WO2014032542A1 - Procédé et système pour la configuration d'une pluralité de connexions - Google Patents

Procédé et système pour la configuration d'une pluralité de connexions Download PDF

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Publication number
WO2014032542A1
WO2014032542A1 PCT/CN2013/082101 CN2013082101W WO2014032542A1 WO 2014032542 A1 WO2014032542 A1 WO 2014032542A1 CN 2013082101 W CN2013082101 W CN 2013082101W WO 2014032542 A1 WO2014032542 A1 WO 2014032542A1
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WIPO (PCT)
Prior art keywords
twag
bng
aaa server
information
access
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PCT/CN2013/082101
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English (en)
Chinese (zh)
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WO2014032542A9 (fr
Inventor
范亮
尤建洁
王怀滨
袁博
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中兴通讯股份有限公司
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Publication of WO2014032542A1 publication Critical patent/WO2014032542A1/fr
Publication of WO2014032542A9 publication Critical patent/WO2014032542A9/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/12—Setup of transport tunnels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/15—Setup of multiple wireless link connections

Definitions

  • the present invention relates to a multi-connection establishment technique, and more particularly to a multi-connection establishment method and system. Background technique
  • Multimode terminals can choose to access different types of access networks to carry diverse services. Because different network connections have different characteristics and transmission capabilities, they can better meet the needs of users with multiple services. Multimode terminals enable seamless connectivity between different types of wireless access networks, such as Universal Mobile Telecommunication System (UMTS) / EDGE (Enhanced Data Rate for GSM Evolution, Enhanced Data Rate for GSM (Global System) For Mobile communication, Global Technology (LTE) / General Packet Radio Service (GPRS, General Packet Radio Service) and IEEE, Institute of Electrical and Electronics Engineer 802.11 Wireless LAN (WLAN, Wireless) Local Area Network ) connection.
  • UMTS Universal Mobile Telecommunication System
  • EDGE Enhanced Data Rate for GSM Evolution, Enhanced Data Rate for GSM (Global System) For Mobile communication
  • LTE Global Technology
  • GPRS General Packet Radio Service
  • IEEE Institute of Electrical and Electronics Engineer 802.11 Wireless LAN (WLAN, Wireless) Local Area Network ) connection.
  • WLANs provide high data rates in a small range of homes and hotspots, while cellular networks offer greater flexibility and ubiquitous coverage, but at lower data rates, if combined with the advantages of both, users will Benefited from.
  • multimode terminals use WLAN for data access and Voice over Internet Protocol (VoIP) applications, while also using overlapping cellular networks for voice calls or media access.
  • VoIP Voice over Internet Protocol
  • the International Standards Organization Broadband Forum (BBF, Broadband Forum) and the 3rd Generation Partnership Project (3GPP, 3rd Generation Partnership Project) are standardizing work on Fixed Network and Mobile Network Convergence (FMC).
  • FMC Fixed Network and Mobile Network Convergence
  • the scenario includes the authentication, address allocation, and policy control of the 3GPP user equipment (UE, User Equipment) accessing from the BBF network through the residential gateway (RG, Residential Gateway).
  • the 3GPP UE initiates access authentication to the RG as the 802. lx client.
  • the RG acts as the 802. lx authenticator and the remote authentication dial in user service (RADIUS, Remote Authentication Dial In User Service) to the BBF AAA.
  • the server Authentication Authorization Accounting, Authentication, Authorization, Accounting
  • the address request message initiated by the 3GPP UE is via the broadband network.
  • Packet Data Network Gateway requests an IP address.
  • the S2a session is established between the BNG and the PDN-GW, and the GTP (GPRS Tunneling Protocol, GPRS (General Packet Radio Service) tunneling protocol) or the proxy mobile Internet protocol is used.
  • GTP GPRS Tunneling Protocol, GPRS (General Packet Radio Service) tunneling protocol
  • each user BNG needs to establish an S2a session with the PDN-GW.
