WO2007109955A1 - Procédé d'utilisation de l'adresse ip d'un utilisateur itinérant et terminal utilisateur destiné à cet effet - Google Patents

Procédé d'utilisation de l'adresse ip d'un utilisateur itinérant et terminal utilisateur destiné à cet effet Download PDF

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Publication number
WO2007109955A1
WO2007109955A1 PCT/CN2007/000368 CN2007000368W WO2007109955A1 WO 2007109955 A1 WO2007109955 A1 WO 2007109955A1 CN 2007000368 W CN2007000368 W CN 2007000368W WO 2007109955 A1 WO2007109955 A1 WO 2007109955A1
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WO
WIPO (PCT)
Prior art keywords
roaming user
address
optimization function
route optimization
service
Prior art date
Application number
PCT/CN2007/000368
Other languages
English (en)
Chinese (zh)
Inventor
Wenfu Wu
Wenlin Ye
Lan Liu
Weihua Hu
Zhiming Zhu
Original Assignee
Huawei Technologies Co., Ltd.
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 Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Publication of WO2007109955A1 publication Critical patent/WO2007109955A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • H04W8/08—Mobility data transfer
    • H04W8/082—Mobility data transfer for traffic bypassing of mobility servers, e.g. location registers, home PLMNs or home agents
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/26—Network addressing or numbering for mobility support
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
    • H04W80/04—Network layer protocols, e.g. mobile IP [Internet Protocol]

