CN103220817A - Session establishing method and device - Google Patents
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Abstract
The invention discloses a session establishing method and device. The method comprises the following steps: an access gateway in a 3rd generation partnership project (3GPP) network receives an Internet protocol (IP) address request message sent by a wireless local area network (WLAN) or a triggering message sent by a certificate authority charging AAA server in the 3GPP network; and the access gateway establishes a session with a grouped data network gateway in the 3GPP network according to the received IP address request message or the triggering message. The problems that a 3GPP and the 3GPP network are in intercommunication so that the stability of a non-3GPP access network is influenced, and establishing cost is high are solved, the compatibility of the non-3GPP network and the compatibility of the 3GPP network are further expanded, the stability of the non-3GPP access network is guaranteed, and the establishing cost is lowered.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of session establishing method and device.
Background technology
Third generation partner program (3rd Generation Partnership Project, abbreviate 3GPP as) grouping system (the Evolved Packet System of evolution, abbreviate EPS as) comprise Universal Terrestrial Radio Access Network (the Evolved Universal Terrestrial Radio Access Network of evolution, abbreviate E-UTRAN as), mobile management unit (Mobility Management Entity, abbreviate MME as), gateway (Serving Gateway, abbreviate S-GW as), grouped data network gateway (Packet Data Network Gateway, abbreviate P-GW as) and home subscriber server (Home Subscriber Server abbreviates HSS as).
Fig. 1 is the 3GPP network in the correlation technique and the schematic network structure of non-3GPP network interworking, as shown in Figure 1, EPS supports the intercommunication with non-3 GPP system, wherein, realize that by the S2a/b/c interface P-GW is as the anchor point between 3GPP and non-3 GPP system with the intercommunication of non-3 GPP system.In the system architecture diagram of EPS, non-3 GPP system inserts and is divided into trustless non-3GPP access and the non-3GPP access of trusted; Wherein, trustless non-3GPP inserts the packet data gateway (Evolved Packet Data Gateway abbreviates ePDG as) that needs through evolution and links to each other with P-GW, and the interface between ePDG and P-GW is S2b; The non-3GPP of trusted inserts and can directly be connected with P-GW by the S2a interface, and the employing of S2a interface is acted on behalf of mobile Internet Protocol (Proxy Mobile IP abbreviates PMIP as) agreement and carried out information interaction; In addition, the S2c interface provides subscriber equipment (User Equipment, abbreviate UE as) with relevant control and the mobility support of user's face between the P-GW, the mobility management protocol of its support is for supporting mobile IP v 6 (the Moblie IPv6 Support for Dual Stack Hosts and Routers of two stacks, abbreviate DSMIPv6 as), it can be used for the access of trustless non-3GPP and the non-3GPP of trusted.
For example, (Wireless Local Area Network WLAN) is paid close attention to as non-3 GPP access network network trusty (trusted non-3GPP IP access network abbreviates TNAN as) WLAN gradually.By non-3GPP network insertion 3GPP network the time, require subnetwork functional entity in the non-3GPP network to support the agreement of 3GPP network, can insert the 3GPP network.Because existing non-3GPP network is changed the stability that may influence existing network, for access 3GPP network influences existing non-3GPP stability of network is irrational, in addition, existing non-3GPP the number networks is huge, and is huge to its construction cost of changing for inserting the 3GPP network.
Therefore, in above-mentioned technology, because of the intercommunication of non-3GPP and 3GPP network influences the stability of non-3 GPP access network network, and the big problem of construction cost, effective solution is not proposed at present as yet.
Summary of the invention
In correlation technique, because of the intercommunication of non-3GPP and 3GPP network influences the stability of non-3 GPP access network network, and the big problem of construction cost, the invention provides a kind of session establishing method and device, to address the above problem at least.
According to an aspect of the present invention, a kind of session establishing method is provided, comprise: the IAD in the third generation partner program 3GPP network receives the IP address request that WLAN (wireless local area network) WLAN sends, the triggering message that the authentication and authorization charging aaa server in the perhaps described 3GPP network sends; Described IAD is set up session according to the described IP address request or the described triggering message that receive with the grouped data network gateway in the described 3GPP network.
