WO2019120164A1 - 一种移动信令管理方法 - Google Patents

一种移动信令管理方法 Download PDF

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Publication number
WO2019120164A1
WO2019120164A1 PCT/CN2018/121490 CN2018121490W WO2019120164A1 WO 2019120164 A1 WO2019120164 A1 WO 2019120164A1 CN 2018121490 W CN2018121490 W CN 2018121490W WO 2019120164 A1 WO2019120164 A1 WO 2019120164A1
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Prior art keywords
user equipment
network address
information
network
name
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PCT/CN2018/121490
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English (en)
French (fr)
Inventor
齐卫宁
陈君
王玲芳
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Institute of Acoustics CAS
Beijing Hili Technology Co Ltd
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Institute of Acoustics CAS
Beijing Hili Technology Co Ltd
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Application filed by Institute of Acoustics CAS, Beijing Hili Technology Co Ltd filed Critical Institute of Acoustics CAS
Priority to KR1020207016314A priority Critical patent/KR102393847B1/ko
Priority to JP2020543687A priority patent/JP7042352B2/ja
Priority to AU2018389037A priority patent/AU2018389037B2/en
Priority to EP18893246.1A priority patent/EP3700242A4/en
Priority to US16/760,008 priority patent/US11057759B2/en
Publication of WO2019120164A1 publication Critical patent/WO2019120164A1/zh
Anticipated expiration legal-status Critical
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    • 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
    • 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
    • H04W8/06—Registration at serving network Location Register, VLR or user mobility server
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/17—Selecting a data network PoA [Point of Attachment]
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/26—Network addressing or numbering for mobility support

Definitions

  • the present invention relates to the field of communications, and in particular, to a mobile signaling management method.
  • Mobility management technology is the management of user equipment location information, security and business continuity. It strives to optimize the connection status between the terminal and the network, and thus provides guarantee for the application of various network services.
  • the high-speed movement of the terminal will cause the IP address of the existing Internet system to change rapidly.
  • the core concept of the information center network (ICN) is to separate the name from the address. Using the ICN naming mechanism, each entity in the network obtains a location and location. The unrelated entity unique identifier is used as the name. By dynamically binding the entity name to the current network address of the entity, the problem of rapid change of the IP address in the communication process can be solved. How to carry out signaling interaction between user equipment, access network and mobility management service is an indispensable link in data communication, and its performance directly affects network service quality.
  • the mobility management methods in ICN include local data acquisition and path repair methods, and agent-based global mobility management methods.
  • the localized repair method can complete the transfer of data packets from the pre-movement position to the post-movement position relatively quickly.
  • local repair methods are prone to path stretching problems, resulting in triangular routing.
  • the agent-based global mobility management method can avoid the above-mentioned path stretching problem.
  • the existence of the mobile agent leads to unbalanced load, and at the same time, it is not conducive to local rapid repair, which may cause data interruption of real-time communication service.
  • the technical problem to be solved by the embodiment of the present invention is: after the communication end user equipment (UE) in the process of the communication session changes its current network address by moving, how to communicate and forward the communication data through signaling interaction.
  • the network device and the user equipment of the communication peer can quickly find the problem of the current new address after the move.
  • the communication message can be forwarded to the new location in time to ensure the continuity of the service session and avoid the path extension problem as soon as possible.
  • the embodiment of the present invention provides a mobile signaling management method, which uses a distributed container of hierarchical nested structure to process registration and query of user equipment location information, and the method includes: a first user equipment The first network device is connected to obtain the first network address allocated by the first network device; the first user device registers the binding information of the first user device name and the first network address to the first mobility management node, where the first mobility management node a node that is located after the first user equipment moves the location; the first user equipment updates the binding information of the first user equipment name to the first network address to the second network device; the first user equipment sends the second user equipment to the communication peer end The binding information of the name of the first user equipment and the first network address is updated.
