-GW identification renewal message to HSS/AAA through the SWm interface, and this P-GW of request HSS/AAA deletion identifies, and HSS/AAA is triggered, and deletes this P-GW sign.
The trigger condition of step 504 or to be called execution can be as follows any one opportunity:
Condition 1: triggered by step 502, promptly step 504 occurs in after the step 502, does not disclose among Fig. 5;
Condition 2: triggered by step 503, promptly step 504 occurs in after the step 503, as shown in Figure 5.
Certainly as the failure abnormity processing; If after step 502, carried out P-GW identification renewal (deletion); And follow-up resource deexcitation/PDN connection releasing operation has been failed; EPDG can send P-GW identification renewal (storage) request once more to HSS/AAA, and request HSS/AAA stores this P-GW sign again.
Step 505: as the response to 502 step demand signallings, ePDG sends " GTP: deleting bearing is replied " message to P-GW.
Here, when adopting the PMIPv6 agreement to set up the tunnel between ePDG and the P-GW, it is to bind to remove affirmation (BRA, Binding Revocation Ack) message that step 505 is used for the message that deleting bearing replys.
Step 506:IP-CAN session termination/modification response.
The system that a kind of gateway identification reports, this system comprise and report the unit, report the unit to be used for ePDG and report P-GW to identify to HSS/AAA.
Here, under the request storage P-GW sign situation, report the unit be further used for initially adhering to the user/PDN connects when setting up, ePDG reports P-GW identification renewal message to give HSS/AAA, request HSS/AAA storage P-GW sign; Wherein, carry the P-GW sign in the P-GW identification renewal message.
This system also comprises memory cell, and memory cell is used for after HSS/AAA receives the P-GW sign, storage P-GW sign.
Here, under the acquisition request P-GW sign situation, this system also comprises acquiring unit, and when being used for the user and switching to the Access Network at ePDG place, ePDG carries out the access authentication of user operation, and request is obtained the P-GW that HSS/AAA stored before switching from HSS/AAA and identified.
Here, under the request deletion P-GW sign situation, report the unit to be further used for user's attachment removal/PDN and connect when discharging, ePDG reports P-GW identification renewal message to give HSS/AAA, the P-GW sign that request HSS/AAA deletion is stored.
This system also comprises delete cells, and delete cells is after receiving P-GW identification renewal message at HSS/AAA, and the deletion P-GW that HSS/AAA stored identifies.
The above is merely preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention.
Claims (11)
1. the method that gateway identification reports is characterized in that, this method comprises:
The packet data gateway of evolution (ePDG) reports grouped data network gateway (P-GW) sign to give home subscriber server (HSS)/authentication and authorization charging server (AAA).
2. method according to claim 1 is characterized in that, and the user initially adheres to/and Packet Data Network (PDN) connects when setting up, and this method also comprises:
Said ePDG reports P-GW identification renewal message to give said HSS/AAA, and said HSS/AAA receives the said P-GW sign of P-GW sign back storage; Wherein, carry said P-GW sign in the said P-GW identification renewal message.
3. method according to claim 2 is characterized in that, trigger condition that said ePDG reports comprise following any one:
Condition 1: initiate in subscriber equipment (UE) access authentication and mandate, UE access authentication and the licensing process or the UE access authentication and authorize completion after, said ePDG reports said P-GW identification renewal message;
Condition 2: initiate that P-GW notice ePDG general packet radio service tunnel agreement (GTP) tunnel is set up, P-GW notice ePDG GTP tunnel is set up in the process or P-GW notice ePDG GTP tunnel set up accomplish after, said ePDG reports said P-GW identification renewal message;
Condition 3: after in the IPsec tunnel establishment procedure between Internet Protocol Security (IPsec) tunnel foundation, UE and the said ePDG between initiation UE and the said ePDG or the IPsec tunnel between UE and the said ePDG was set up and accomplished, said ePDG reported said P-GW identification renewal message.
