WO2009121232A1 - Procédé et système de suppression d’éléments d’ensembles de chemins multitunnels - Google Patents

Procédé et système de suppression d’éléments d’ensembles de chemins multitunnels Download PDF

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Publication number
WO2009121232A1
WO2009121232A1 PCT/CN2008/073023 CN2008073023W WO2009121232A1 WO 2009121232 A1 WO2009121232 A1 WO 2009121232A1 CN 2008073023 W CN2008073023 W CN 2008073023W WO 2009121232 A1 WO2009121232 A1 WO 2009121232A1
Authority
WO
WIPO (PCT)
Prior art keywords
base station
evolved base
access terminal
route set
tunnel
Prior art date
Application number
PCT/CN2008/073023
Other languages
English (en)
Chinese (zh)
Inventor
赵孝武
徐子华
王伟
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 WO2009121232A1 publication Critical patent/WO2009121232A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/22—Manipulation of transport tunnels

Definitions

  • the present invention relates to the field of communications, and in particular to a method and system for deleting a multi-tunnel route set member.
  • UMB Ultra Mobile Broadband
  • the UMB air interface technology introduces two routes: the route and the access network route instance.
  • the route refers to the access terminal (Access Terminal, abbreviated as AT) and the protocol stack that the access network is using.
  • An access network routing instance refers to a logical functional entity in which an access network or an access terminal opens a route.
  • a route instance may be an evolved base station (eBS) or a session reference network control (SRNC) entity.
  • eBS evolved base station
  • SRNC session reference network control
  • a route set is a collection of all route instances owned by an access terminal.
  • the routing set enables seamless movement between adjacent eBSs with different capabilities, and can greatly simplify the inter-eBS interface to support low-overhead fast inter-eBS handover.
  • the access terminal manages the routing set and each eBS-related processing by routing. Operation, management of the route set includes adding route set members, deleting route set members, and so on.
  • the evolved base station and the access gateway Access Gateway, referred to as
  • AGW transmits packet data by establishing a tunnel communication (Proxy Mobile IP, PMIP for short).
  • An access gateway can exist with multiple evolved base stations to handle mobile IP tunnels, called multi-tunnels.
  • An evolved base station that receives forward link user data from an access gateway is called a Data Attachment Point (DAP).
  • DAP Data Attachment Point
  • a DAP may or may not be in a route set.
  • the Forward Link Serving eBS refers to an evolved base station that maintains a connection with the AT and transmits forward link data to the AT, and a reverse link evolved base station (Reserved Link Serving eBS, referred to as RLSE) means to stay connected to the AT and
  • the DAP transmits an evolved base station of an AT packet.
  • FIG. 1 is a flowchart of deleting a route set member of multiple PMIP tunnels, wherein the evolved base stations eBS 1, eBS2, and SRNC are all in a route set, and eBS1, eBS2, and AGW respectively have The data tunnel, that is, the PMIP tunnel, as shown in FIG.
  • Step 101 the access terminal AT is currently connected with the eBS1 in the route set, and eBS2 and SRNC are members of the route set;
  • Step 102 eBSl
  • the AGW represented by a bar in the figure.
  • the eBS 1 also functions as a DAP.
  • User data is transmitted in the AT and eBS 1/DAP and AGW;
  • Step 104 the routing instance (eBS2) or the access terminal sends a route to close The message (Route Close) to remove the member eB S2 from the route set.
  • Step 105 The access terminal maintains the connection state with the eBS1, and the SRNC continues to remain in the route set.
  • Step 106 The route is deleted at the access terminal, and the AT sends a Route Map message to all members in the route set to update the route set. All routing instances. According to the route mapping message, eBS1 and SRNC stop all communication with eBS2; Step 107, after completing all communication, eBS2 sends a PMIP-Registration Request message to the AGW to delete the PMIP tunnel between the AGW and the AGW.
  • Step 108 after receiving the message, the AGW deletes the data tunnel between the eBS2 and sends a PMIP-registration response message to the eBS2; Step 109, the eBS1 continues to maintain the basic tunnel with the AGW; Step 110, After eBS2 receives the route close message, or its connection remains in the lifetime
  • eBS2 After the timer expires, if there is any air link record created for the AT in eBS2, eBS2 sends an accounting request message to the AGW; Step 111: After receiving the charging request message, the AGW sends an accounting response message to the eBS2. When the charging report is confirmed by the AGW, the eBS2 cancels all resources allocated to the AT.
  • eBS1 and AGW have a basic PMIP tunnel, which is a forward service evolved base station, and functions as a DAP. In actual operation, the forward service evolved base station and the DAP may not be an evolved base station.
  • the present invention has been made in view of the above problem of deleting a DAP as a member of a routing set. To this end, the present invention aims to provide a method and system for deleting a multi-tunnel routing set member to solve the above problem.
  • a method for deleting a multi-tunnel route set member is provided.
  • the evolved base stations eBS1, eBS2, and SRNC are members of a route set of an access terminal, where eBS1 and an access terminal are in a connected state, and eBS1 is used.
  • Transmitting the forward link data to the access terminal and forwarding the data packet of the access terminal to the eBS2 includes the following steps: deleting the member eBS2 from the route set of the access terminal to obtain an updated route set; eBS2 determining itself and the access gateway Whether there is a basic proxy IP tunnel; if so, the basic proxy IP tunnel is maintained.
  • deleting the member eBS2 from the route set of the access terminal to obtain the updated route set specifically includes: the access terminal sends a route close message to the eBS2 requesting to delete the eBS2 from the route set; the access terminal deletes the member eBS2 from the route set to obtain an update. Routing set; The access terminal sends a route mapping message to the routing member in the updated routing set.
  • the access terminal feeding back the route close message to the eBS2 is triggered by the eBS2 sending a route close message to the access terminal.
  • the method further includes: the access terminal maintains the connection state with the eBS1, and the SRNC remains in the route set of the access terminal.
  • the method further includes: releasing the routing resource related to the eBS2 after the connection lifetime timer expires.
  • the method further includes: if it is determined that the eBS2 and the access gateway do not have a basic proxy IP tunnel, the eBS2 sends a proxy IP-registration request message to the access gateway; the access gateway sends a proxy IP-registration response message to the eBS2; Enter the data tunnel between the gateway and eBS2.