  • the method further includes: if the first network address information is unreachable externally, the first user equipment obtains the first network address from the first network device by using the address acquisition message; and the first user equipment updates the first user to the second user equipment of the communication peer end Binding information of the name of the device and the first network address; the second network device sends the parsing request information to the second mobility management node, so that the second network device updates the binding information of the name of the first user equipment and the first network address;
  • the second mobility management node is a node where the first user equipment moves before the location.
  • the binding information includes at least a first user equipment name, first network address information, and/or a serial number.
  • the name of the first user equipment is unique, persistent, and usable.
  • the network device is configured to allocate a network address to the user equipment according to the method provided by the embodiment of the present invention;
  • the location registration information of the user equipment includes: a name, a valid location information, and a serial number of the user equipment, where the serial number is maintained by the user equipment.
  • the user equipment and the network device register the binding information of the name and the address to the mobility management node; the user equipment and the network equipment belong to the same mobility management node, or the user equipment and the network equipment do not belong to the same mobility management node.
  • the first user equipment updates the binding information of the first user equipment name and the first network address to the second user equipment of the communication peer end, including: The first user equipment detects that the first network address information is unreachable externally, and the first user equipment sends the address obtaining information to the first network device to obtain the first network address information; the network address of the first network device is the external network address; The user equipment sends and updates the binding information of the first user equipment name and the first network address to the second network device; the first user equipment sends the binding of the first user equipment name and the first network address to the second user equipment The second user equipment receives the binding information of the first user equipment name and the first network address, and verifies the validity of the message, and updates the binding information of the first user equipment name and the first network address.
  • the first user equipment reports the network address information of the first user equipment in the mobility management node to the first network device.
  • the signaling message interaction is performed in a self-authentication manner.
  • a mobile signaling management method provided by an embodiment of the present invention is directed to a communication service session persistence requirement, so that when a communication end entity changes a network address due to location movement, the network forwarding and storage device and the communication peer end can be fast. Re-acquiring the location information of the mobile communication network to support the service requirements of restoring communication, maintaining the duration of the session, and improving the path stretching problem as soon as possible.
  • FIG. 1 is a schematic diagram of a method for managing mobile signaling according to an embodiment of the present invention.
  • FIG. 1 is a schematic diagram of a method for managing mobile signaling according to an embodiment of the present invention.
  • the method adopts a hierarchical container with a hierarchical nested structure to process registration and query of user equipment location information
  • the mobile communication network adopts an information center network to support mobility signaling, and performs signaling interaction of the network element device.
  • the binding information includes at least the name of the user equipment, the first network address information, and/or the serial number.
  • the name of the user device is unique, persistent, and usable.
  • the signaling message that is exchanged between the user equipment and the mobility management node includes: a registration message, a resolution request message, and a resolution response message.
  • the signaling message exchanged between the user equipment and the network device includes: an address acquisition message, a node information, and a node message.
  • the binding message includes: a registration message, a request message, and a response message; the signaling message exchanged between the user equipment and the user equipment includes: a binding message.
  • the network device is configured to allocate a network address to the user equipment; the location registration information of the user equipment includes: a name, a valid location information, and a serial number of the user equipment; wherein the serial number is maintained by the user equipment, updated with each registration; the user equipment and The network device registers the binding information of the name and the address to the mobility management node; the user equipment and the network device may belong to the same mobility management node, and the user equipment and the network device may not belong to the same mobility management node.
  • the user equipment can obtain the address information of the mobility management node to which it belongs by using configuration information or by other means.
  • the user equipment After obtaining the network address from the network device, the user equipment detects whether it is an intranet address.
  • the user equipment sends a registration message to the node to which the user equipment belongs, the registration message includes at least the name of the user equipment, the latest network address information of the user equipment, and/or a serial number.
  • the name of the user device is unique, persistent, and usable.
  • the user equipment sends a binding message to the network device connected when the location is not moved, and updates the binding information of the name and the network address.
  • the binding information includes at least the name of the user equipment, the latest network address information and sequence of the user equipment. number.
  • the user equipment sends a binding message to the peer user equipment that currently maintains the data connection, and updates the binding information of the name and the network address.
