CN102340766B - Home network obtains the method and system of net element information in visited network - Google Patents

Home network obtains the method and system of net element information in visited network Download PDF

Info

Publication number
CN102340766B
CN102340766B CN201010236205.1A CN201010236205A CN102340766B CN 102340766 B CN102340766 B CN 102340766B CN 201010236205 A CN201010236205 A CN 201010236205A CN 102340766 B CN102340766 B CN 102340766B
Authority
CN
China
Prior art keywords
network
home network
visited
pcrf
visited network
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201010236205.1A
Other languages
Chinese (zh)
Other versions
CN102340766A (en
Inventor
周晓云
宗在峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZTE Corp
Original Assignee
ZTE Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZTE Corp filed Critical ZTE Corp
Priority to CN201010236205.1A priority Critical patent/CN102340766B/en
Publication of CN102340766A publication Critical patent/CN102340766A/en
Application granted granted Critical
Publication of CN102340766B publication Critical patent/CN102340766B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Mobile Radio Communication Systems (AREA)

Abstract

The invention discloses a kind of method that home network obtains net element information in visited network, comprise: the gateway of visited network carries out user equipment (UE) in the verification process of Extensible Authentication Protocol EAP, by the identification-information reporting of described visited network to the certificate server of home network; The gateway of home network obtains the network identity of described visited network from the certificate server of described home network, and sends to strategy and the control network element of home network.The invention also discloses the system that a kind of home network realizing preceding method obtains net element information in visited network.When technical scheme of the present invention solves and not to sign netsurfing agreement between home network and third party's network, still realize roaming by visited network, extend the service accessibility of UE, facilitate UE in particular network, still can carry out related service in home network.Technical solution of the present invention realizes simple, therefore realizes cost lower, turn improves the business experience of user.