Preferably, before described IAD receives the triggering message of the described aaa server transmission in the described 3GPP network, aaa server in the described 3GPP network receives after the Extensible Authentication Protocol EAP authentication success message, sends described triggering message to described IAD.
Preferably, described IAD is according to the described IP address request or the described triggering message that receive, setting up session with the described grouped data network gateway in the described 3GPP network comprises: described IAD sends establishment conversation request message or agent binding update messages according to the described IP address request or the described triggering message that receive to described grouped data network gateway; Described IAD receives establishment conversational response message or the agent binding response message that described grouped data network gateway sends.
Preferably, set up under the situation of session according to the described grouped data network gateway in described triggering message and the described 3GPP network at described IAD, after receiving described establishment conversational response message or agent binding response message, described IAD also comprises, described IAD sends the establishment session to described aaa server and finishes message, wherein, described aaa server is created after session finishes message receiving, and sends EAP authentication success message to described WLAN.
Preferably, set up under the situation of session according to the described grouped data network gateway in described IP address request and the described 3GPP network at described IAD, after receiving described establishment conversational response message or agent binding response message, described IAD comprises also that it is described access network user IP address allocated that described IAD sends described packet data gateway to described WLAN.
Preferably, under roaming scence, described aaa server is the AAA agency.
Preferably, described IP address request is that DynamicHost is provided with protocol DHCP message or route request information, and it is that DynamicHost is provided with protocol DHCP agreement or Neighbor Discovery Protocol that described IAD receives the agreement that described IP address request that described WLAN sends supported.
According to a further aspect in the invention, a kind of session apparatus for establishing is provided, be arranged in the IAD of third generation partner program 3GPP network, comprise: receiver module, be used to receive the IP address request that WLAN (wireless local area network) WLAN sends, the triggering message that the authentication and authorization charging aaa server in the perhaps described 3GPP network sends; Set up module, be used for setting up session with the grouped data network gateway in the described 3GPP network according to the described IP address request or the described triggering message that receive.
Preferably, the described module of setting up comprises, first sending module is used for according to the described IP address request or the described triggering message that receive, sends to described grouped data network gateway and creates conversation request message or agent binding update messages; First receiver module is used to receive establishment conversational response message or the agent binding response message that described grouped data network gateway sends.
Preferably, also comprise, second sending module, be used for setting up under the situation of session according to the described grouped data network gateway of described triggering message and described 3GPP network at described IAD, after described IAD receives described establishment conversational response message or agent binding response message, send the establishment session to described aaa server and finish message, wherein, described aaa server is created after session finishes message receiving, and sends EAP authentication success message to described WLAN.
Preferably, also comprise, the 3rd sending module, be used for setting up under the situation of session according to the described grouped data network gateway of described IP address request and described 3GPP network at described IAD, after described IAD received described establishment conversational response message or agent binding response message, sending described packet data gateway to described WLAN was described access network user IP address allocated.
By the present invention, adopt the IAD in the third generation partner program 3GPP network to receive the IP address request that WLAN (wireless local area network) WLAN sends, the triggering message that the authentication and authorization charging aaa server in the perhaps described 3GPP network sends; Described IAD is according to the described IP address request or the described triggering message that receive, set up session with the grouped data network gateway in the described 3GPP network, solved the stability that influences the non-3 GPP access network network because of the intercommunication of non-3GPP and 3GPP network, and the big problem of construction cost, and then reached the compatibility of expanding non-3GPP and 3GPP network, guarantee the stability of non-3 GPP access network network and the effect that has reduced construction cost.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the 3GPP network in the correlation technique and the schematic network structure of non-3GPP network interworking;
Fig. 2 is the flow chart according to the session establishing method of the embodiment of the invention;
Fig. 3 is the structured flowchart according to the session apparatus for establishing of the embodiment of the invention;
Fig. 4 is a structured flowchart of setting up module 34 in the session apparatus for establishing according to the embodiment of the invention;
Fig. 5 a is the structured flowchart of session apparatus for establishing one according to the preferred embodiment of the invention;
Fig. 5 b is the structured flowchart of session apparatus for establishing two according to the preferred embodiment of the invention;
Fig. 6 is according under the non-roaming scene of being in of the embodiment of the invention, and terminal inserts the Organization Chart of EPS by WLAN trusty;
Fig. 7 is according to being under the ownership place access roaming scene of the embodiment of the invention, and terminal inserts the Organization Chart of EPS by WLAN trusty;
Fig. 8 is according to being under the access roaming scene of roaming place of the embodiment of the invention, and terminal inserts the Organization Chart of EPS by WLAN trusty;
Fig. 9 is the attachment flow figure that inserts EPS according to the terminal of the embodiment of the invention by WLAN trusty;
Figure 10 is the another attachment flow figure that inserts EPS according to the terminal of the embodiment of the invention by WLAN trusty.