  • all BNG devices need to be upgraded and have a large impact on the live network.
  • a fixed network access gateway is referenced (for example, a trusted WLAN access gateway).
  • TWAG Trusted WLAN Access Gateway
  • Figure 1 the network structure after the introduction of TWAG is shown in Figure 1. After the introduction of the fixed network access gateway, large-scale upgrades of BNG equipment are not required, and the impact on the existing network can be minimized.
  • the main purpose of the present invention is to provide a method and system for establishing a multi-connection, which can establish different sessions for different UEs in the same L2TP tunnel according to the APN information that the UE wants to access.
  • the technical solution of the present invention is achieved as follows:
  • a method for establishing multiple connections comprising:
  • the broadband network gateway BNG receives the peer-to-peer protocol PPP or the Ethernet peer-to-peer protocol PPPoE access request message initiated by the UE, and then forwards to the trusted wireless office or the network access gateway TWAG through the L2TP tunnel;
  • the PDN connection of the UE is established with the PDN gateway according to the access point name APN information that the UE wants to access, and the PDN gateway is The IP address information allocated by the UE is sent to the UE.
  • the method further includes:
  • the BNG After the BNG receives the PPP or PPPoE access request message initiated by the UE, and determines that the second layer tunneling protocol L2TP tunnel is not established between the BNG and the TWAG, the BNG needs to access according to the acquired UE.
  • the APN information or the L2TP parameter information establishes an L2TP tunnel of the UE with the TWAG.
  • the method further includes:
  • the TWAG sends the IP address information allocated by the PDN gateway to the UE through the L2TP session and sends the information to the UE via the BNG.
  • the method further includes:
  • the TWAG initiates an authentication request based on the UE to the 3GPP-certified authorized charging AAA server, and the 3GPP AAA server sends the TWAG to the TWAG through the broadband forum BBF AAA server after the authentication of the UE passes And sending the UE authentication success message or the authorization message, where the UE authentication success message or the authorization message carries the APN access list information.
  • the method further includes:
  • the PPP or PPPoE access request message carries the APN information that the UE wants to access.
  • the TWAG obtains the APN information that the UE wants to access from the PPP or PPPoE access request message initiated by the UE.
  • the method further includes:
  • the BNG initiates an authentication request based on the UE to a BBF AAA server, and the BBF AAA server sends an authentication request based on the UE to a 3GPP AAA server of the 3rd Generation Partnership Project Organization;
  • the 3GPP AAA server After the authentication by the UE is passed, the 3GPP AAA server sends the UE authentication success message or the authorization message to the BNG through the BBF AAA server; the UE authentication success message or the authorization message carries the L2TP parameter. information.
  • the method further includes:
  • the TWAG determines, according to the acquired APN information that the UE wants to access and the APN access list information, that the PDN connection of the UE is allowed to be established.
  • the method further includes:
  • the TWAG sends the IP address information allocated by the PDN gateway to the UE to the UE in an IPCP negotiation process with the UE.
  • the method further includes:
  • the different UEs carrying different APN information between the BNG and the TWAG establish different sessions in the same L2TP tunnel;
  • the BNG and the TWAG establish different L2TP tunnels for different UEs carrying the same APN information.
  • the method further includes:
  • the TWAG maintains the L2TP tunnel of the UE and the binding of the session to the GTP/PMIP connection
  • the GTP/PMIP connection is a connection between the BNG and the PDN gateway.
  • a multi-connection established system the system comprising a BNG, a TWAG and a PDN gateway, wherein:
  • the BNG is configured to receive the PPP or PPPoE access request message initiated by the UE, and then forward the message to the TWAG through the L2TP tunnel;
  • the TWAG configured to determine that a PDN connection of the UE is allowed to be established, establish a PDN connection of the UE with a PDN gateway according to the APN information that the UE wants to access, and allocate the PDN gateway to the UE.
