WO2009105956A1 - Procédé et système de commande permettant d'établir plusieurs tunnels dans un réseau de communication sans fil - Google Patents

Procédé et système de commande permettant d'établir plusieurs tunnels dans un réseau de communication sans fil Download PDF

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Publication number
WO2009105956A1
WO2009105956A1 PCT/CN2008/073440 CN2008073440W WO2009105956A1 WO 2009105956 A1 WO2009105956 A1 WO 2009105956A1 CN 2008073440 W CN2008073440 W CN 2008073440W WO 2009105956 A1 WO2009105956 A1 WO 2009105956A1
Authority
WO
WIPO (PCT)
Prior art keywords
tunnel
access server
network node
wireless network
control point
Prior art date
Application number
PCT/CN2008/073440
Other languages
English (en)
Chinese (zh)
Inventor
周娜
毕以峰
杨浩
Original Assignee
中兴通讯股份有限公司
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 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2009105956A1 publication Critical patent/WO2009105956A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/11—Allocation or use of connection identifiers
    • 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

  • a separate reverse tunnel needs to be established between the wireless network node supporting the independent reverse tunnel and the access server, and multiple wireless network nodes in the route set of the same terminal will be connected.
  • the establishment of the reverse tunnel requires the access server to have an independent reverse tunnel.
  • the tunnel establishment operation is performed when the user accesses and the route is added.
  • the wireless network node, the wireless control point, and the access server work together to complete the tunnel.
  • the establishment of multiple tunnels in the terminal are performed when the user accesses and the route is added.
  • Step 202 After the access authentication succeeds, the authentication authorization server returns an authentication response to the access server, where the authorization information of the user is included.
  • Step 203 The access server sends an authentication response to the wireless control point, where the message carries information such as an authentication authorization session ID and a quality of service parameter.
  • Step 204 After receiving the authentication response message, the wireless control point sends an authentication success response to the terminal.
  • Step 207 After receiving the session update notification, the wireless network node requests the session information from the wireless control point.
  • Step 208 The wireless control point sends the session information to the wireless network node, where the information such as the access server address and the username is carried.
  • Step 209 The wireless network node transmits the access server identifier (which may be composed of the IP address of the access server) to the terminal, so that the terminal can determine whether the operation of applying for the IP address needs to be performed.
  • the access server identifier which may be composed of the IP address of the access server
  • Step 210 the terminal initiates a data attachment point move request to the wireless network node 1, requesting the wireless network node 1 to become a data attachment point;
  • Step 211 The wireless network node 1 requests the access server to establish a tunnel, and carries the tunnel type identifier: simultaneously supports the reverse tunnel and the primary tunnel;
  • Step 212 If the access server supports the independent reverse tunnel, return a response of the reverse tunnel and the primary tunnel to the wireless network node 1; if the access server does not support the independent reverse tunnel, respond to the wireless network node.
  • the response of 1 carries the information that the reverse tunnel establishment fails, and only the primary tunnel is established between the access server and the wireless network node 1;
  • Step 214 The wireless network node 1 notifies the activation set member data attachment point information of the terminal;
  • Step 215 The terminal requests an IP address to be allocated, and obtains an IP address through the access server.
  • the wireless network node 1 has established a primary tunnel connection with the access server.
  • the terminal determines that the wireless network node 2 needs to be added to its routing set, the method for establishing a reverse tunnel between the wireless network node 2 and the access server is determined. And the specific steps are as follows:
  • Step 303 after receiving the session request message, the wireless control point sends the session information to the wireless network node 2;
  • the wireless network node when the terminal performs initial access and route addition, regardless of whether the access server has the capability of independent reverse tunneling, the wireless network node will request the tunnel establishment operation from the access server, if the access server does not support Independent reverse tunnel, the reverse tunnel establishment request will be rejected, see steps 212 and 305, and thus, even if the access server does not support the independent reverse tunnel, the wireless network node will initiate a reverse tunnel establishment request, thereby This causes a waste of system resources and an increase in network burden.
  • the present invention provides a method for establishing a multi-tunnel in a wireless communication network.
  • the access server Before the wireless network node sends a tunnel establishment request to the access server, the access server passes its tunnel support capability information through wireless control. Sending to the wireless network node, the wireless network node determining, according to the tunnel support capability information, whether to initiate a tunnel establishment request to the access server, and if it is determined that the tunnel establishment request needs to be initiated, carrying the tunnel setup request.
  • the access server supports the tunnel type identifier with consistent capabilities.
  • the method includes the following steps:
  • the wireless network node in the terminal routing set sends a session information request to the wireless control point after receiving the session update notification sent by the terminal; after receiving the session information request, the wireless control point responds to the session information response to the wireless network node. Carrying the tunnel support capability information;
  • the wireless network node that becomes the data attachment point initiates a tunnel establishment request to the access server according to the received tunnel support capability information, where the request carries a tunnel type identifier that is consistent with the support capability of the access server.
  • step (cl)
  • the tunnel establishment request carries a tunnel type identifier that supports both the reverse tunnel and the primary tunnel;
  • the access server only supports the primary tunnel, and the tunnel establishment identifier carries the tunnel type identifier of the primary tunnel.
  • the wireless network node is determined to be a data attachment point according to a terminal request or a network.