Description

Home network obtains the method and system of net element information in visited network
Technical field
The present invention relates to the acquiring technology of net element information in visited network, particularly relate to home network in the grouping system (EPS, Evolved Packet System) of evolution and obtain the method and system of net element information in visited network.
Background technology
Fig. 1 is the system architecture schematic diagram of EPS, as shown in Figure 1, at third generation partner program (3GPP, 3rd Generation Partnership Project) evolution grouping system in, the EPS network architecture diagram of non-roaming scene, by the universal mobile telecommunications system land radio access web (E-UTRAN of evolution, EvolvedUniversal Terrestrial Radio Access Network), mobile management unit (MME, MobilityManagement Entity), gateway (S-GW, Serving Gateway), grouped data network gateway (P-GW or PDN GW, Packet Data Network Gateway), home subscriber server (HSS, Home Subscriber Server), "Policy and Charging Rules Function entity (PCRF, Policy and ChargingRules Function) and other support nodes composition.PCRF is the core that strategy and charging control (PCC, Policyand Charging Control), is responsible for the formulation of strategic decision-making and charging regulation.PCRF provides the network control rule based on business data flow, these network controls comprise the detection of business data flow, gate (Gating Control), service quality (QoS, Quality of Service) control and based on the charging regulation etc. of data flow.The strategy that PCRF is formulated and charging regulation send to strategy and charging execution function entity (PCEF, Policy and Charging Enforcement Function) perform, meanwhile, PCRF also needs to ensure that these rules are consistent with the CAMEL-Subscription-Information of user.PCRF generates strategy and the foundation of charging regulation comprises: obtain the information relevant to business from Application Function (AF, Application Function); Obtain and user policy, billing control and subscription information from user-subscribed database (SPR, Subscription Profile Repository); The information with carrying network of relation is obtained from PCEF.
EPS supports the intercommunication with non-3 GPP system.Pass through S2a/S2b/S2c Interface realization with the intercommunication of non-3 GPP system, P-GW is as the anchor point between 3GPP and non-3 GPP system.As shown in Figure 1, in the system of EPS, non-3 GPP system is divided into trusted non-3 gpp IP access and trustless non-3 gpp IP accesses.Trusted non-3 gpp IP is accessed and can be directly connected with P-GW by S2a interface; Trustless non-3 gpp IP access need be connected with P-GW through the packet data gateway of evolution (ePDG, Evolved Packet Data Gateway), could access P-GW by ePDG; Interface between ePDG and P-GW is S2b, and adopts Internet protocol safety (IPSec, IP and Security) to be encrypted protection to signaling and data between subscriber equipment (UE, User Equipment) and ePDG.S2c provides the control and mobility support of being correlated with in the user face between UE and P-GW, its mobility management protocol supported is the mobile IP v 6 (DSMIPv6, Moblie IPv6 support for dual stack Hosts and Router) supporting two stack.
Fixed network mobile fusion (FMC, Fixed Mobile Convergence) technology is paid close attention in a lot of operation commercial city very much at present, and is studied for 3GPP and Broadband Forum (BBF, the Broadband Forum) technology of interconnecting.
Fig. 2 is the local route roaming architecture schematic diagram of UE by BBF Access Network access 3GPP core net, and in figure, BBF Access Network is considered to fly-by-night non-3 GPP access network.User needs the QoS on the whole transmission path to transfer of data (data can be transmitted through fixed network and mobile network) to ensure by the above-mentioned scene of BBF Access Network access mobile core net.Controlling framework (BPCF, Broadband Policy Control Framework) by the broadband policy in PCRF and BBF access in current techniques carries out alternately, realizes QoS and ensures.BPCF is the policy control architecture in BBF Access Network, carries out resource and admission control to the network strategy, CAMEL-Subscription-Information etc. that the resource request message of PCRF accesses according to BBF.Such as when UE is by WLAN (WLAN, Wireless Local Area Network) when accessing 3GPP core net, in order to ensure that the total bandwidth need by all UE access service of a WLAN line attachment access is no more than the bandwidth of this circuit, the for example greatest physical bandwidth of signing bandwidth or the support of this circuit, PCRF needs when carrying out QoS and authorizing to carry out alternately with BPCF, so that BPCF performs the call access control of resource.And alternately above-mentioned in order to realize, PCRF must obtain the on-position of the BBF Access Network of the current access of UE.After PCRF obtains broadband access positional information, first can determine to need mutual BPCF, and then broadband access positional information is sent to selected BPCF, BPCF is determining the concrete circuit that UE accesses according to broadband access positional information, thus realizes the call access control of resource.And for the scene shown in Fig. 2, owing to there is no commercial relations (namely not signing roaming agreement) between home network operator and the operator of BBF Access Network, even if therefore local "Policy and Charging Rules Function entity (H-PCRF, Home-Policy andCharging Rules Function) obtain the positional information of the BBF Access Network of the current access of UE, also correct BPCF cannot be found, and must by visit "Policy and Charging Rules Function entity (V-PCRF, Visitor-Policy and Charging Rules Function) obtain the relevant information of BPCF.But, according to prior art, such as, for the roaming scence shown in Fig. 2, when H-PCRF cannot know the network that ePDG is positioned at, also just cannot find correct V-PCRF, thus also just can not obtain the relevant information of BPCF.Therefore, also just corresponding call access control cannot be realized.Because above-mentioned Network Convergence Technology is still in conceptual phase, in prior art, there is not the technical scheme solved the problems of the technologies described above.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of home network to obtain the method and system of net element information in visited network, the PCRF information in home network acquisition visited network can be made, to be undertaken alternately by the policy control network element in the PCRF of visited network and third party's network, realize the policy control intercommunication with third party's network.