  • the IP address information is sent to the UE.
  • the BNG is further configured to: when it is determined that the L2TP tunnel is not established between the BNG and the TWAG, according to the acquired UE to be accessed
  • the APN information or the L2TP parameter information establishes an L2TP tunnel of the UE with the TWAG.
  • the BNG sends an L2TP session establishment request to the BWAG for the PPP or PPPoE request of the UE in the L2TP tunnel;
  • the TWAG is further configured to: send, by the BNG, the IP address information allocated by the PDN to the UE to the UE by using the L2TP tunnel.
  • the system further comprises a 3GPP AAA server and a BBF AAA server, wherein:
  • the TWAG is further configured to initiate a UE-based authentication request to the BBF AAA server;
  • the BBF AAA server is further configured to: send the UE-based authentication request sent by the TWAG to the 3GPP AAA server, and receive a UE authentication success message or an authorization message sent by the 3GPP AAA and send the message to the TWAG ;
  • the 3GPP AAA server is further configured to: after the authentication of the UE passes, send a UE authentication success message or an authorization message to the TWAG by using the BBF AAA server, where The UE authentication success message or the authorization message carries the APN access list information.
  • the BNG is further configured to: initiate an authentication request based on the UE to the BBF AAA server, where the BBF AAA server forwards an authentication request based on the UE to the 3GPP AAA server;
  • the 3GPP AAA server is further configured to: after the authentication based on the UE passes, send the UE authentication success message or an authorization message to the BNG by using the BBF AAA server; in the UE authentication success message or the authorization message Carry L2TP parameter information.
  • the TWAG is further configured to determine, according to the acquired APN information that the UE wants to access and the APN access list information, that the PDN connection of the UE is allowed to be established.
  • the TWAG is further configured to send the IP address information allocated by the PDN gateway to the UE to the UE in an IPCP negotiation process with the UE.
  • the different UEs carrying the same APN information between the BNG and the TWAG establish different sessions in the same L2TP tunnel;
  • the different UEs carrying different APN information between the BNG and the TWAG establish different sessions in the same L2TP tunnel;
  • the BNG and the TWAG establish different L2TP tunnels for different UEs carrying the same APN information.
  • the BNG receives the Point-to-Point Protocol (PPP) or the Point-to-Point Protocol over Ethernet (PPPoE) access request message initiated by the UE.
  • PPP Point-to-Point Protocol
  • PPPoE Point-to-Point Protocol over Ethernet
  • the L2TP tunnel is forwarded to the TWAG; the TWAG determines, according to the acquired access point name (APN, Access Point Name) information and the APN access list information that the UE wants to access, the APN to be established according to the UE.
  • the PDN gateway establishes a PDN connection of the UE, and sends the IP address information allocated by the PDN gateway to the UE to the UE by using the BNG, where the BNG and the TWAG are in the same second for different UEs carrying the same APN information.
  • L2TP Layer 2 Tunneling Protocol
  • the BNG and TWAG establish different sessions in the same L2TP tunnel for different UEs carrying different APN information.
  • BNG and TWAG establish different interfaces for different UEs carrying the same APN information.
  • the TWAG maintains the binding relationship between the L2TP tunnel and the session of the UE and the GTP/PMIP connection.
  • the invention realizes the multi-connection establishment based on the APN information, expands the application of the FMC architecture, and can identify the corresponding session through the APN information.
  • FIG. 1 is a schematic diagram of the FMC architecture
  • FIG. 2 is a flowchart of a method for establishing multiple connections according to Embodiment 1 of the present invention
  • FIG. 3 is a flowchart of a method for establishing multiple connections according to Embodiment 2 of the present invention.
  • FIG. 4 is a schematic diagram of encapsulation and decapsulation of data packets of a method for establishing multiple connections according to an embodiment of the present invention. detailed description
  • the embodiment of the present invention relates to: after receiving the PPP or PPPoE access request message initiated by the UE, the BNG forwards the message to the TWAG; when the TWAG determines that the PDN connection of the UE is allowed to be established, the BNG establishes the UE according to the APN information that the UE wants to access and the PDN gateway.