  • the binding information includes at least the name of the user equipment, the latest network address information of the user equipment, and / or serial number.
  • the user equipment sends the address obtaining information to the current network device, and obtains the network address (external network address) of the network device.
  • the user equipment sends a registration message to the node to which it belongs.
  • the registration message includes at least the name of the user equipment, the latest network address information and/or the serial number of the mobile user equipment.
  • the user equipment sends a binding message to the network device connected to the non-moving location, and updates the binding information of the name and the network address; the binding information includes at least the name of the user equipment, and the network address of the network attachment point of the user equipment. Information and / or serial number.
  • the user equipment sends a binding message to the peer network entity that currently maintains the data connection, and updates the binding information of the name and the network address; the binding information includes at least the name of the user equipment, the latest network address information of the user equipment, and / or serial number.
  • the user equipment sends the node information to the currently connected network device, and reports the network address of the node where it is located to the currently connected network device.
  • the network device connected to the user equipment When the network device connected to the user equipment receives the data packet sent to the user equipment and detects that the user equipment has disconnected from the user equipment, the network device queries the node address to which the user equipment belongs, and manages the mobility to the mobile device.
  • the node sends a parsing request message.
  • the parsing request message includes at least: a name of the user equipment.
  • the mobility management node After receiving the parsing request message, the mobility management node queries the registration message and sends a parsing response message to the network device that sends the parsing request.