For achieving the above object, technical scheme of the present invention is achieved in that
Home network obtains a method for net element information in visited network, comprising:
The evolution packet data gateway of visited network carries out in verification process, by the identification-information reporting of described visited network to the certificate server of home network to UE;
The grouped data network gateway of home network obtains the network identity of described visited network from the certificate server of described home network, and sends to strategy and the control network element of home network.
Preferably, described certificate server is aaa server and/or HSS; Described policy control network element is PCRF.
Preferably, describedly by the identification-information reporting of described visited network to the certificate server of home network be:
The identification information of described visited network is sent to the aaa server of described home network by the evolution packet data gateway of described visited network by proxy authenticating server; Or the identification-information reporting of described visited network is given the HSS of described home network by the aaa server of described home network further.
Preferably, the strategy of home network and control network element is sent to be described in:
The identification information of described visited network, setting up in IP-CAN conversation procedure for described UE, is sent to the PCRF of home network by the gateway of described home network.
Preferably, described method also comprises:
Described UE is arranged in the third party's network outside described home network and described visited network; Do not support to roam between described third party's network and described home network.
Preferably, described method also comprises:
The PCRF of described home network, according to the identification information of described visited network, initiates the foundation of policy control session between the PCRF of described visited network;
The PCRF of described visited network accesses the positional information of described third party's network according to the mutual rear described UE obtained, then initiates the foundation of policy control session between the policy control network element of described third party's network.
Home network obtains a system for net element information in visited network, comprises UE, the home network of described UE and visited network; Described system also comprises authentication ' unit, reports unit, acquiring unit and transmitting element; Described authentication ' unit and report unit to be arranged in the gateway of described visited network; Described acquiring unit and transmitting element are arranged in the gateway of home network; Wherein,
Authentication ' unit, for carrying out certification to described UE;
Report unit, in described verification process, the identification-information reporting of described visited network is given the certificate server of described home network;
Acquiring unit, for obtaining the network identity of described visited network from the certificate server of described home network;
Transmitting element, for sending to strategy and the control network element of described home network by the network identity of described visited network.
Preferably, described certificate server is aaa server and/or HSS; Described policy control network element is PCRF.
Preferably, unit is reported further the identification information of described visited network to be sent to the aaa server of described home network by proxy authenticating server described in; Or the identification-information reporting of described visited network is given the HSS of described home network by the aaa server of described home network further.
Preferably, described system also comprises:
IP-CAN session establishment unit, for setting up IP-CAN session for described UE;
Described transmitting element is that described UE sets up in IP-CAN conversation procedure at described IP-CAN session establishment unit further, the identification information of described visited network is sent to the PCRF of described home network.
Preferably, described UE is arranged in the third party's network outside described home network and described visited network; Do not support to roam between described third party's network and described home network.
Preferably, the PCRF of described home network, according to the identification information of described visited network, initiates the foundation of policy control session between the PCRF of described visited network;
The PCRF of described visited network accesses the positional information of described third party's network according to the mutual rear described UE obtained, then initiates the foundation of policy control session between the policy control network element of described third party's network.
In the present invention, UE initiates in the verification process between the gateway of visited network by third party's network, by the identification-information reporting of described visited network to the certificate server of home network, like this, be that UE sets up in IP-CAN conversation procedure at the gateway of home network, the identification information of visited network is sent to the PCRF of home network, like this, the PCRF of home network can realize carrying out alternately with the PCRF of visited network, and undertaken alternately by the PCRF of visited network and the policy control network element of third party's network, achieve a butt joint into the call access control of the user of third party's network.When technical scheme of the present invention solves and not to sign netsurfing agreement between home network and third party's network, still realize roaming by visited network, extend the service accessibility of UE, facilitate UE in particular network, still can carry out related service in home network.Technical solution of the present invention realizes simple, therefore realizes cost lower, turn improves the business experience of user.
Accompanying drawing explanation
Fig. 1 is the system architecture schematic diagram of EPS;