  • the PDN connection is sent to the UE by the IP address information allocated by the PDN gateway for the UE.
  • the BNG and the TWAG establish different sessions in the same L2TP tunnel for different UEs carrying the same APN information. Alternatively, different UEs carrying different APN information between the BNG and the TWAG establish different sessions in the same L2TP tunnel.
  • a different L2TP tunnel is established between the BNG and the TWAG for different UEs carrying the same APN information.
  • the TWAG maintains the binding relationship between the L2TP tunnel of the UE and the session and the GTP/PMIP connection.
  • the TWAG sends an IP address assigned by the PDN gateway to the UE to the UE during the IPCP (IP (Internet Protocol) Control Protocol) negotiation process with the UE.
  • IPCP Internet Protocol
  • the mobile network user equipment (UE) initiates a PPP or PPPoE access request, and carries the APN information that needs to be accessed.
  • the BNG according to the APN information carried in the UE request packet or the authentication packet and/or the L2TP parameter information carried in the UE authentication success message or the authorization message sent by the AAA server (3GPP AAA server) server to the BNG to the TWAG Request to establish an L2TP tunnel of the UE. That is, if there is no corresponding L2TP tunnel between the BNG and the TWAG, the L2TP tunnel is established first.
  • the TWAG is based on the UE identity information carried in the UE request packet or the authentication packet, the APN information, and/or the APN access carried in the UE authentication success message or the authorization message sent by the AAA server (3GPP AAA server) server to the TWAG.
  • the list information determines whether the user establishes a PDN connection with the 3GPP network gateway. If the TWAG determines that the PDN connection of the UE is allowed to be established, the TWAG requests the mobile network gateway (including the PDN GW) to establish a PDN connection of the UE according to the UE information and the APN information carried in the UE request message or the authentication message. And sending the obtained user IP address to the UE via the BNG through the L2TP protocol.
  • the TWAG maintains the binding relationship between the UE's L2TP tunnel and the session and the GTP/PMIP connection.
  • FIG. 2 is a flowchart of a method for establishing multiple connections according to Embodiment 1 of the present invention. As shown in FIG. 2, the method for establishing multiple connections in this example includes the following steps:
  • Step 201 The UE initiates a PPPoE session ID.
  • the PPPoE session ID is obtained between the UE and the BNG.
  • Step 202 The PPP Link Control Protocol (LCP) negotiation is completed between the UE and the BNG.
  • LCP Link Control Protocol
  • Step 203 The UE carries the APN information and cooperates with the BNG, the BBF AAA server, and the 3GPPAAA.
  • the server interacts to complete the UE identity local authentication, and the 3GPP AAA server sends the Layer 2 Tunneling Protocol (L2TP) parameter information to the BNG.
  • L2TP Layer 2 Tunneling Protocol
  • Step 204 Perform an L2TP tunnel establishment between the BNG and the TWAG.
  • step 203 If an L2TP tunnel or a tunnel with the same APN information already exists between the BNG and the TWAG, this step is omitted. Of course, if there is already an L2TP tunnel or a tunnel with the same APN information between the BNG and the TWAG, the L2TP parameter information is not sent in step 203.
  • Step 205 The UE carries the APN information and interacts with the TWAG, the BBF AAA server, and the 3GPP AAA server to complete the UE identity local authentication, and establishes an L2TP session between the BNG and the TWAG.
  • the 3GPP AAA server confirms whether the UE user is allowed to access the APN while authenticating the user identity. If the authentication is successful, the 3GPP AAA server returns an authentication success response message to the TWAG through the BBF AAA server.