  • the parsing response message includes at least: the name of the user equipment, the network address, and/or the serial number.
  • the peer user equipment that maintains the data connection with the user equipment may also periodically send a resolution request message to the node to which it belongs to obtain the latest binding information of the user equipment.
  • the foregoing method for signaling interaction also includes the following methods: if some user equipment does not support the binding signaling, the network device to which the user equipment belongs replaces the message that the user equipment is responsible for the binding information.
  • the mobile signaling management method provided by the embodiment of the present invention is directed to the communication service session persistence requirement, so that when the communication end entity changes the network address due to the location movement, the network forwarding and storage device and the communication peer end can be quickly reacquired.
  • the problem of mobile communication network location information thereby supporting the service requirements of restoring communication, maintaining session persistence, and improving path stretching problems as quickly as possible.

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

Abstract

本发明实施例涉及一种移动信令管理方法，该方法采用层次化嵌套结构的分布式容器处理用户设备位置信息的注册和查询，该方法包括：第一用户设备连接第一网络设备，获得第一网络设备分配的第一网络地址；第一用户设备向第一移动管理节点注册第一用户设备的名字与第一网络地址的绑定信息，第一移动管理节点为第一用户设备移动位置后所在的节点；第一用户设备向第二网络设备更新第一用户设备的名字与第一网络地址的绑定信息；第一用户设备向通信对端的第二用户设备更新第一用户设备的名字与第一网络地址的绑定信息。

Description

一种移动信令管理方法
相关申请
本申请要求于2017年12月19日提交的中国专利申请号为201711378517.4的优先权和名称为“一种移动信令管理方法”、于2017年12月29日提交的中国专利申请号为201711484931.3的优先权，在此通过引用包括该两件申请。
技术领域
本发明涉及通信领域，尤其涉及一种移动信令管理方法。
背景技术
移动性管理技术是对用户设备位置信息、安全性以及业务连续性方面的管理，努力使终端与网络的联系状态达到最佳，进而为各种网络服务的应用提供保证。
终端高速移动会导致现有互联网系统的IP地址快速变化的问题，而信息中心网络(ICN)的核心理念是名字与地址分离，采用ICN的命名机制，网络中的每个实体都获得一个与位置无关的实体唯一标识符作为名字，通过对实体名字与实体当前网络地址的动态绑定，可以解决通信过程中的IP地址快速变化的问题。而如何在用户设备、接入网络和移动管理服务之间进行信令交互，是数据通信中不可缺少的环节，其性能直接影响到网络服务质量。
ICN中的移动性管理方法有局部性数据获取和路径修复方法、基于代理的全局移动性管理方法等。局部性的修复方法可以较快速的完成数据分组从移动前位置到移动后位置的传递。但是，局部性的修复方法容易引起路径伸展问题，造成三角路由。基于代理的全局移动性管理方法可以避免上述的路径伸展问题，但是，移动代理的存在导致负载不均衡，同时，也不利于局部的快速修复，可能会造成实时通信业务的数据中断。
发明内容