  • the method further includes: if the eBS2 has an airlink record created for the access terminal, the eBS2 sends a charging request message to the access gateway; The access gateway sends an accounting response message to the eBS2; when the eBS2 receives the charging response message, the resource allocated to the access terminal is cancelled.
  • the method further includes: the eBS1 and the access gateway keep the reverse proxy only IP tunnel.
  • an ultra mobile broadband system including: an access terminal, eBS1, eBS2, and SRNC, which are members of a route set of an access terminal, eBS2 is a data binding point, eBS1 And the eBS2 and the access gateway respectively have a data tunnel; wherein, the eBS1 and the access terminal are in a connected state, and the eBS1 is configured to send the forward link data to the access terminal, and forward the data packet of the access terminal to the eBS2; the access terminal and eBS2 is also used to delete the member eBS2 from the routing set of the access terminal to obtain an updated route set; eBS2 is also used to determine whether there is a basic proxy IP tunnel between itself and the access gateway, and if so, maintain the basic proxy IP tunnel.
  • a flow and a solution for removing the DAP as a route set member from the Route set are proposed for the multi-tunnel case involved in the route
  • FIG. 1 is a flowchart of a deletion route set member of a plurality of PMIP tunnels in the related art
  • FIG. 2 is a flowchart of a method for deleting a multi-tunnel route set member according to an embodiment of the present invention
  • 3 is a schematic diagram of a method of deleting a multi-tunnel routing set member according to a preferred embodiment of the present invention
  • FIG. 4 is a block diagram of an ultra mobile broadband system according to an embodiment of the present invention.
  • the embodiment of the present invention fills in the gap that the current technology of the UMB network routing management set cannot cover, and improves the function of the routing management set.
  • Step S10 Delete the member eBS2 from the route set of the access terminal to obtain an updated route set.
  • the eBS2 sends a route close message to the access terminal, and the access terminal sends a route close message to the eBS2 to delete the eBS2 from the route set according to the received route close message, and the access terminal deletes the member eBS2 from the route set to obtain an update.
  • the routing set, the access terminal sends a route mapping message to the routing member in the updated routing set, and releases the routing resource related to eBS2 after the connection lifetime timer expires.
  • step S10 if eBS2 has an airlink record created for the access terminal, eBS2 sends an accounting request message to the access gateway; the access gateway sends an accounting response message to eBS2; eBS2 receives Upon receipt of the charging response message, the resources allocated to the access terminal are cancelled.
  • the access terminal maintains the connection state with eBS1, and the eBS1 and the access gateway keep the reverse only proxy IP tunneling.
  • the SRNC reserves the set of routes in the access terminal.
  • step S20 the eBS2 determines whether there is a basic proxy IP tunnel between itself and the access gateway. In step S30, if the determination is yes, the basic proxy IP tunnel is maintained.
  • the access gateway based on the received registration request message from the proxy IP- eBS2 transmits registration response message to the agent IP- eBS2, and delete the data tunnel between eBS2.
  • This embodiment proposes a process and a solution for removing the DAP as a member of the Route set from the Route set in the case of multiple tunnels involved in the management of the route set, and fills in the gap that the current technology of the UMB network route management set cannot cover. Improve the function of the routing management set.
  • Step 301 the access terminal AT is currently connected to the eBS1 in the route set, and the eBS1 is a forward service evolved base station (FLSE).
  • FLSE forward service evolved base station
  • eBS2 and SRNC are other members of the AT's routing set, which is a prerequisite;
  • Step 302 eBS2 and AGW only have a basic proxy IP tunnel, which is a prerequisite;
  • Step 303 eBSl/ /FLSE/RLSE and AGW only have a reverse proxy IP tunnel, which is a prerequisite;
  • Step 304 the routing instance (eBS2) or the access terminal sends a Route Close message (Route Close) to remove the member eBS2 from the routing set, if the message Lost, after the connection keeper's Connection Keep Alive Period timer expires, the receiver will cancel the resources allocated by the route;
  • Step 305 the access terminal continues Continued to maintain the connection state with eB S 1, SRNC continues to remain at AT The route is centralized;
  • Step 306 after the access terminal deletes the route member, the AT sends a RouteMap message to all reserved members in the route set to update all route instances in the route set;
  • Step 307 although the
  • FIG. 4 is a block diagram of an ultra mobile broadband system according to an embodiment of the present invention. As shown in FIG. 4
  • the method includes: an access terminal 40, an eBS1 42, eBS20 44 and SRNC 46, these four modules are members of the access set of the access terminal, wherein eBS2 44 is a data binding point, and eBSl 42 and eBS2 44 respectively have a data tunnel with the access gateway; wherein, eBSl 42 and The incoming terminal 40 is in a connected state, the eBS1 42 is configured to send forward link data to the access terminal 40, and forward the data packet of the access terminal 40 to the eBS2 44; the access terminal 40 and the eBS2 44 are also used to access the access terminal 40.
  • the routing set deletes the member eBS2 44 to obtain the updated routing set; the eB S2 44 is also used to determine whether there is a basic proxy IP tunnel between itself and the access gateway, and if so, the basic proxy IP tunnel is maintained.
  • This embodiment proposes a process and a solution for removing the DAP as a route set member from the route set in the case of multiple tunnels involved in the routing set management, and fills in the gaps that cannot be covered by the current technology of the UMB network route management set, and improves the routing. Manage the functionality of the set.
  • a general-purpose computing device which can be concentrated on a single computing device or distributed over a network composed of multiple computing devices.
  • the invention is not limited to any specific combination of hardware and software.
  • the above is only the preferred embodiment of the present invention, and is not intended to limit the present invention.
  • the present invention can be variously modified and modified. Any modifications, equivalent substitutions, improvements, etc. made therein are intended to be included within the scope of the present invention.