Fig. 2 is the local route roaming architecture schematic diagram of UE by BBF Access Network access 3GPP core net;
Fig. 3 is that UE is by attachment flow figure during DSMIPv6 agreement access 3GPP;
Fig. 4 is that UE is by switching flow figure during DSMIPv6 agreement access 3GPP;
Fig. 5 is that UE is by attachment flow figure during PMIPv6 agreement access 3GPP;
Fig. 6 is that UE is by switching flow figure during PMIPv6 agreement access 3GPP;
Fig. 7 is the composition structural representation that home network of the present invention obtains the system of net element information in visited network;
Fig. 8 is another composition structural representation that home network of the present invention obtains the system of net element information in visited network.
Embodiment
Basic thought of the present invention is, UE initiates in the EAP verification process between the gateway of visited network by third party's network, by the identification-information reporting of described visited network to the certificate server of home network, like this, be that UE sets up in IP-CAN conversation procedure at the gateway of home network, the identification information of visited network is sent to the PCRF of home network, like this, the PCRF of home network can realize carrying out alternately with the PCRF of visited network, and undertaken alternately by the PCRF of visited network and the policy control network element of third party's network, thus determine that the user to current access third party network carries out the PCC rule of strategy and charging control, achieve a butt joint into the call access control of the user of third party's network.
For making the object, technical solutions and advantages of the present invention clearly understand, by the following examples also with reference to accompanying drawing, the present invention is described in more detail.
Embodiment one
Fig. 3 is that UE is by attachment flow figure during DSMIPv6 agreement access 3GPP, as shown in Figure 3, utilize the technical scheme in this example, H-PCRF obtains the network identity of the visited network that ePDG is positioned at, what therefore can realize with V-PCRF smoothly is mutual, thus realizes relevant call access control; Specifically comprise the following steps:
After step S301, UE access BBF connecting system, BBF connecting system is that UE distributes local ip address.UE originating Internet secret key exchange agreement (IKEv2, Internet Key Exchange) tunnel establishment procedure, and adopt Extensible Authentication Protocol (EAP, Extensible Authentication Protocol) to carry out certification.Owing to being roaming scence, ePDG carries out alternately (or AAA Server carries out with HSS further alternately) to complete EAP certification by AAA Proxy and AAA Server.In EAP verification process, network identity (the VPLMN ID of the visited network that ePDG is positioned at, Virtual Public Land MobileNetwork Idenfier) be sent to AAA Server by AAA Proxy, AAA Server preserves this VPLMN ID and/or further this VPLMN ID is sent to HSS, and HSS preserves this VPLMN ID; Here, AAA Proxy is the AAA of visited network.Between visited network and home network, signature has roaming agreement, but has not signed roaming agreement between BBF connecting system and home network.
Step S302, ePDG send the last item IKEv2 message to UE, wherein carry the IP address that promising UE distributes, are designated IP Address3, as the Care-of Address (CoA) of UE;
Internet protocol safety (IPSec) tunnel is established between step S303, UE and ePDG;
Step S304, UE perform Bootstraping flow process.UE carries out domain name system (DNS, Domain Name System) according to APN (APN, AccessPoint Name) and searches the IP address obtaining and will access the P-GW of PDN.In order to protect the DSMIPv6 message between UE and P-GW, UE uses IKEv2 to set up Security Association, and adopts EAP to carry out certification.P-GW and AAA Server (or AAA Server is mutual with HSS further) carries out having communicated EAP certification, and simultaneously P-GW is that UE distributes an IPv6 address or the prefix home address (HoA) as UE.In the process that P-GW and AAA Server is mutual, the VPLMN ID that the VPLMN ID of preservation sends to P-GW (AAA of home network preserves this VPLMN id information in step S301) or AAA to be returned by HSS by AAA Server sends to P-GW (HSS preserves this VPLMN id information in step S301);
Step S305, UE send DSMIPv6 binding update messages to P-GW, carry CoA and HoA in message.In binding message, lifetime parameter is non-vanishing.P-GW sets up BindingContext;
PCEF in step S306, P-GW sends IP connected reference network (IP-CAN, IP-Connectivity Access Network) session establishment Indication message to H-PCRF, carries user ID, PDN mark and VPLMN ID in this message;
Step S307, H-PCRF carry out QoS mandate according to information such as user ID, return acknowledge message to the PCEF in P-GW;
Step S308, P-GW return binding acknowledgement message to UE;
Step S309, H-PCRF select V-PCRF according to VPLMN ID and send reverse S9 session establishment message to this V-PCRF, carry the accessing position information of the BBF Access Network of the current access of UE;
Step S310, V-PCRF return acknowledge message to H-PCRF after preserving the accessing position information of this BBF Access Network;
Step S311, V-PCRF select BPCF according to the accessing position information of the BBF Access Network of the current access of UE, and send S9* session establishment message to BPCF;
Step S312, BPCF perform resource and admission control further according to the accessing position information of the BBF Access Network of the current access of UE;
Step S313, BPCF return acknowledge message to PCRF.
Embodiment two
Fig. 4 is that UE is by switching flow figure during DSMIPv6 agreement access 3GPP, as shown in Figure 4, utilize the technical scheme in this example, H-PCRF obtains the network identity of the visited network that ePDG is positioned at, what therefore can realize with V-PCRF smoothly is mutual, thus realizes relevant call access control; Specifically comprise the following steps:
Step S401, UE access 3GPP core net by E-UTRAN, and set up PDN connection;
After step S402, UE find BBF, determine to initiate to switch;
After step S403, UE access BBF connecting system, BBF connecting system is that UE distributes local ip address.UE initiates IKEv2 tunnel establishment procedure, and adopts EAP to carry out certification.Owing to being roaming scence, ePDG by AAA Proxy and AAA Server mutual (AAA Server carries out with HSS further alternately) to complete EAP certification.In this process, the network identity VPLMN ID of the visited network that ePDG is positioned at is sent to AAA Server by AAA Proxy, and AAA Server preserves this VPLMN ID and/or further this VPLMN ID is sent to HSS, and HSS preserves this VPLMN ID;