本发明实施例所要解决的技术问题是：已处于通信会话过程中的通信端用户设备(UE)，因移动而改变其当前网络地址后，如何通过信令交互，让负责其通信数据传输和转发的网络设备及通信对端的用户设备，能快速查找到其移动后 的当前新地址的问题。通过在移动端局部或者通信两端查询获知新的位置信息，以支撑通信报文能被及时转发到新位置，来保障服务会话的持续，并尽快避免路径伸展问题。
为了解决上述问题，本发明实施例提功了一种移动信令管理方法，该方法采用层次化嵌套结构的分布式容器处理用户设备位置信息的注册和查询，该方法包括：第一用户设备连接第一网络设备，获得第一网络设备分配的第一网络地址；第一用户设备向第一移动管理节点注册第一用户设备的名字与第一网络地址的绑定信息，第一移动管理节点为第一用户设备移动位置后所在的节点；第一用户设备向第二网络设备更新第一用户设备的名字与第一网络地址的绑定信息；第一用户设备向通信对端的第二用户设备更新第一用户设备的名字与第一网络地址的绑定信息。
该方法还包括：如果第一网络地址信息外部不可达，第一用户设备通过地址获取消息向第一网络设备获得第一网络地址；第一用户设备向通信对端的第二用户设备更新第一用户设备的名字和第一网络地址的绑定信息；第二网络设备向第二移动管理节点发送解析请求信息，使得第二网络设备更新第一用户设备的名字与第一网络地址的绑定信息；第二移动管理节点为第一用户设备移动位置前所在的节点。
基于本发明实施例提供的方法，绑定信息至少包括第一用户设备的名字、第一网络地址信息和/或序列号。
基于本发明实施例提供的方法，第一用户设备的名字具有唯一性、持久性、可用性。
基于本发明实施例提供的方法，网络设备用于分配网络地址给用户设备；用户设备的位置注册信息包括：用户设备的名字、有效位置信息和序列号；其中，序列号由用户设备负责维护，随每次注册更新；用户设备和网络设备向移动管理节点注册名字与地址的绑定信息；用户设备和网络设备属于同一个移动管理节点，或用户设备和网络设备不属于同一个移动管理节点。
基于本发明实施例提供的方法，如果第一网络地址信息外部不可达，第一用户设备向通信对端的第二用户设备更新第一用户设备的名字和第一网络地址的绑定信息，包括：第一用户设备检测到第一网络地址信息外部不可达，第一用户设备向第一网络设备发送地址获取信息，获得第一网络地址信息；第一网络设备的网络地址为外网地址；第一用户设备向第二网络设备发送并更新第一用户设备 的名字和第一网络地址的绑定信息；第一用户设备向第二用户设备发送第一用户设备的名字和第一网络地址的绑定信息；第二用户设备接收第一用户设备的名字和第一网络地址的绑定信息，并检验消息的合法性，更新第一用户设备的名字和第一网络地址的绑定信息。
基于本发明实施例提供的方法，第一用户设备向第一网络设备报告第一用户设备在移动管理节点的网络地址信息。
基于本发明实施例提供的方法，信令消息交互采用自验证方式进行。
本发明实施例提供的一种移动信令的管理方法，面向通信服务会话持续性需求，以解决当通信端实体在因位置移动而改变网络地址后，网络转发和存储设备及通信对端能快速重新获取移动通信端网络位置信息的问题，从而支撑在恢复通信、保持会话持续并尽快改善路径伸展问题的服务需求。
附图说明
图1为本发明实施例提供的一种移动信令的管理方法示意图。
具体实施方式
下面通过附图和实施例，对本发明的技术方案做进一步的详细描述。
图1为本发明实施例提供的一种移动信令的管理方法示意图。如图1所示，该方法采用层次化嵌套结构的分布式容器处理用户设备位置信息的注册和查询，移动通信网络采用信息中心网络支持移动性的信令，进行信令交互的网元设备包含用户设备，网络设备、移动管理节点。为了支持移动性需要交互的信令消息共包含6种，分别是：注册消息，解析请求消息，解析应答消息，绑定消息，地址获取消息和所在节点消息。绑定信息至少包括用户设备的名字、第一网络地址信息和/或序列号。用户设备的名字具有唯一性、持久性、可用性。
其中，用户设备和移动管理节点之间交互的信令消息包括：注册消息，解析请求消息，解析应答消息；用户设备和网络设备之间交互的信令消息包括：地址获取消息、所在节点消息和绑定消息；网络设备和移动管理节点之间交互的信令消息包括：注册消息，解析请求消息，解析应答消息；用户设备和用户设备之间交互的信令消息包括：绑定消息。网络设备用于分配网络地址给用户设备；用户设备的位置注册信息包括：用户设备的名字、有效位置信息和序列号；其中，序列号由用户设备负责维护，随每次注册更新；用户设备和网络设备向移动管理节 点注册名字与地址的绑定信息；用户设备和网络设备可以属于同一个移动管理节点，用户设备和网络设备也可以不属于同一个移动管理节点。
用户设备可以通过配置信息或者通过其他方式获得其所属的移动管理节点的地址信息。
在通信会话保持过程中，由于用户设备的移动而导致用户设备的网络地址发生变化以后，进行信令消息交互。为了保证消息的安全性和可靠性，所有的信令消息交互采用自验证的方式进行。
用户设备在从网络设备获得网络地址之后，检测其是否为内网地址。
如果用户设备获得的网络地址不是内网地址：用户设备向其所属节点发送注册消息，注册消息至少包含该用户设备的名字、该用户设备的最新网络地址信息和/或序列号。用户设备的名字具有唯一性、持久性、可用性。
用户设备向未移动位置时连接的网络设备发送绑定消息，更新其名字和网络地址的绑定信息；所述绑定信息至少包含该用户设备的名字、该用户设备最新的网络地址信息和序列号。
用户设备向当前保持数据连接的对端用户设备发送绑定消息，更新其名字和网络地址的绑定信息；所述绑定信息至少包含该用户设备的名字、该用户设备最新的网络地址信息和/或序列号。