Embodiment
Hereinafter will describe the present invention with reference to the accompanying drawings and in conjunction with the embodiments in detail.Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
A kind of session establishing method is provided in the present embodiment, and Fig. 2 is the flow chart according to the session establishing method of the embodiment of the invention, and as shown in Figure 2, this method comprises the steps:
Step S202, IAD in the 3GPP network receives the IP address request that WLAN sends, the perhaps triggering message that sends of the authentication and authorization charging aaa server in the 3GPP network, for example, this IP address request can be provided with agreement (Dynamic Host Configuration Protocol for DynamicHost, abbreviate DHCP as) message or route request information, this triggering message is used to trigger the session of IAD foundation and 3GPP network;
Step S204, this IAD is set up session according to the above-mentioned IP address request or the above-mentioned triggering message that receive with the grouped data network gateway in the 3GPP network.
By above-mentioned steps, that is, realize that by IAD UE inserts the 3GPP network by WLAN, do not require that the network element in the WLAN access network supports the 3GPP network to require the agreement of supporting, do not need the framework of WLAN access network is changed yet.It is more easy that this invention makes that UE inserts the 3GPP network by WLAN, guaranteed the stability of non-3 GPP access network network, also greatly reduces cost simultaneously.
When implementing, when UE is linked into the 3GPP network by access network, need set up the session between this IAD and the 3GPP P-GW, and before the session of setting up between it, need the foundation of respective link between this IAD and the 3GPP network be triggered, trigger method can have a variety of, for example, can access network is inserted the 3GPP network authenticate pass through after, authentication and authorization charging (Authentication Authorization Accounting by the 3GPP network, abbreviating AAA as) server (it is to be noted, under roaming scence, this aaa server is AAA agency) grouped data network gateway that triggers in this IAD and the 3GPP network (for example, P-GW) connects.Particularly, before IAD received the triggering message of the aaa server transmission in the 3GPP network, the aaa server in the 3GPP network received after the Extensible Authentication Protocol EAP authentication success message, sends above-mentioned triggering message to this IAD.
Again for example, the grouped data network gateway that can also trigger in this IAD and the 3GPP network by the mode that sends the IP address request connects, this request message can be dhcp message or route request information, promptly when IAD receives above-mentioned request message, promptly set up the session between the grouped data network gateway in itself and the 3GPP network.
When implementing, IAD is according to the IP address request that receives or trigger message, sends to grouped data network gateway and creates conversation message or agent binding update messages; IAD receives establishment conversational response message or the agent binding response message that above-mentioned grouped data network gateway sends.This IAD receives to be created the link that conversational response message or binding reply between the packet data gateway that shows in this IAD and the 3GPP network and communicates.
Create triggering mode different of session according to triggering IAD and grouped data network gateway, the session foundation flow process afterwards between the grouped data network gateway in IAD and the 3GPP network is different, specifies below:
Set up under the situation of session according to this grouped data network gateway in this triggering message and this 3GPP network at this IAD, this IAD comprises also after receiving this establishment conversational response message or agent binding response message that this IAD sends the establishment session to this aaa server and finishes message; This aaa server is created after session finishes message receiving, and sends EAP authentication success message to this wlan network, and this wlan network can receive this authentication success message by access controller AC/ wideband network gateway BNG control appliance, and informs UE; This UE receives after this authentication success message, begins by IP Address requests flow process, and the packet data gateway that obtains in the 3GPP network is its IP address allocated.