  • the method includes the following steps:
  • the access server sends its tunnel support capability information to the wireless control point, and the wireless control point receives the tunnel support capability information after receiving it;
  • the wireless network node after receiving the route addition request initiated by the terminal, the wireless network node initiates a session information request to the wireless control point, and after receiving the session information request, the wireless control point responds to the wireless network node. Carrying the tunnel support capability information in the session information;
  • the access server sends its tunnel support capability information to the wireless control point in this way:
  • the terminal performs access authentication and authorization for the initial access through the wireless control point, the access server, and the authentication authorization server. After the access authentication succeeds, the authentication and authorization server returns the authentication response to the access server, and then receives the authentication response.
  • the ingress server sends the authentication response to the wireless control point, and carries the tunnel support capability information in the authentication response message.
  • the other wireless network nodes in the terminal routing set have established a primary tunnel connection with the access server.
  • the present invention also provides a multi-tunnel control system, where the system includes an access server, a wireless control point, and a wireless network node, where
  • the access server is configured to send the tunnel support capability information to the wireless control point, where the wireless control point is configured to send the tunnel support capability information to the wireless network node before initiating a tunnel establishment request Wireless network node;
  • the system further includes a mobile terminal, where the mobile terminal is configured to send a session update request or a route addition request to the wireless network node; and if the wireless network node receives a session update request, to the access server Initiating a tunnel establishment request; if the wireless network node receives a route addition request and the access server supports an independent reverse tunnel, the wireless network node sends a tunnel establishment request to the access server; If a route addition request is received but the access server does not support the independent reverse tunnel, there is no need to initiate a tunnel establishment request.
  • 1 is a schematic diagram of a wireless communication network architecture
  • 3 is a flow chart of adding a wireless network node to a terminal routing set in an existing wireless communication network
  • FIG. 4 is a flow chart of a preferred mode of the present invention for initial user access in a wireless communication network
  • FIG. 5 is a flow chart of a preferred embodiment of the present invention for implementing a wireless network node to add a wireless network node to a terminal routing set.
  • the core of the control method and system for establishing a multi-tunnel in the wireless communication network of the present invention is: before the wireless network node sends a tunnel establishment request to the access server, the access server sends its tunnel support capability information to the wireless control point to The wireless network node determines, according to the tunnel support capability information, whether to initiate a tunnel establishment request to the access server, and if it is determined that the tunnel establishment request needs to be initiated, the tunnel establishment request carries the access server stand by A tunnel type identifier with consistent capabilities.
  • FIG. 4 is a flowchart of a preferred mode of the present invention for implementing initial access of a user in a wireless communication network, and the control method and specific steps thereof are as follows:
  • Step 401 When the mobile terminal accesses, the access server and the authentication authorization server communicate through the wireless control point, and perform access authentication and authorization operations;
  • Step 402 After the access authentication succeeds, the authentication and authorization server returns an authentication response to the access server, where the authorization information of the user is included.
  • Step 404 After receiving the authentication response message, the wireless control point saves the access capability identifier of the access server to the independent reverse tunnel, so as to transmit the information to the wireless network node 1, and then the wireless control point sends the authentication success to the terminal.
  • the wireless control point After receiving the authentication response message, the wireless control point saves the access capability identifier of the access server to the independent reverse tunnel, so as to transmit the information to the wireless network node 1, and then the wireless control point sends the authentication success to the terminal.
  • Step 405 The wireless control point and the terminal perform session information configuration.
  • Step 407 After receiving the session update notification, the wireless network node 1 requests session information from the wireless control point.
  • Step 409 The wireless network node 1 transmits the access server identifier to the terminal, so that the terminal can determine whether it is necessary to perform an operation for requesting an IP address.
  • Step 410 the terminal initiates a data attachment point move request to the wireless network node 1, requesting the wireless network node 1 to become a data attachment point;
  • Step 413 The wireless network node 1 notifies the terminal that the data attachment point allocation is completed.
  • Step 414 The wireless network node 1 notifies the activation set member data attachment point information of the terminal.
  • Step 415 The terminal requests allocation of the IP address, and obtains an IP address by using the access server.
  • the wireless network node will only initiate the establishment request of the primary tunnel. The request for establishing the reverse tunnel is no longer initiated.
  • the access server is prevented from responding to the reverse tunnel establishment failure information in the response message.
  • the processing response of the access server can be simplified. .
  • FIG. 5 is a flow diagram of a preferred embodiment of the present invention for enabling the addition of a wireless network node to a terminal routing set in a wireless communication network. It is assumed that the wireless network node 1 is already in the routing set of the terminal, and establishes a primary tunnel connection with the access server. When the terminal determines that the wireless network node 2 needs to be added to its routing set, the wireless network node 2 and the access server are established at this time.
  • the control method and specific steps of the reverse tunnel are as follows:
  • Step 501 The terminal requests to add the wireless network node 2 to the route set.