  • Step 206 The TWAG compares the APN information carried in the UE authentication request with the APN access list sent by the 3GPP AAA server through the BBF AAA server. If the comparison succeeds, the TWAG and the PDN GW interact to complete the GTP session establishment. In this step, it is determined whether the UE is allowed to access according to the APN information and the APN access list.
  • Step 207 The UE interacts with the TWAG to complete the IP address allocation, that is, the TWAG sends the IP address to the UE during the IPCP negotiation process with the UE.
  • FIG. 3 is a flowchart of a method for establishing multiple connections according to Embodiment 2 of the present invention. As shown in FIG. 3, the method for establishing multiple connections in this example includes the following steps: Step 301: A 3GPP UE sends an authentication protocol to an RG (EAPoL- Start) The message is authenticated by the 802.1X protocol. The UE is an 802.1X client and the RG is an 802.1X authenticator.
  • Step 302 After receiving the EAPoL Start message sent by the UE, the RG sends the authentication to the UE.
  • the EAP Identity Request message is used to notify the UE to report the username.
  • the UE After receiving the EAP Identity Request message sent by the RG, the UE sends an EAP Identity Response message to the RG, where the message carries the user name.
  • the RG encapsulates the received EAP Identity Response message into the RADIUS Access Request message, and the RG also encapsulates the MAC address of the UE into the RADIUS Access Request message, and then sends the message to the RADIUS Access Request message. BNG.
  • Step 303 The BNG acts as a RADIUS proxy (Proxy), and sends a RADIUS Access Request message (NAI, Network Address Identifier) received from the RG to the corresponding TWAG.
  • NAI Network Address Identifier
  • Step 314 The TWAG sends the RADIUS Access Request message received from the BNG to the BBF AAA server according to the NAI of the UE, or the TWAG sends the message according to the NAI of the UE in a scenario where the TWAG has an interface with the 3GPP AAA server.
  • the 3GPP AAA server To the 3GPP AAA server;
  • Step 305 The BBF AAA server forwards the RADIUS Access Request message received by the BNG to the 3GPP AAA server according to the NAI of the UE. If the BBF network uses the RADIUS protocol and the 3GPP network uses the DIAMETER protocol, there is a translation agent (TA) between the BBF AAA server and the 3GPP AAA server for protocol conversion.
  • TA translation agent
  • the 3GPP AAA server If the 3GPP AAA server successfully authenticates the 3GPP AAA server, the 3GPP AAA server returns an authentication success response message to the BBF AAA server and carries the APN access list, and the BBF AAA server returns the authentication success effect message to the TWAG and carries the APN access list. Further, The TWAG replies to the BNG authentication successfully, the BNG returns the authentication to the RG, and the RG replies to the UE successfully. At the same time, under the condition that the UE is authenticated, RG, BNG, and TWAG record the UE's International Mobile Equipment Identity (IMSE).
  • IMSE International Mobile Equipment Identity
  • Step 306 The UE initiates a PPPoE session request, and the PPPoE session is completed between the UE and the BNG to obtain a PPPoE Session ID.
  • Step 307 The PPP LCP negotiation is completed between the UE and the BNG.
  • Step 308 The UE carries the APN information and interacts with the BNG and BBFAAA servers to complete the UE identity local authentication, and the BNG receives the L2TP parameters sent by the 3GPP AAA server through the BBF AAA server.
  • Step 309 An L2TP tunnel is established between the BNG and the TWAG.
  • the step may be skipped, and the L2TP parameter information may not be sent in the foregoing step 308.
  • Step 310 The UE, the TWAG, and the BBF AAA server interact to complete the UE identity local authentication. An L2TP session is established between the BNG and the TWAG.
  • TWAG may choose not to directly return the authentication success message to the user without interacting with the BBF AAA server.
  • Step 311 The TWAG compares the APN information carried in the UE authentication request with the APN access list sent by the BBF AAA server. If the comparison succeeds, the TWAG and the PDN GW interact to complete the GTP session establishment.