Step S404, ePDG send the last item IKEv2 message to UE, wherein carry an IP address into UE distributes, are designated the CoA of IP Address3 as UE;
Ipsec tunnel is established between step S405, UE and ePDG;
Step S406, if UE did not perform Bootstrapping flow process when being accessed by E-UTRAN, so UE now will perform Bootstrapping flow process.UE carries out dns lookup according to APN and obtains the IP address will accessing the P-GW of PDN.In order to protect the DSMIPv6 message between UE and P-GW, UE uses IKEv2 to set up Security Association, and adopts EAP to carry out certification.P-GW and AAA Server (AAAServer is mutual with HSS further) carries out having communicated EAP certification, and simultaneously P-GW is that UE distributes an IPv6 address or the prefix home address HoA as UE.In the process that P-GW and AAA Server is mutual, the VPLMN ID that the VPLMN ID of preservation sends to P-GW (AAA preserves this information in step S403) or AAA to be returned by HSS by AAA Server sends to P-GW (HSS preserves this information in step S403);
Step S407, if Bootstrapping flow process is crossed in UE executed when being accessed by E-UTRAN, so AAA sends the message providing VPLMN ID to P-GW.If AAA Server preserves this information in step S403, then AAA Server provides this information directly to P-GW, if HSS preserves this information in step S403, then AAA Server forwards this information to P-GW after receiving the information that HSS provides;
This step after AAA Server receives VPLMN ID in step S403, can just trigger this message;
Step S408, P-GW return acknowledge message to AAA Server;
Step S409, UE send DSMIPv6 binding update messages to P-GW, carry CoA and HoA in message.In binding message, lifetime parameter is non-vanishing.P-GW sets up BindingContext;
PCEF in step S410, P-GW sends IP-CAN session modification Indication message to H-PCRF, carries VPLMN ID;
Acknowledge message is returned to PCEF after step S411, H-PCRF preservation information;
Step S412, P-GW return binding acknowledgement message to UE;
Step S413, H-PCRF select V-PCRF according to VPLMN ID and send reverse S9 session establishment message to V-PCRF, carry the accessing position information of the BBF Access Network of the current access of UE;
After step S414, V-PCRF preservation information, return acknowledge message to H-PCRF;
Step S415, V-PCRF select BPCF according to the accessing position information of the BBF Access Network of the current access of UE, and send S9* session establishment message to BPCF;
Step S416, BPCF perform resource and admission control further according to the accessing position information of the BBF Access Network of the current access of UE;
Step S417, BPCF return acknowledge message to V-PCRF.
In other operation flows, after P-GW receives the binding update messages of UE transmission, P-GW asks VPLMN ID to AAA Server, thus AAA Server provides VPLMN ID to P-GW.
Embodiment three
Fig. 5 is that UE is by attachment flow figure during PMIPv6 agreement access 3GPP, as shown in Figure 5, utilize the technical scheme in this example, H-PCRF obtains the network identity of the visited network that ePDG is positioned at, what therefore can realize with V-PCRF smoothly is mutual, thus realizes relevant call access control; Idiographic flow step is as follows:
After step S501, UE access BBF connecting system, BBF connecting system is that UE distributes local ip address.UE initiates IKEv2 tunnel establishment procedure, and adopts EAP to carry out certification.Owing to being roaming scence, ePDG passes through AAA Proxy and AAA Server mutual (AAA Server is mutual with HSS further) to complete EAP certification.In this process, the network identity VPLMN ID of the visited network that ePDG is positioned at is sent to AAA Server by AAA Proxy, and AAA Server preserves this VPLMN ID and/or further this VPLMN ID is sent to HSS, and HSS preserves this VPLMN ID;
Step S502, ePDG send agent binding update messages to selected P-GW after selecting P-GW, carry the information such as user ID in message.After P-GW receives request message, be UE distributing IP address, set up BindingContext;
Step S503, P-GW send to AAA Server and upgrade P-GW IP address message, and the address of P-GW is sent to AAA Server, and AAA Server is mutual with HSS further, is saved in HSS the address of P-GW.In this process, if VPLMN ID sends to P-GW. AAA Server in step S501 to preserve this information by AAA Server, then AAA Server provides this information directly to P-GW, if HSS preserves this information in step S501, then AAA Server forwards this information to P-GW after receiving the information that HSS provides;
PCEF in step S504, P-GW sends IP-CAN session establishment Indication message to H-PCIF, carries user ID, PDN mark and VPLMN ID;
Step S505, H-PCRF carry out QoS mandate according to information such as user ID, return acknowledge message to PCEF;
Step S506, P-GW return proxy binding acknowledgment messages to ePDG, carry the IP address into UE distributes;
Step S507, agent binding update success, sets up ipsec tunnel between UE and ePDG;
Step S508, ePDG send the last item IKEv2 signaling to UE, carry the IP address of UE;
Step S509, H-PCRF select V-PCRF according to VPLMN ID and send reverse S9 session establishment message to V-PCRF, carry the accessing position information of the BBF Access Network of the current access of UE;
After step S510, V-PCRF preservation information, return acknowledge message to H-PCRF;
Step S511, V-PCRF select BPCF according to the accessing position information of the BBF Access Network of the current access of UE, and send S9* session establishment message to BPCF;
Step S512, BPCF perform resource and admission control further according to the accessing position information of the BBF Access Network of the current access of UE;
Step S513, BPCF return acknowledge message to PCRF.
Embodiment four
Fig. 6 is that UE is by switching flow figure during PMIPv6 agreement access 3GPP, as shown in Figure 6, utilize the technical scheme in this example, H-PCRF obtains the network identity of the visited network that ePDG is positioned at, what therefore can realize with V-PCRF smoothly is mutual, thus realizes relevant call access control; Idiographic flow step is as follows:
Step S601, UE access 3GPP core net by E-UTRAN, and set up PDN connection;
Step S602, UE find BBF access, determine to initiate to switch;
After step S603, UE access BBF connecting system, BBF connecting system is that UE distributes local ip address.UE initiates IKEv2 tunnel establishment procedure, and adopts EAP to carry out certification.Owing to being roaming scence, ePDG by AAA Proxy and AAA Server mutual (AAA Server carries out with HSS further alternately) to complete EAP certification.In this process, the network identity VPLMN ID of the visited network that ePDG is positioned at is sent to AAA Server by AAA Proxy, and AAA Server preserves this VPLMN ID and/or further this VPLMN ID is sent to HSS, and HSS preserves this VPLMN ID;
Step S604, ePDG send agent binding update messages to the P-GW selected when E-UTRAN accesses, and carry the information such as user ID in message.After P-GW receives request message, be UE distributing IP address, set up BindingContext;
Step S605, AAA Server sends the message providing VPLMN ID to P-GW.If AAA Server preserves this information in step S603, then AAA Server provides this information directly to P-GW, if HSS preserves this information in step S603, then AAA Server forwards this information to P-GW after receiving the information that HSS provides;
This step after AAA Server receives VPLMN ID in step S603, can just trigger this message;
Step S606, P-GW return acknowledge message to AAA Server;
PCEF in step S607, P-GW sends IP-CAN session modification Indication message to PCRF, carries VPLMN ID;
Step S608, H-PCRF return acknowledge message to PCEF after preserving VPLMN ID;
Step S609, P-GW return proxy binding acknowledgment messages to ePDG, carry the IP address into UE distributes;
Step S610, agent binding update success, sets up ipsec tunnel between UE and ePDG.EPDG sends the last item IKEv2 signaling to UE, carries the IP address of UE;
Step S611, H-PCRF select V-PCRF according to VPLMN ID and send reverse S9 session establishment message to V-PCRF, carry the accessing position information of the BBF Access Network of the current access of UE;
After step S610, V-PCRF preservation information, return acknowledge message to H-PCRF;
Step S611, V-PCRF select BPCF according to the accessing position information of the BBF Access Network of the current access of UE, and send S9* session establishment message to BPCF;
Step S612, BPCF perform resource and admission control further according to the accessing position information of the BBF Access Network of the current access of UE;
Step S613, BPCF return acknowledge message to PCRF.
In other operation flows, after P-GW receives the agent binding update messages of ePDG transmission, P-GW asks VPLMN ID to AAA Server, thus AAA Server provides VPLMN ID to P-GW.
The above embodiment of the present invention is only exemplary explanation, is not intended to limit technology of the present invention and realizes.Above-mentioned access network can be any access network.
Home network of the present invention obtains the system of net element information in visited network, comprises UE, the home network of UE and visited network; Fig. 7 is the composition structural representation that home network of the present invention obtains the system of net element information in visited network, as shown in Figure 7, the system that home network of the present invention obtains net element information in visited network also comprises authentication ' unit 70, reports unit 71, acquiring unit 72 and transmitting element 73; Authentication ' unit 70 and report unit 71 to be arranged in the gateway of visited network; Acquiring unit 72 and transmitting element 73 are arranged in the gateway of home network; Wherein,
Authentication ' unit 70, for carrying out EAP certification to described UE;
Report unit 71, in described EAP verification process, by the identification-information reporting of visited network to the certificate server of home network;
Acquiring unit 72, for obtaining the network identity of visited network from the certificate server of home network;
Transmitting element 73, for sending to strategy and the control network element of home network by the network identity of visited network.
Above-mentioned certificate server is aaa server and/or HSS; Above-mentioned policy control network element is PCRF.
The above-mentioned aaa server reporting unit 71 further the identification information of visited network to be sent to home network by proxy authenticating server; Or the identification-information reporting of visited network is given the HSS of described home network by the aaa server of home network further.
Fig. 8 is another composition structural representation that home network of the present invention obtains the system of net element information in visited network, as Fig. 8 shows, on the basis of system shown in Figure 7, the system that home network of the present invention obtains net element information in visited network also comprises: IP-CAN session establishment unit 74, for setting up IP-CAN session for described UE;
Transmitting element 73 is that UE sets up in IP-CAN conversation procedure at IP-CAN session establishment unit further, the identification information of visited network is sent to the PCRF of described home network.
Above-mentioned UE is arranged in the third party's network outside home network and visited network; Do not support between third party's network and described home network to roam.
The PCRF of described home network, according to the identification information of described visited network, initiates the foundation of policy control session between the PCRF of described visited network;
The PCRF of described visited network accesses the positional information of described third party's network according to the mutual rear described UE obtained, then initiates the foundation of policy control session between the policy control network element of described third party's network.
Those skilled in the art are to be understood that, the system that home network shown in Fig. 7 and Fig. 8 of the present invention obtains net element information in visited network obtains the method for net element information in visited network for realizing aforesaid home network and design, and the practical function of above-mentioned each processing unit can refer to the associated description of preceding method and understands.The function of each processing unit in figure realizes by the program run on processor, also realizes by concrete logical circuit.
The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.