4. method according to claim 1; It is characterized in that; When the Access Network that the user belongs to said ePDG switched, this method also comprised: when said ePDG carried out the access authentication of user operation, request was obtained the P-GW sign that HSS/AAA stored before the switching from said HSS/AAA.
5. method according to claim 1; It is characterized in that user's attachment removal/PDN connects when discharging, this method also comprises: said ePDG reports P-GW identification renewal message to give said HSS/AAA; After said HSS/AAA receives P-GW identification renewal message, the P-GW sign that deletion is stored.
6. method according to claim 5 is characterized in that, when initiating said attachment removal by UE/ non-3 GPP access network/ePDG, trigger condition that said ePDG reports comprise following any one:
Condition 1: initiate in the dispose procedure in release, IKEv2 tunnel in internet key switch version 2 (IKEv2) tunnel or after the release in KEv2 tunnel accomplished, said ePDG reported said P-GW identification renewal message;
Condition 2: initiate that P-GW notice ePDG discharges GTP tunnel, P-GW notice ePDG discharges in the GTP tunnel process or after P-GW notice ePDG discharged GTP tunnel and accomplish, said ePDG reported said P-GW identification renewal message;
Condition 3: initiate non-3 GPP access network through the existing resources releasing operation discharge resource, after non-3 GPP access network discharges in the resource process through the existing resources releasing operation or non-3 GPP access network discharges resource and accomplish through the existing resources releasing operation, said ePDG reports said P-GW identification renewal message.
7. according to claim 2,3,5 or 6 described methods, it is characterized in that said P-GW identification renewal message comprises: P-GW sign storage request message, P-GW sign are obtained request message or P-GW sign deletion request message.
8. the system that gateway identification reports is characterized in that, this system comprises and reports the unit, is used for ePDG and reports P-GW to identify to HSS/AAA.
9. system according to claim 8; It is characterized in that, the said unit that reports, be further used for initially adhering to the user/when the PDN connection is set up; Said ePDG reports P-GW identification renewal message to give said HSS/AAA, carries the P-GW sign in the said P-GW identification renewal message;
This system also comprises memory cell, is used for receiving the said P-GW sign of said P-GW sign back storage at said HSS/AAA.
10. system according to claim 8; It is characterized in that; This system also comprises acquiring unit; When being used for the user and switching to the Access Network at said ePDG place, said ePDG carries out the access authentication of user operation, and request is obtained the P-GW that HSS/AAA stored before switching from said HSS/AAA and identified.
11. system according to claim 8 is characterized in that, the said unit that reports is further used for user's attachment removal/PDN and connects when discharging, and said ePDG reports P-GW identification renewal message to give said HSS/AAA;
This system also comprises delete cells, is used for after said HSS/AAA receives P-GW identification renewal message the deletion P-GW that HSS/AAA stored sign.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010242073.3A CN102348193B (en) | 2010-07-28 | 2010-07-28 | The method and system that a kind of gateway identification reports |
| PCT/CN2011/076149 WO2012013103A1 (en) | 2010-07-28 | 2011-06-22 | Method and system for reporting gateway identity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201010242073.3A CN102348193B (en) | 2010-07-28 | 2010-07-28 | The method and system that a kind of gateway identification reports |
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| CN102348193B CN102348193B (en) | 2016-06-15 |
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| WO (1) | WO2012013103A1 (en) |
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| WO2013189217A1 (en) * | 2012-06-21 | 2013-12-27 | 中兴通讯股份有限公司 | Method for updating identity information about packet gateway, aaa server and packet gateway |
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| WO2018170617A1 (en) * | 2017-03-18 | 2018-09-27 | 华为技术有限公司 | Network access authentication method based on non-3gpp network, and related device and system |
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Also Published As
| Publication number | Publication date |
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| WO2012013103A1 (en) | 2012-02-02 |
| CN102348193B (en) | 2016-06-15 |
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