Definitions

  • the present invention belongs to the field of wireless communications, and in particular, to a method for using an IP address of a roaming user and a user terminal. Background of the invention
  • 3GPP is studying a new evolutionary network architecture, including System Architecture Evolution (SAE) and Long Term Evolution (LTE).
  • SAE System Architecture Evolution
  • LTE Long Term Evolution
  • MME Mobility Management Entity
  • UPE User Plane Entity
  • Inter AS Anchor Inter Access System Anchor
  • the MME is responsible for mobility management of the control plane, including user context and mobility state management, assigning user temporary identity, etc., corresponding to the current general packet radio service/mobile communication system (GPRS/UMTS, General Packet Radio Service/Universal Mobile Telecommunication)
  • GPRS/UMTS General Packet Radio Service/Universal Mobile Telecommunication
  • the control plane part of the system internal service GPRS support node (SGSN); the UPE is responsible for initiating paging for downlink data in idle state, managing and storing IP bearer parameters and routing information within the network, corresponding to current GPRS/UMTS
  • a mobile user roams in the network
  • access is provided by the non-home network.
  • two approaches are proposed in the protocol.
  • One way is that the data of the roaming user is routed back to the home network through the home network. Transfer to the destination.
  • Another way is that the data of the roaming user does not have to be routed back to the network, but is directly transmitted to the destination directly through the visited network, that is, the route optimization function.
  • the IP address used by the roaming user is the IP address allocated by the home network.
  • the IP address used by the roaming user is the IP address assigned by the visited network. Therefore, for the roaming user, there are two IP addresses assigned by the home network and the visited network.
  • the prior art lacks the relevant processing of how the two IP addresses are used and registered to the IMS system. Summary of the invention
  • the embodiment of the invention provides a method for using a roaming user IP address, which includes the following steps:
  • the roaming user obtains routing policy information from the visited network
  • the roaming user judges whether the service can use the route optimization function according to the routing policy information.
  • the roaming user judges that the service can use the route optimization function, the IP address allocated by the visited network is used, otherwise, the IP address allocated by the home network is used.
  • the routing policy information is sent to the roaming user by the attach accept message when the roaming user attaches to the visited network.
  • the attach accept message further carries an IP address assigned by the visited network and the home network to the roaming user.
  • the step of determining whether the service can use the route optimization function is performed when the roaming user initiates the service initiation registration.
  • the IP address of the roaming user in the registration message initiated by the roaming user is the IP address assigned by the home network.
  • the roaming user determines that the service can use the route optimization function, the roaming user initiates the registration message.
  • Roaming user The IP address is the IP address assigned to the visited network.
  • roaming users When using the route optimization function, roaming users register by visiting the gateway device of the network.
  • the roaming user registers with the gateway device of the home network.
  • the step of determining whether the service can use the route optimization function is performed when the roaming user performs the service.
  • the embodiment of the present invention further provides a user terminal, including: a routing policy information module, a route optimization function determining module, and an IP address selecting module;
  • the routing policy information module is configured to obtain routing policy information, and send the routing optimization function to the routing module;
  • the route optimization function judging module is configured to receive the routing policy information sent by the routing policy information module, and determine whether the route optimization function can be used according to the routing policy information, and send the judgment result to the IP address selection module;
  • the IP address selection module is configured to determine the IP address assigned by the home network or the visited network according to the judgment result of the route optimization function judgment module.
  • the IP address selection module selects to use the EP address allocated by the visited network; otherwise, the allocation is performed using the home network.
  • the roaming user obtains the routing policy information when registering to the visited network, and when the service initiates registration or performs the service, according to whether the service can use the route optimization function to register or use the IP address assigned by the home network, and the visited network allocation.
  • the IP address resolves the registration and use of two IP addresses.
  • FIG. 1 is a flowchart of obtaining routing policy information when a roaming user attaches to a visited network according to an embodiment of the present invention
  • FIG. 2 is a flow chart of obtaining an IP address when a roaming user activates to visit a network in an embodiment of the present invention
  • FIG. 3 is a flow chart of IMS registration of a roaming user when a service can use a route optimization function according to an embodiment of the present invention
  • FIG. 4 is a flow chart of IMS registration of a roaming user when the service cannot use the route optimization function in the embodiment of the present invention.
  • FIG. 5 is a schematic diagram of a user terminal according to an embodiment of the present invention. Mode for carrying out the invention
  • the roaming user acquires routing policy information when registering to the visited network.
  • the service can use the route optimization function to register or use the IP address assigned by the home network and the IP address assigned by the visited network.
  • FIG. 1 is a flowchart of obtaining route policy information when a roaming user attaches to a visited network in the embodiment of the present invention:
  • Step 101 The roaming user discovers the SAE/LTE access system of the visited network, and selects the SAE/LTE access system of the visited network.
  • Step 102 The roaming user sends an attach request (Attach Request) message to the mobility management entity/user plane entity (MME/UPE, Mobility Management Entity/User Plane Entity) of the visited network, and requests to attach to the MME/UPE.
  • MME/UPE mobility management entity/user plane entity
  • Step 103 The MME/UPE of the visited network authenticates the roaming user.
  • Step 104 After the roaming user passes the authentication, the MME/UPE of the visited network registers its address information into the HSS (Register MME/UPE), indicating that the roaming user is currently attached to the MME/UPE.
  • the MME/UPE of the visited network registers its address information into the HSS (Register MME/UPE), indicating that the roaming user is currently attached to the MME/UPE.
  • Step 105 The HSS sends a Confirm Registration message to the MME/UPE of the visited network to notify the MME/UPE that the registration is successful.
  • the message carries the routing policy information of the roaming user configured in the HSS.
  • the routing function can be set for the service type of the roaming user, the location of the service, and the IP flow of the service.
  • Step 106 After receiving the confirmation registration message, the MME/UPE of the visited network selects an Inter AS Mobility Anchor GW as a user plane anchor for the roaming user, including the Inter AS anchor of the visited network and the home network. Inter AS anchor.
  • Step 107 The Inter AS anchor uses the IP address of the roaming user for IP layer configuration, and the User Plane Route Configuration is established between the roaming user and the Inter AS anchor, and the default charging policy and rules are used.
  • Step 108 Configure a QoS (Quality of Service) parameter (Configure IP Bearer QoS) used by the IP access bearer between the MME/UPE and the evolved RAN.
  • QoS Quality of Service
  • Configure IP Bearer QoS Configure IP Bearer QoS
  • the MME/UPE allocates a temporary identifier to the roaming user, and sends an attach accept message to the roaming user, informing the roaming user to accept the attach request message sent by the roaming user, where the attach accept message carries the MME/UPE as the roaming user.
  • the routing policy information is also carried to the roaming user in the attach accept message. The roaming user saves the routing policy information to its context.
  • Step 110 After receiving the attach accept message, the roaming user returns an attach to the MME UPE. Confirm ( Attach Confirm) message.
  • the roaming user can also obtain the IP address assigned by the visited network and the home network after activation to the visited network, as shown in FIG. 2 .
  • Figure 2 shows the flow of obtaining the IP address assigned to the visited network and the home network when the roaming user activates to the visited network:
  • Step 201 The roaming user sends an activation request message to the MME/UPE of the visited network.
  • Step 203 The Inter AS anchor uses the IP address of the roaming user for IP layer configuration, and establishes a user plane between the roaming user and the Inter AS anchor.
  • Step 204 Configure a QoS parameter used by the IP access bearer between the MME/UPE of the visited network and the evolved RAN of the visited network.
  • Step 205 The MME/UPE of the visited network sends an activation accept message to the roaming user, and notifies the roaming user to accept the activation request message sent by the roaming user, where the message carries the IP address assigned by the visited network and the home network to the roaming user.
  • the roaming user After the roaming user obtains the IP address assigned by the visited network and the home network after attaching or activating to the visited network, the obtained IP address is saved in its context.
  • the roaming user can determine whether the service can use the route optimization function, and can determine according to the service type, the location of the service, and the IP flow of the service, which is determined by the home network and the operator of the visited network.
  • the IP address of the roaming user in the IMS registration message initiated by the roaming user is the IP address assigned by the home network; if the roaming user finds that the service can use the route optimization function, the IMS registration message initiated by the roaming user The IP address of the roaming user is the IP address assigned to the visited network.
  • Figure 3 shows the roaming user initiating IMS registration when the service can use the route optimization function.
  • Step 301 The roaming user sends a registration message to the P-CSCF by using the Inter AS Anchor of the visited network, and the roaming user IP address carried in the message is an IP address allocated by the visited network for the roaming user;
  • Step 302 The P-CSCF sends a 200 OK message to the roaming user through the Inter AS Anchor of the visited network.
  • Figure 4 shows the process by which roaming users initiate IMS registration when the service cannot use the route optimization function:
  • Step 401 The roaming user sends a registration message to the P-CSCF through the Inter AS Anchor of the home network, where the roaming user IP address carried in the message is an IP address allocated by the home network to the roaming user.
  • Step 402 The P-CSCF sends a 200 OK message to the roaming user through the Inter AS Anchor of the home network.
  • the roaming user can also judge whether the service used can use the route optimization function when performing the service. If the service is found to be able to use the route optimization function, the IP address assigned by the visited network is used; otherwise, the IP address assigned by the home network is used.
  • the judgment of whether the service can use the route optimization function can be determined according to the service type, the location of the service, and the IP flow of the service, and is determined by the home network and the operator of the visited network.
  • FIG. 5 is a schematic diagram of a user terminal according to an embodiment of the present invention, including: a routing policy information module 501, a route optimization function determining module 502, and an IP address selecting module 503; wherein the routing policy information module 501 is configured to obtain a routing policy from a visited network. The information is sent to the route optimization function determining module 502;
  • the route optimization function determining module 502 is configured to receive the routing policy information sent by the routing policy information module 501, and determine whether the route optimization function can be used according to the routing policy information, and the The broken result is sent to the IP address selection module 503;
  • the IP address selection module 503 is configured to select an IP address allocated by using the home network or the visited network according to the judgment result of the route optimization function judgment module 502. When the route optimization function judging module 502 judges that the route optimization function can be used, the IP address selection module 503 selects to use the IP address assigned by the visited network; otherwise, uses the IP address assigned by the home network.