  • Step 312 The UE interacts with the TWAG to complete the IP address allocation, that is, the TWAG sends the IP address to the UE during the IPCP negotiation process with the UE.
  • the foregoing authentication success message may also be an authorization message.
  • This embodiment provides a process of encapsulating, decapsulating, and transmitting a UE data packet after a 3GPP UE connection established by a fixed network is established.
  • 4 is a schematic diagram of encapsulation and decapsulation of a data packet according to a method for establishing a multi-connection according to an embodiment of the present invention. As shown in FIG. 4, the application steps of the multi-connection establishment method in the embodiment of the present invention include:
  • Step 401 After the 3GPP UE successfully establishes a connection according to the first embodiment or the second embodiment, the data packet is sent. Specifically, the 3GPP UE puts the corresponding PPPoE encapsulation according to the service type and sends it to the BNG. The format of the data packet is shown in Figure 4, and the structural details thereof will not be described here.
  • Step 402 After receiving the data packet of the UE, the RG directly forwards the data packet.
  • Step 403 After receiving the data packet of the UE, the BNG performs L2TP encapsulation according to the PPPoE encapsulation information of the packet, and sends the packet to the corresponding TWAG (which is consistent with the TWAG participating in the authentication and connection establishment process).
  • the format of the data packet is shown in Figure 4, and the structural details thereof will not be described here.
  • Step 404 After receiving the data packet of the UE, the TWAG decapsulates the data packet, obtains the tunnel ID and the session ID in the L2TP header of the packet, and re-encapsulates the IP packet in the packet, and passes between the TWAG and the PND GW. Tunnels (such as GTP tunnels, PMIP tunnels) are sent to the PND GW.
  • Tunnels such as GTP tunnels, PMIP tunnels
  • Step 405 The PDN GW receives the data packet of the 3GPP UE.
  • the invention also describes a system for establishing multiple connections, the system comprising BNG, TWAG and PDN gateways, wherein:
  • the BNG is configured to receive the PPP or PPPoE access request message initiated by the UE, and then forward the message to the TWAG through the L2TP tunnel;
  • the TWAG configured to determine that a PDN connection of the UE is allowed to be established, establish a PDN connection of the UE with a PDN gateway according to the APN information that the UE wants to access, and allocate the PDN gateway to the UE.
  • the IP address information is sent to the UE.
  • the BNG After receiving the PPP or PPPoE access request message initiated by the UE, the BNG is configured to determine that the acquired APN is to be accessed by the UE when the L2TP tunnel is not established between the BNG and the TWAG.
  • the information or the L2TP parameter information is used to establish an L2TP tunnel of the UE with the TWAG.
  • the TWAG sends the IP address information allocated by the PDN gateway to the UE through the L2TP session and sends the information to the UE via the BNG.
  • the system also includes a 3GPP AAA server and a BBF AAA server, wherein: the TWAG is further configured to initiate UE-based authentication to the BBF AAA server Request
  • the BBF AAA server is further configured to: send the UE-based authentication request sent by the TWAG to the 3GPP AAA server, and receive a UE authentication success message or an authorization message sent by the 3GPP AAA and send the message to the TWAG ;
  • the 3GPP AAA server is further configured to: after the authentication of the UE is passed, send a UE authentication success message or an authorization message to the TWAG by using the BBF AAA server, where the UE authentication success message or the authorization message carries an APN connection. Enter the list information.
  • the TWAG obtains the APN information that the UE wants to access from the PPP or PPPoE access request message initiated by the UE.
  • the BNG is further configured to initiate an authentication request based on the UE to the BBF AAA server, where the BBF AAA server forwards an authentication request based on the UE to the 3GPP AAA server;
  • the 3GPP AAA server is further configured to: after the authentication based on the UE passes, send the UE authentication success message or an authorization message to the BNG by using the BBF AAA server; in the UE authentication success message or the authorization message Carry L2TP parameter information.