  • Step 502 The wireless network node 2 requests the wireless control point to acquire session information, such as an access server address, a username, and the like;
  • Step 503 After receiving the session request message, the wireless control point sends the session information to the wireless Network node 2, which includes an access capability identifier of the access server to the independent reverse tunnel; Step 504, the wireless network node 2 checks the support server for the independent reverse tunnel support capability identifier, and if the access server supports the independent reverse tunnel, The wireless network node 2 requests the access server to establish a tunnel, and carries the tunnel type identifier: the reverse tunnel is supported; if the access server does not support the independent reverse tunnel, the tunnel establishment operation is not required, and the process proceeds to step 506;
  • Step 506 The wireless network node 2 sends a route addition response to the terminal.
  • the wireless network node 1 in the terminal route set has established a primary tunnel connection with the access server.
  • the wireless network node still only determines whether the access server supports the independent reverse tunnel, and initiates a process of establishing a reverse tunnel. Then, the process of establishing the main tunnel is initiated.
  • the access server is in the authentication and authorization response of the initial access of the terminal, and the support capability identifier of the independent reverse tunnel is sent to the wireless control point by using the existing response message, as long as the wireless network node is guaranteed.
  • the identifier is obtained before the tunnel establishment request is sent to the access server, and the wireless control point may of course obtain the support capability identifier by using a separate new message at other time points.
  • the support capability identifier of the independent reverse tunnel saved by the wireless control point mentioned above may also be replaced by other tunnel support capability identifiers or information indicating the access server.
  • the wireless network node may initiate a tunnel establishment request to the access server according to the received identifier or information, and the request carries a tunnel type identifier that is consistent with the support capability of the access server. Specifically, if the tunnel support capability identifier or information indicates that the access server supports the independent reverse tunnel and the primary tunnel, The tunnel establishment request carries a tunnel type identifier that supports both the reverse tunnel and the primary tunnel. If the tunnel support capability identifier or information indicates that the access server supports only the primary tunnel, the tunnel establishment request carries the tunnel supporting the primary tunnel. Type identifier.
  • the access server supports the independent reverse tunnel and the primary tunnel, it also supports other types of tunnels. However, if the tunnel tunnel request is sent only to establish an independent reverse tunnel, the tunnel request can only carry the support independent reverse.
  • the identifier of the tunnel that is, the carried tunnel type identifier does not exceed the support capability of the access server. In this case, the request of the present invention carries the tunnel type identifier consistent with the support capability of the access server.
  • the access server is considered to support the primary tunnel by default.
  • the wireless network node is configured to determine, according to the received tunnel support capability information, whether to initiate a tunnel establishment request to the access server, and if it is determined that the tunnel establishment request is to be initiated, the tunnel establishment request carries the same as the access server support capability. Tunnel type identifier.
  • the wireless network node is further configured to send a session information request to the wireless control point, where the wireless control point is further configured to send a session information response to the wireless network node, where the tunnel support capability information is carried in the session information response.
  • control system of the present invention further includes an authentication authorization server and a mobile terminal, wherein the authentication authorization server is configured to perform an authentication authorization operation, and send an authentication response to the access server; the access server is further configured to The wireless control point forwards the authentication response, where the tunnel support capability information is carried in the authentication response and sent to the wireless control point;
  • the mobile terminal is configured to send a session update request or a route add request to the wireless network node.
  • the present invention implements a control method and system for establishing multiple tunnels between a wireless network node and an access server in a wireless communication network with minimal changes and impacts on existing systems.
  • the location update process in the above embodiment may be applied to other systems using the same method as mentioned in the background art in addition to the wireless communication system.
  • the messages used may be different, but in the process.
  • the logical relationship is the same.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un procédé de commande permettant d'établir plusieurs tunnels entre un nœud de réseau sans fil et un serveur d'accès, dans lequel l'identifiant de capacité concernant le fait de savoir si le serveur d'accès accepte un tunnel inversé indépendant est enregistré dans le point de commande sans fil ; après réception de la notice de mise à jour de session transmise par le terminal, le nœud de réseau sans fil initie une requête d'information de session sur le point de commande sans fil ; le point de commande sans fil transporte l'identifiant dans la réponse à l'information de session renvoyée au nœud de réseau sans fil ; après être devenu le point d'attache des données, lors de l'initiation de la requête d'établissement de tunnel sur le serveur d'accès, le nœud de réseau sans fil dans le jeu de parcours du terminal évalue si le serveur d'accès accepte le tunnel inverse indépendant en fonction de l'identifiant reçu et, dans l'affirmative, l'identifiant du type de tunnel qui accepte le tunnel inversé et le tunnel principal simultanément est transporté dans la requête d'établissement du tunnel ; sinon, l'identifiant du type de tunnel qui prend en charge le tunnel principal est transporté dans la requête d'établissement du tunnel. Par rapport à l'état de la science, le procédé améliore l'efficacité de l'ajout efficace de parcours et réduit la surcharge et la charge sur le système de communication sans fil.
PCT/CN2008/073440 2008-02-29 2008-12-10 Procédé et système de commande permettant d'établir plusieurs tunnels dans un réseau de communication sans fil WO2009105956A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200810007719.2 2008-02-29
CN2008100077192A CN101237699B (zh) 2008-02-29 2008-02-29 无线网络节点与接入服务器之间建立多隧道的控制方法