Abstract

L'invention concerne un procédé d'utilisation de l'adresse IP d'un utilisateur itinérant et un terminal utilisateur destiné à cet effet. Le procédé selon l'invention comporte les étapes suivantes: un utilisateur itinérant obtient les informations de stratégie de route du réseau visité; et l'utilisateur itinérant juge si le service peut utiliser la fonction d'optimisation de route en fonction des informations de stratégie de route, et sélectionne l'adresse IP qui lui est affectée par le réseau domestique ou par le réseau visité. Selon l'invention, l'utilisateur itinérant obtient les informations de stratégie de route lorsqu'il se connecte au réseau visité, et enregistre ou utilise l'adresse IP qui lui est affectée par le réseau domestique, et l'adresse IP qui lui est affectée par le réseau visité, si la fonction d'optimisation de route peut être employée par le service lors du déclenchement de l'enregistrement du service ou de la réalisation de l'enregistrement du service, ce qui résout le problème de l'enregistrement et de l'utilisation des deux adresses IP.
PCT/CN2007/000368 2006-03-28 2007-02-02 Procédé d'utilisation de l'adresse ip d'un utilisateur itinérant et terminal utilisateur destiné à cet effet WO2007109955A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200610034788.3 2006-03-28
CN2006100347883A CN1859412B (zh) 2006-03-28 2006-03-28 一种演进网络中漫游用户ip地址的注册和业务使用方法