  • the TWAG is further configured to determine, according to the acquired APN information that the UE wants to access and the APN access list information, that the PDN connection of the UE is allowed to be established.
  • the TWAG is further configured to: send the IP address information allocated by the PDN gateway to the UE to the UE in an IPCP negotiation process with the UE.
  • the different UEs carrying the same APN information between the BNG and the TWAG establish different sessions in the same L2TP tunnel;
  • the different UEs carrying different APN information between the BNG and the TWAG establish different sessions in the same L2TP tunnel;
  • the BNG and the TWAG establish different L2TP tunnels for different UEs carrying the same APN information.
  • the multi-connection established system of the present invention is implemented on the basis of an existing mobile communication network, and the structure of the system is the same as that of the existing FMC architecture, and the multi-connection established system of the present invention is present. Some related network elements in the mobile communication network are implemented by corresponding function expansion. In the present invention, only the network elements whose functions are extended are mainly described.
  • the multi-connection establishment system of the present invention can be understood by referring to the foregoing description of the multi-connection establishment method of the present invention, and its network architecture can be understood with reference to the existing mobile communication network structure such as the structure shown based on FIG.
  • the BNG receives the peer-to-peer protocol or the Ethernet point-to-point protocol access request message initiated by the UE, and then forwards the message to the TWAG through the L2TP tunnel; the TWAG receives the access point name information and the APN according to the obtained UE to access.
  • the in-list information determines that the PDN connection of the UE is allowed to be established
  • the PDN connection of the UE is established with the PDN gateway according to the APN information that the UE wants to access, and the IP address information allocated by the PDN gateway for the UE is sent to the UE through the BNG.
  • the different UEs carrying the same APN information between the BNG and the TWAG establish different sessions in the same Layer 2 tunneling protocol tunnel.
  • the BNG and the TWAG are established in the same L2TP tunnel for different UEs carrying different APN information. Different sessions; or, BNG and TWAG establish different L2TP tunnels for different UEs carrying the same APN information.
  • the TWAG maintains the binding relationship between the L2TP tunnel and the session of the UE and the GTP/PMIP connection.

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  • Computer Networks & Wireless Communication (AREA)
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Abstract

La présente invention se rapporte à un procédé adapté pour configurer une pluralité de connexions. Le procédé selon l'invention consiste : après qu'une BNG a reçu un message de demande d'accès PPP ou PPPoE initié par un UE, à transférer ledit message à une TWAG via un tunnel L2TP; et, quand la TWAG détermine que la configuration d'une connexion PDN pour l'UE est autorisée sur la base des informations acquises relatives à un APN auquel l'UE souhaite accéder, et sur la base des informations de liste d'accès relatives à l'APN, à configurer la connexion PDN avec une passerelle PDN pour l'UE sur la base des informations relatives à l'APN auquel l'UE souhaite accéder; et à transmettre à l'UE les données d'adresse IP qui sont allouées à l'UE par la passerelle PDN via la BNG. Entre la BNG et la TWAG, différentes sessions sont configurées sur une seule et même connexion de paramètre L2TP pour différents UE qui contiennent des informations relatives au même APN; ou bien alors, entre la BNG et la TWAG, différentes sessions sont configurées sur un seul et même tunnel L2TP pour différents UE qui contiennent des informations relatives à différents APN. La présente invention se rapporte d'autre part à un système adapté pour configurer une pluralité de connexions. La présente invention permet d'exécuter la configuration d'une pluralité de connexions sur la base des informations relatives à un APN. Elle permet en outre d'élargir l'application de l'architecture FMC.
PCT/CN2013/082101 2012-08-30 2013-08-22 Procédé et système pour la configuration d'une pluralité de connexions WO2014032542A1 (fr)

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CN201210315435.6 2012-08-30
CN201210315435.6A CN103687049B (zh) 2012-08-30 2012-08-30 多连接建立的方法及系统

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