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CN101237699B (zh) * 2008-02-29 2010-12-08 中兴通讯股份有限公司 无线网络节点与接入服务器之间建立多隧道的控制方法
CN101765092B (zh) * 2008-12-24 2011-07-20 华为技术有限公司 一种网络切换方法、装置及系统
CN102083136B (zh) * 2009-11-30 2013-09-18 杭州华三通信技术有限公司 无线网络的控制方法及无线控制器
CN103763145B (zh) * 2014-01-27 2019-12-13 上海斐讯数据通信技术有限公司 一种隧道代理方法
CN115567935A (zh) * 2017-11-20 2023-01-03 华为技术有限公司 鉴权的方法和装置
CN108540573A (zh) * 2018-04-26 2018-09-14 南京思拜休通信技术有限公司 一种基于人机交互的多媒体指挥调度系统及工作方法
US11722568B2 (en) * 2018-10-04 2023-08-08 Telefonaktiebolaget Lm Ericsson (Publ) Methods providing dynamic NEF tunnel allocation and related network nodes/functions
CN113163425A (zh) * 2021-04-16 2021-07-23 深圳市骅鼎鹏智能科技有限公司 一种用于隧道的网络控制方法及装置

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US20070127496A1 (en) * 2005-12-05 2007-06-07 Paula Tjandra Method, system and apparatus for creating a reverse tunnel
CN101237699A (zh) * 2008-02-29 2008-08-06 中兴通讯股份有限公司 无线网络节点与接入服务器之间建立多隧道的控制方法

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CN101237699B (zh) 2010-12-08

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