如果用户设备获得的网络地址是内网地址：用户设备向当前网络设备发送地址获取信息，获取网络设备的网络地址(外网地址)。
用户设备向其所属节点发送注册消息，注册消息至少包含该用户设备的名字、该移用户设备最新的网络地址信息和/或序列号。
用户设备向未移动位置时连接的网络设备发送绑定消息，更新其名字和网络地址的绑定信息；所述绑定信息至少包含该用户设备的名字、该用户设备的网络附着点的网络地址信息和/或序列号。
用户设备向当前保持数据连接的对端网络实体发送绑定消息，更新其名字和网络地址的绑定信息；所述绑定信息至少包含该用户设备的名字、该用户设备的最新网络地址信息和/或序列号。
用户设备向当前连接的网络设备发送所在节点信息，向当前连接的网络设备报告其所在节点的网络地址。
用户设备未移动位置时连接的网络设备在收到发送给该用户设备的数据分组并检测到用户设备已经和自己断开连接之后，该网络设备查询用户设备所属的 节点地址，并向该移动管理节点发送解析请求消息。该解析请求消息至少包含：用户设备的名字。
移动管理节点收到解析请求消息之后，查询注册消息，并向发送解析请求的网络设备发送解析应答消息，该解析应答消息至少包含：用户设备的名字，网络地址和/或序列号。
与用户设备保持数据连接的对端用户设备也可以周期性的向其所属的节点发送解析请求消息，以获得用户设备的最新的绑定信息。
实际实施中，上述关于信令交互的方法也拓展包括如下几种方式：如果某些用户设备不支持绑性信令发送，由用户设备所属的网络设备代替用户设备负责绑定信息的消息发送。
本发明实施例提供的移动信令的管理方法，面向通信服务会话持续性需求，以解决当通信端实体在因位置移动而改变网络地址后，网络转发和存储设备及通信对端能快速重新获取移动通信端网络位置信息的问题，从而支撑在恢复通信、保持会话持续并尽快改善路径伸展问题的服务需求。
以上所述的具体实施方式，对本发明的目的、技术方案和有益效果进行了进一步详细说明，所应理解的是，以上所述仅为本发明的具体实施方式而已，并不用于限定本发明的保护范围，凡在本发明的精神和原则之内，所做的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (8)

  1. 一种移动信令管理方法，所述方法采用层次化嵌套结构的分布式容器处理用户设备位置信息的注册和查询，所述方法包括：
    第一用户设备连接第一网络设备，获得所述第一网络设备分配的第一网络地址；
    第一用户设备向第一移动管理节点注册所述第一用户设备的名字与所述第一网络地址的绑定信息，所述第一移动管理节点为所述第一用户设备移动位置后所在的节点；
    第一用户设备向所述第二网络设备更新所述第一用户设备的名字与所述第一网络地址的绑定信息；
    第一用户设备向通信对端的第二用户设备更新所述第一用户设备的名字与所述第一网络地址的绑定信息。
  2. 根据权利要求1所述的方法，其特征在于，所述方法还包括：
    如果第一网络地址信息外部不可达，所述第一用户设备通过地址获取消息向第一网络设备获得第一网络地址；
    第一用户设备向通信对端的第二用户设备更新所述第一用户设备的名字和所述第一网络地址的绑定信息；
    第二网络设备向第二移动管理节点发送解析请求信息，使得第二网络设备更新所述第一用户设备的名字与所述第一网络地址的绑定信息；所述第二移动管理节点为第一用户设备移动位置前所在的节点。
  3. 根据权利要求1或2所述的方法，其特征在于，所述绑定信息至少包括第一用户设备的名字、第一网络地址信息和/或序列号。
  4. 根据权利要求1或2所述的方法，其特征在于，所述第一用户设备的名字具有唯一性、持久性、可用性。
  5. 根据权利要求1或2所述的方法，其特征在于，网络设备用于分配网络地址给用户设备；用户设备的位置注册信息包括：用户设备的名字、有效位置信息和序列号；其中，序列号由用户设备负责维护，随每次注册更新；用户设备和网络设备向移动管理节点注册名字与地址的绑定信息；用户设备和网络设备属于同一个移动管理节点，或用户设备和网络设备不属于同一个移动管理节点。
  6. 根据权利要求1或2所述的方法，其特征在于，如果第一网络地址信息外部不可达，所述第一用户设备向通信对端的第二用户设备更新所述第一用户设备 的名字和所述第一网络地址的绑定信息，包括：
    第一用户设备检测到第一网络地址信息外部不可达，所述第一用户设备向第一网络设备发送地址获取信息，获得第一网络地址信息；所述第一网络设备的网络地址为外网地址；
    第一用户设备向第二网络设备发送并更新所述第一用户设备的名字和所述第一网络地址的绑定信息；
    第一用户设备向第二用户设备发送所述第一用户设备的名字和所述第一网络地址的绑定信息；
    第二用户设备接收所述第一用户设备的名字和所述第一网络地址的绑定信息，并检验消息的合法性，更新所述第一用户设备的名字和所述第一网络地址的绑定信息。
  7. 根据权利要求1或2所述的方法，其特征在于，第一用户设备向第一网络设备报告所述第一用户设备在移动管理节点的网络地址信息。
  8. 根据权利要求1或2所述的方法，其特征在于，信令消息交互采用自验证方式进行。
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