Claims (8)

1. home network obtains a method for net element information in visited network, and it is characterized in that, described method comprises:
The evolution packet data gateway of visited network carries out in verification process, by the identification-information reporting of described visited network to the certificate server of home network to user equipment (UE);
The grouped data network gateway of home network obtains the network identity of described visited network from the certificate server of described home network, and sends to strategy and the control network element of home network;
Wherein, described UE is arranged in the third party's network outside described home network and described visited network; Do not support to roam between described third party's network and described home network;
The strategy of described home network and charging regulation function entity PCRF are according to the identification information of described visited network, and the policy control session of initiating between the PCRF of described visited network is set up;
The PCRF of described visited network accesses the positional information of third party's network according to the mutual rear described UE obtained, then initiates the foundation of policy control session between the policy control network element of described third party's network.
2. method according to claim 1, is characterized in that, described certificate server is authentication, authorization, accounting aaa server and/or home subscriber server HSS; Described policy control network element is PCRF.
3. method according to claim 2, is characterized in that, describedly by the identification-information reporting of described visited network to the certificate server of home network is:
The identification information of described visited network is sent to the aaa server of described home network by the evolution packet data gateway of described visited network by proxy authenticating server; Or the identification-information reporting of described visited network is given the HSS of described home network by the aaa server of described home network further.
4. method according to claim 1, it is characterized in that, the described strategy of home network and the control network element of sending to is: the identification information of described visited network, setting up for described UE in IP connected reference network IP-CAN conversation procedure, is sent to the PCRF of home network by the grouped data network gateway of described home network.
5. home network obtains a system for net element information in visited network, comprises UE, the home network of described UE and visited network; It is characterized in that, described system comprises authentication ' unit, reports unit, acquiring unit and transmitting element; Described authentication ' unit and report unit to be positioned at the evolution Packet Data Network Central Shanxi Plain of described visited network; Described acquiring unit and transmitting element are arranged in the grouped data network gateway of home network; Wherein,
Authentication ' unit, for carrying out certification to described UE;
Report unit, in described verification process, the identification-information reporting of described visited network is given the certificate server of described home network;
Acquiring unit, for obtaining the network identity of described visited network from the certificate server of described home network;
Transmitting element, for sending to strategy and the control network element of described home network by the network identity of described visited network;
Wherein, described UE is arranged in the third party's network outside described home network and described visited network; Do not support to roam between described third party's network and described home network;
The PCRF of described home network, according to the identification information of described visited network, initiates the foundation of policy control session between the PCRF of described visited network;
The PCRF of described visited network accesses the positional information of described third party's network according to the described UE obtained, then initiates the foundation of policy control session between the policy control network element of described third party's network.
6. system according to claim 5, is characterized in that, described certificate server is aaa server and/or HSS; Described policy control network element is PCRF.
7. system according to claim 6, is characterized in that, described in report unit further the identification information of described visited network to be sent to the aaa server of described home network by proxy authenticating server; Or the identification-information reporting of described visited network is given the HSS of described home network by the aaa server of described home network further.
8. system according to claim 5, is characterized in that, described system also comprises:
IP-CAN session establishment unit, for setting up IP-CAN session for described UE;
Described transmitting element is that described UE sets up in IP-CAN conversation procedure at described IP-CAN session establishment unit further, the identification information of described visited network is sent to the PCRF of described home network.
CN201010236205.1A 2010-07-23 2010-07-23 Home network obtains the method and system of net element information in visited network Expired - Fee Related CN102340766B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201010236205.1A CN102340766B (en) 2010-07-23 2010-07-23 Home network obtains the method and system of net element information in visited network