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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 et un système de suppression d’éléments d’ensembles de chemins multitunnels. Dans le système, la première station de base évoluée, la seconde station de base évoluée, et une entité de contrôle de réseau de référence de session, sont des membres d'un ensemble de chemins d’un terminal d'accès. La première station de base évoluée se connecte au terminal d'accès, la première station de base évoluée est utilisée pour envoyer des données sur une liaison aller au terminal d'accès et pour retransmettre des paquets de données à la seconde station de base évoluée. Le procédé comprend les étapes suivantes : la suppression de la seconde station de base évoluée de l’ensemble de chemins du terminal d'accès afin d’obtenir un ensemble de chemins mis à jour ; la détermination, par la seconde station de base évoluée, de la présence ou de l’absence d’un tunnel IP d'agence de base entre elle-même et une passerelle d'accès ; et, dans le cas où le résultat de la détermination est positif (oui), la conservation du tunnel IP d'agence de base par la seconde station de base évoluée et la passerelle d'accès. La présente invention pallie un manque que la technologie de gestion d’ensemble de chemins de réseau UMB n'est pas à même de combler à l'heure actuelle, de même qu'elle améliore la fonction de gestion d’un ensemble de chemins.
PCT/CN2008/073023 2008-04-02 2008-11-12 Procédé et système de suppression d’éléments d’ensembles de chemins multitunnels WO2009121232A1 (fr)

Applications Claiming Priority (2)

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CN2008100875455A CN101553019B (zh) 2008-04-02 2008-04-02 多隧道路由集成员的删除方法和系统
CN200810087545.5 2008-04-02

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WO2009121232A1 true WO2009121232A1 (fr) 2009-10-08

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011050663A1 (fr) * 2009-10-28 2011-05-05 中兴通讯股份有限公司 Procédé et système de mise à jour de tunnel dans un système de communication prenant en charge un accès sous protocole internet (ip) local

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001145161A (ja) * 1999-11-12 2001-05-25 Tokyo Gas Co Ltd 通信システム
CN1662091A (zh) * 2004-02-26 2005-08-31 大唐移动通信设备有限公司 实现同一基站内不同小区间用户切换的方法
CN1889761A (zh) * 2005-06-27 2007-01-03 华为技术有限公司 一种软切换过程中激活集更新的控制方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100370782C (zh) * 2003-07-18 2008-02-20 华为技术有限公司 一种实现园区网接入IPv6网的方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001145161A (ja) * 1999-11-12 2001-05-25 Tokyo Gas Co Ltd 通信システム
CN1662091A (zh) * 2004-02-26 2005-08-31 大唐移动通信设备有限公司 实现同一基站内不同小区间用户切换的方法
CN1889761A (zh) * 2005-06-27 2007-01-03 华为技术有限公司 一种软切换过程中激活集更新的控制方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011050663A1 (fr) * 2009-10-28 2011-05-05 中兴通讯股份有限公司 Procédé et système de mise à jour de tunnel dans un système de communication prenant en charge un accès sous protocole internet (ip) local

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CN101553019A (zh) 2009-10-07

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