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WO2007109955A1 true WO2007109955A1 (fr) 2007-10-04

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EP2245795A1 (fr) * 2008-02-06 2010-11-03 Cellco Partnership D/B/A Verizon Wireless Optimisation de chemin utilisant une politique mise en uvre par mobile, exécutée par réseau
US9596621B2 (en) 2012-08-10 2017-03-14 Ibasis, Inc. Signaling traffic reduction in mobile communication systems
US9788188B2 (en) 2012-12-14 2017-10-10 Ibasis, Inc. Method and system for hub breakout roaming
US10470031B2 (en) 2016-05-20 2019-11-05 Ibasis, Inc. Voice over IMS roaming gateway

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CN101296504B (zh) * 2007-04-26 2011-09-28 华为技术有限公司 在漫游网络实现ip多媒体子系统业务的方法、系统及装置
WO2009036806A1 (fr) 2007-09-20 2009-03-26 Telefonaktiebolaget Lm Ericsson (Publ) Procédé et appareil pour l'itinérance entre des réseaux de communication
CN101437019B (zh) * 2007-11-13 2012-04-04 华为技术有限公司 分配地址预处理的方法和移动性能管理实体
CN101459971B (zh) * 2008-05-30 2011-09-21 中兴通讯股份有限公司 一种漫游情况下建立双ip承载的方法
CN101577674B (zh) * 2008-07-03 2011-08-24 中兴通讯股份有限公司 用户终端接入归属网pdn和拜访网pdn的方法
CN101931900B (zh) * 2009-06-26 2014-03-19 中兴通讯股份有限公司 一种ip多媒体子系统网络的业务实现方法及系统
CN102006580B (zh) * 2009-09-03 2013-11-06 中兴通讯股份有限公司 一种路由策略的获取方法及系统
US9871828B2 (en) * 2014-07-18 2018-01-16 T-Mobile Usa, Inc. Enhanced IMS services restriction and selection control for mobile devices roaming in foreign networks
CN106612299B (zh) * 2015-10-22 2020-07-10 阿里巴巴集团控股有限公司 访问请求的处理方法和装置

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CN1859776A (zh) * 2006-01-26 2006-11-08 华为技术有限公司 一种3gpp演进网络中漫游用户数据路由优化方法

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WO2004095795A1 (fr) * 2003-04-17 2004-11-04 Orange Sa Agent mobile distribue
CN1859776A (zh) * 2006-01-26 2006-11-08 华为技术有限公司 一种3gpp演进网络中漫游用户数据路由优化方法

Cited By (7)

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EP2245795A1 (fr) * 2008-02-06 2010-11-03 Cellco Partnership D/B/A Verizon Wireless Optimisation de chemin utilisant une politique mise en uvre par mobile, exécutée par réseau
EP2245795A4 (fr) * 2008-02-06 2012-10-10 Cellco Partnership Dba Verizon Optimisation de chemin utilisant une politique mise en uvre par mobile, exécutée par réseau
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US9596621B2 (en) 2012-08-10 2017-03-14 Ibasis, Inc. Signaling traffic reduction in mobile communication systems
US9788188B2 (en) 2012-12-14 2017-10-10 Ibasis, Inc. Method and system for hub breakout roaming
US10911932B2 (en) 2012-12-14 2021-02-02 Ibasis, Inc. Method and system for hub breakout roaming
US10470031B2 (en) 2016-05-20 2019-11-05 Ibasis, Inc. Voice over IMS roaming gateway

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CN1859412B (zh) 2012-06-20

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