And set up under the situation of session according to this grouped data network gateway in this IP address request and this 3GPP network at this IAD, this IAD also comprises after receiving this establishment conversational response message or agent binding response message, it is the UE IP address allocated that this IAD sends this packet data gateway to this wlan network, wherein, this IP address request is that DynamicHost is provided with protocol DHCP message or route request information, and it is that DynamicHost is provided with protocol DHCP agreement or Neighbor Discovery Protocol that this IAD receives the agreement that this IP address request that this wlan network sends supported.
Need to prove that the grouped data network gateway in this IAD and the 3GPP network is set up the agreement that session supports can be GPRS Tunnel Protocol/proxy mobile IP protocol PMIP.The agreement that the IP address request that this IAD reception WLAN sends is supported is that DynamicHost is provided with protocol DHCP agreement or Neighbor Discovery Protocol.Be that the agreement that IAD is supported can be GPRS Tunnel Protocol (GPRS Tunnelling Protocol abbreviates GTP as) agreement/PMIP agreement, at this moment, this IAD can by with this network system in P-GW set up the GTP/PMIP session.And, as above-mentioned illustrated, the message that this IAD receives can be that the AAA in the network system sends, also can be the WLAN access network (for example, access control point (Access Controller, abbreviate AC as)/wideband network gateway (Broadband Network Gateways abbreviates BNG as) control appliance) send to IAD.For example, before inserting the 3GPP network, when the aaa server by the 3GPP network carries out authentication, the aaa server of 3GPP network is after the message that receives the UE authentication success, send this message to IAD, such as, this message can be to create session to trigger message, the agreement of support can be diameter agreement or other agreements; Again for example, UE also can transmit by AC/BNG after obtaining authentication success message, sends this message to IAD, such as, this moment, this message can be DHCP protocol message or route request information.
By the foregoing description and preferred embodiment, do not require that access network (for example, WLAN) network element (is for example supported above-mentioned network system, the 3GPP network) agreement (for example, GTP or PMIP agreement), newly-increased functional entity is supported above-mentioned agreement in the 3GPP network system so that the core net that subscriber equipment (UE) can be by the normal access network system of above-mentioned access network (for example, EPC) in.
A kind of session apparatus for establishing also is provided in the present embodiment, and this device is used to realize the foregoing description and preferred implementation, has carried out repeating no more of explanation.As used below, the combination of the software and/or the hardware of predetermined function can be realized in term " module ".Although the described device of following examples is preferably realized with software, hardware, perhaps the realization of the combination of software and hardware also may and be conceived.
Fig. 3 is the structured flowchart according to the session apparatus for establishing of the embodiment of the invention, and as shown in Figure 3, this device is arranged in the IAD of third generation partner program 3GPP network, comprises receiver module 32 and sets up module 34.Below this device is described.
Receiver module 32 is used to receive the IP address request that WLAN (wireless local area network) WLAN sends, perhaps the triggering message of the transmission of the authentication and authorization charging aaa server in the 3GPP network; Set up module 34, be used for setting up session with the grouped data network gateway in the 3GPP network according to IP address request that receives or triggering message.
Fig. 4 is a structured flowchart of setting up module 34 in the session apparatus for establishing according to the embodiment of the invention, as shown in Figure 4, this is set up module and comprises, first sending module 342, be used for according to IP address request that receives or triggering message, send to grouped data network gateway and create conversation request message or agent binding update messages; First receiver module 344 is connected to first sending module 342, is used for establishment conversational response message or agent binding response message that the receiving block data network gateway sends.
Fig. 5 a is the structured flowchart of session apparatus for establishing one according to the preferred embodiment of the invention, shown in Fig. 5 a, this device all modules in comprising Fig. 4, also comprise, second sending module 50, be connected to the above-mentioned module 34 of setting up, be used for setting up under the situation of session according to the grouped data network gateway that triggers message and 3GPP network at IAD, after IAD receives establishment conversational response message or agent binding response message, send the establishment session to aaa server and finish message, wherein, aaa server is created after session finishes message receiving, and sends EAP authentication success message to WLAN.
Fig. 5 b is the structured flowchart of session apparatus for establishing two according to the preferred embodiment of the invention, shown in Fig. 5 b, this device all modules in comprising Fig. 4, also comprise, the 3rd sending module 52, be connected to the above-mentioned module 34 of setting up, be used for setting up under the situation of session according to the grouped data network gateway of IP address request and 3GPP network at IAD, after IAD received establishment conversational response message or agent binding response message, sending packet data gateway to WLAN was access network user IP address allocated.