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201010236205.1A CN102340766B (en) 2010-07-23 2010-07-23 Home network obtains the method and system of net element information in visited network

Publications (2)

Publication Number Publication Date
CN102340766A CN102340766A (en) 2012-02-01
CN102340766B true CN102340766B (en) 2015-08-12

Family

ID=45516226

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201010236205.1A Expired - Fee Related CN102340766B (en) 2010-07-23 2010-07-23 Home network obtains the method and system of net element information in visited network

Country Status (1)

Country Link
CN (1) CN102340766B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102761852B (en) * 2011-04-27 2017-05-31 中兴通讯股份有限公司 A kind of method and system for obtaining roaming information
CN103702311A (en) * 2012-09-27 2014-04-02 中兴通讯股份有限公司 Method and system for selecting VPLMN (visited public land mobile network) and packet data network gateway
CN103731930B (en) * 2012-10-12 2018-10-26 中兴通讯股份有限公司 Session establishing method, apparatus and system
WO2016101267A1 (en) * 2014-12-26 2016-06-30 华为技术有限公司 Control method, device and systemfor accessinguntrusted wireless local area networks of user equipment
WO2016183745A1 (en) * 2015-05-15 2016-11-24 华为技术有限公司 Method and apparatus for establishing connection
US10924916B1 (en) * 2017-11-30 2021-02-16 Telefonaktiebolaget Lm Ericsson (Publ) Core network allocation handling
CN115915091A (en) * 2021-09-30 2023-04-04 华为技术有限公司 Communication method and device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101150782A (en) * 2007-10-17 2008-03-26 中兴通讯股份有限公司 A selection method for policy billing control server
CN101420673A (en) * 2007-10-25 2009-04-29 华为技术有限公司 Method and system for implementing policy and charging control
CN101568095A (en) * 2008-04-26 2009-10-28 华为技术有限公司 Method, equipment and system for linking non-3GPP access gateway and policy and charging rule function (PCRF)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8856860B2 (en) * 2006-08-18 2014-10-07 Cisco Technology, Inc. System and method for implementing policy server based application interaction manager

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101150782A (en) * 2007-10-17 2008-03-26 中兴通讯股份有限公司 A selection method for policy billing control server
CN101420673A (en) * 2007-10-25 2009-04-29 华为技术有限公司 Method and system for implementing policy and charging control
CN101568095A (en) * 2008-04-26 2009-10-28 华为技术有限公司 Method, equipment and system for linking non-3GPP access gateway and policy and charging rule function (PCRF)

Also Published As

Publication number Publication date
CN102340766A (en) 2012-02-01

Similar Documents

Publication Publication Date Title
CN101267319B (en) A method for distributing control rule of policy billing
CN101159563B (en) Method and system for selecting strategy charging control server
CN103209401B (en) Policy control method and system in a kind of converged network
CN102340866B (en) A kind of method and system of reporting access information of fixed network
US8943165B2 (en) Method for reselecting bearer binding and event report function
CN102340763B (en) Obtain the method and system of user bandwidth accessing position information
CN102340766B (en) Home network obtains the method and system of net element information in visited network
CN102378280B (en) Policy control method and system for realizing BBF (Broadband Forum) access
CN103096314A (en) Method, system and policy and charging rules function (PCRF) for achieving reflective quality of service (Qos) mechanism
CN104349297A (en) Charging policy method of internetwork signing authorization and device thereof
EP2884802B1 (en) Method and system for notifying access network position information
CN101459524B (en) Method for distributing policy charging control rule
CN103209410A (en) Methods and system for achieving QoS (quality of service) reflection mechanism
CN101778446A (en) Multiple access control method and device and multiple access indicating method in development grouping system
CN101335675A (en) Policy control method
CN102932767B (en) Information transmission method, packet data network gateway as well as policy and charging rules function
CN103702327B (en) Method, system and the equipment of user equipment selection visited Public Land mobile network
CN101447918B (en) Notification method of user equipment access protocol and system thereof
CN102761852B (en) A kind of method and system for obtaining roaming information
CN103702311A (en) Method and system for selecting VPLMN (visited public land mobile network) and packet data network gateway
CN103369502B (en) The processing method and network element of a kind of policy control session
CN102347892B (en) A kind of method and system of acquiring user access information by network equipment
CN102791042B (en) Method and system for establishing S9 subsession and policy and charging rules function (PCRF)
CN101998515A (en) Implementation method and implementation system for controlling PCRF load balancing
CN102378143B (en) A kind of method and system triggering fixed network mobile fusion policy conferring

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150812

Termination date: 20190723