Access network can be for multiple in enforcement of the present invention, for example, for by non-3GPP network insertion 3GPP network the time, this non-3 GPP access network network can be WLAN trusty, and inserting the 3GPP network with WLAN below is that example describes thought of the present invention.Need to prove that UE inserts 3GPP EPC network by WLAN, this 3GPP network is different with existing 3GPP network, and this 3GPP network comprises a kind of IAD (being the IAD in the above-mentioned middle 3GPP network) of enhancing.
Realized that in the present embodiment UE inserts the framework of EPC by WLAN trusty, being achieved as follows of technical scheme: a kind of WLAN IAD of enhancing is positioned at the 3GPP network, realizes the intercommunication of wlan network and EPC network; Need to prove, support the GTP/PMIP agreement between the WLAN IAD of this enhancing and the P-GW of EPC network; And/or the WLAN IAD of enhancing and the interface between the 3GPP AAA are used for triggering between the P-GW of eWAG and EPC by AAA sets up the GTP/PMIP tunnel; In addition, the WLAN IAD of enhancing and the interface between the wlan network, the chain of command message between support wlan network and the EPC network and the forwarding of user face data.
In an embodiment of the present invention, do not limit for access network, other access network also can be realized such effect, does not point out one by one here.For example, in the BBF network, if RG supports the function of AP, BNG supports the function of AC, and above-mentioned technical scheme is equally applicable to the BBF network, and therefore, the AP of embodiment can be replaced by RG, and AC can be replaced by BNG.
Realize the access of access network at above-mentioned by the IAD that strengthens to network system, same, be access network here with WLAN, be network system is that example describes with 3GPP.
In this embodiment, mainly be the Organization Chart of the whole network when describing UE and inserting EPC by WLAN trusty.The central idea of this framework is: the network element of wlan network inside remains unchanged, and in the 3GPP network, increases a WLAN IAD, be responsible for and wlan network and EPC network between chain of command and user plane messages intercommunication.When implementing, at various scenes, may change slightly the residing position of the functional entity of finishing IAD, but can't be above the central idea of above-mentioned framework.
The difference that network element that this framework relates to and existing access network insert the related network element of existing 3GPP network is, (Enhanced WLAN Access Gateway, eWAG): the WLAN IAD of this enhancing is responsible for the chain of command message between wlan network and the EPC network and the intercommunication of user face data to have added the WLAN IAD of an enhancing in the 3GPP network.It is relevant that concrete residing position and user insert the residing scene of 3GPP network system, and for example, under roaming scence, eWAG is positioned in the visit VPLMN network (Visited Public Land Mobile Netwirk abbreviates VPLMN as) of 3GPP.
Involved key interface is as follows in this 3GPP network:
Interface i: be the interface between 3GPP AAA and the eWAG.Under the roaming scence, be the interface between the 3GPP AAA agency of eWAG and roaming place.This interface is used for triggering between the P-GW of eWAG and EPC by AAA sets up the GTP/PMIP tunnel.Interface j: be the interface between the AC/BNG of eWAG and WLAN, this interface needs between wlan network and the 3GPP network to consult to support, this interface major function is to support the chain of command message between wlan network and the EPC network and the forwarding of user face data.Interface x: be the interface between the P-GW of eWAG and EPC, this interface is supported the GTP/PMIP agreement.The data between UE and the PDN are handled and are transmitted in UE session between management eWAG and the P-GW.
In conjunction with above-mentioned introduction, below the terminal under the various scenes is described by the Organization Chart that WLAN trusty inserts EPS network element in the present embodiment and interface.
Fig. 6 is according under the non-roaming scene of being in of the embodiment of the invention, terminal inserts the Organization Chart of EPC by WLAN trusty, as shown in Figure 6, this interface i is the interface between 3GPP AAA and the eWAG, this interface j is the interface between the AC/BNG of eWAG and WLAN, and this interface x is the interface between the P-GW of eWAG and EPC.
Fig. 7 is being under the ownership place access roaming scene according to the embodiment of the invention, terminal inserts the Organization Chart of EPC by WLAN trusty, as shown in Figure 7, this 3GPP network comprises VPLMN and home public land mobile network (Home Public Mobile Network, abbreviate HPLMN as), wherein, the WLAN IAD of enhancing is positioned at VPLMN, and P-GW is positioned at HPLMN.This interface i is the interface between the 3GPP AAA agency of eWAG and roaming place, and this interface j is the interface between the AC/BNG of eWAG and WLAN, and this interface x is the interface between the P-GW of eWAG and EPC.
Fig. 8 is being under the access roaming scene of roaming place according to the embodiment of the invention, terminal is by the Organization Chart of WLAN access EPC trusty, and as shown in Figure 8, this 3GPP network comprises VPLMN and HPLMN, wherein, the WLAN IAD of enhancing and P-GW all are positioned at VPLMN.This interface i is the interface between the 3GPP AAA agency of eWAG and roaming place, and this interface j is the interface between the AC/BNG of eWAG and WLAN, and this interface x is the interface between the P-GW of eWAG and EPC.
Based on the framework shown in the foregoing description, the user inserts EPS by WLAN.In this attachment flow, after AAA receives EAP authentication success message, trigger between eWAG and the P-GW and set up the GTP/PMIP tunnel.Fig. 9 inserts the attachment flow figure of EPS according to the terminal of the embodiment of the invention by WLAN trusty, and as shown in Figure 9, this flow process comprises the steps:
Step S902, UE carries out the proprietary flow process of WLAN inside, comprising: flow processs such as access, local authentication;
Step S904, AC/BNG initiate the EAP identifying procedure as the EAP authenticator to UE;
Step S906-S908,3GPP AAA (such as: non-roaming scene) or 3GPP AAA agency (such as: roaming scence) receive after the EAP authentication success message, can send to eWAG and create the session triggering, this message may be other message, and purpose is that triggering eWAG and P-GW create session;
Step S910, eWAG receive that creating session triggers message, can send to P-GW and create conversation request or agent binding update messages;
After step S912, P-GW receive and create conversation request, then send establishment conversational response or agent binding response message to eWAG;
Step S914-S916, eWAG receive and create after conversational response or the agent binding response message, eWAG to 3GPP AAA (such as: non-roaming scene) or 3GPP AAA agency (such as: roaming scence) send and create session and finish message;
Step S918a-S918b, 3GPP AAA (such as: non-roaming scene) or 3GPP AAA agency (such as: roaming scence) send EAP authentication success message to AC/BNG;
After step S920, UE receive EAP authentication success message, begin by IP Address requests flow process, obtain P-GW and be its IP address allocated, wherein, IP Address requests agreement can be the DHCP agreement.
Figure 10 inserts the another attachment flow figure of EPS according to the terminal of the embodiment of the invention by WLAN trusty, and as shown in figure 10, this flow process comprises the steps:
Under the framework of the foregoing description and preferred embodiment, the user inserts the attachment flow of EPS by WLAN.Be with the difference of above-mentioned attachment flow: after eWAG receives the IP address request, trigger between eWAG and the P-GW and set up the GTP/PMIP tunnel.
Step S1002, UE carries out the proprietary flow process of WLAN inside, comprising: flow processs such as access, local authentication;
Step S1004, AC/BNG initiate the EAP identifying procedure as the EAP authenticator to UE;
After step S1006, UE receive EAP authentication success message, send DHCP to AC/BNG and find or request message; AC/BNG forwards the message to eWAG as DHCP relay;
After step S1008, eWAG receive DHCP discovery or request message, can send to P-GW and create conversation request or agent binding update messages;
After step S1010, P-GW receive and create conversation request, then send establishment conversational response or agent binding response message to eWAG;
Step S1012, P-GW transmits DHCP by AC/BNG and provides or notice message, and P-GW is carried to UE for the UE IP address allocated;
Step S1014, UE send DHCP request message or request message by AC/BNG to eWAG, to confirm that P-GW is the UE IP address allocated;
Step S1016, eWAG sends DHCP request message or request message to UE, to confirm that P-GW is the UE IP address allocated.
Need to prove that above-mentioned DHCP request message also can replace with route request information, difference is that AC/BNG receives the broadcasting route request information of UE timed sending, receive this message after, an and newly-built route request information sends to eWAG.Equally, AC/BNG receives that after the route response message that eWAG returns, a newly-built route response message is given UE.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, and in some cases, can carry out step shown or that describe with the order that is different from herein, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. session establishing method is characterized in that comprising:
IAD in the third generation partner program 3GPP network receives the IP address request that WLAN (wireless local area network) WLAN sends, the triggering message that the authentication and authorization charging aaa server in the perhaps described 3GPP network sends;
Described IAD is set up session according to the described IP address request or the described triggering message that receive with the grouped data network gateway in the described 3GPP network.
2. method according to claim 1, it is characterized in that, before described IAD receives the triggering message of the described aaa server transmission in the described 3GPP network, aaa server in the described 3GPP network receives after the Extensible Authentication Protocol EAP authentication success message, sends described triggering message to described IAD.
3. method according to claim 1 is characterized in that, described IAD is set up session with the described grouped data network gateway in the described 3GPP network and comprised according to the described IP address request or the described triggering message that receive:
Described IAD sends establishment conversation request message or agent binding update messages according to the described IP address request or the described triggering message that receive to described grouped data network gateway;
Described IAD receives establishment conversational response message or the agent binding response message that described grouped data network gateway sends.
4. method according to claim 3, it is characterized in that, set up under the situation of session according to the described grouped data network gateway in described triggering message and the described 3GPP network at described IAD, after receiving described establishment conversational response message or agent binding response message, described IAD also comprises, described IAD sends the establishment session to described aaa server and finishes message, wherein, described aaa server is created after session finishes message receiving, and sends EAP authentication success message to described WLAN.
5. method according to claim 3, it is characterized in that, set up under the situation of session according to the described grouped data network gateway in described IP address request and the described 3GPP network at described IAD, after receiving described establishment conversational response message or agent binding response message, described IAD comprises also that it is described access network user IP address allocated that described IAD sends described packet data gateway to described WLAN.
6. according to each described method among the claim 1-5, it is characterized in that under roaming scence, described aaa server is the AAA agency.
7. method according to claim 6, it is characterized in that, described IP address request is that DynamicHost is provided with protocol DHCP message or route request information, and it is that DynamicHost is provided with protocol DHCP agreement or Neighbor Discovery Protocol that described IAD receives the agreement that described IP address request that described WLAN sends supported.
8. a session apparatus for establishing is characterized in that, is arranged in the IAD of third generation partner program 3GPP network, comprising:
Receiver module is used to receive the IP address request that WLAN (wireless local area network) WLAN sends, the triggering message that the authentication and authorization charging aaa server in the perhaps described 3GPP network sends;
Set up module, be used for setting up session with the grouped data network gateway in the described 3GPP network according to the described IP address request or the described triggering message that receive.
9. device according to claim 8 is characterized in that, the described module of setting up comprises,
First sending module is used for according to the described IP address request or the described triggering message that receive, sends to described grouped data network gateway and creates conversation request message or agent binding update messages;
First receiver module is used to receive establishment conversational response message or the agent binding response message that described grouped data network gateway sends.
10. device according to claim 9, it is characterized in that, also comprise, second sending module, be used for setting up under the situation of session according to the described grouped data network gateway of described triggering message and described 3GPP network at described IAD, after described IAD receives described establishment conversational response message or agent binding response message, send the establishment session to described aaa server and finish message, wherein, described aaa server is created after session finishes message receiving, and sends EAP authentication success message to described WLAN.
11. device according to claim 9, it is characterized in that, also comprise, the 3rd sending module, be used for setting up under the situation of session according to the described grouped data network gateway of described IP address request and described 3GPP network at described IAD, after described IAD received described establishment conversational response message or agent binding response message, sending described packet data gateway to described WLAN was described access network user IP address allocated.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100190168A CN103220817A (en) | 2012-01-20 | 2012-01-20 | Session establishing method and device |
| PCT/CN2012/087045 WO2013107243A1 (en) | 2012-01-20 | 2012-12-20 | Session establishing method and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012100190168A CN103220817A (en) | 2012-01-20 | 2012-01-20 | Session establishing method and device |
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| CN (1) | CN103220817A (en) |
| WO (1) | WO2013107243A1 (en) |
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