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Method and system for distributing homeplace agent

A technology of home agent and configuration information, applied in the field of mobile IP, can solve the problems of unclear mapping relationship, no clear distinction in the allocation process, and no description of CDMA2000 network, etc., and achieve the effect of reducing delay and improving communication efficiency.

Active Publication Date: 2012-02-29
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of HA being located in the home network is: if the MS is far away from the home network, and the MS does not perform route optimization with the communication peer, the MS will establish a bidirectional tunnel with the HA, and the HA will forward all the messages between the MS and the communication peer
However, this mapping relationship is not clear in the existing technical solutions, and it is not explained which entity in the CDMA2000 network corresponds to the entity in the bootstrapping, and the HA allocation process does not clearly distinguish the different situations of HA allocation in the home network and the visited network.

Method used

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  • Method and system for distributing homeplace agent
  • Method and system for distributing homeplace agent
  • Method and system for distributing homeplace agent

Examples

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Embodiment Construction

[0061] An embodiment of the present invention provides a method for allocating a home agent, including the steps of the MN accessing a visited network, obtaining a CoA from the visited network, and obtaining a HoA according to response information from the visited network. The MN binds the HoA and the CoA, and performs binding update when the CoA changes. When the MN accesses the visited network, it sends an authentication request to the home network through the visited network, which indicates whether the visited network has the ability to allocate HA; the home network verifies the request and sends a response to the visited network according to user configuration. According to the response, the visited network knows whether it is authorized to allocate HA to the MN. HoA can be obtained while obtaining the address of the HA, or can be assigned by the HA.

[0062] It should be noted that, in Mobile IPv6, the mobile station MS corresponds to the MN, and the description of the ...

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Abstract

A method and system for allocating home agent, in which the method includes steps as follows: the visit network indicating the capability of allocating the home agent to the home network; the visit network sending address information of home agent to the mobile node after received the authorization of allocating the home agent from the home network. The invention can make up the deficiency of allocating the home agent to the mobile node in the home network, enhance communication efficiency, reduce the time delay. Meanwhile, the invention can control the process of allocating efficiently.The visit network can denote to the home network whether it have the capacity of allocating home agent, so the home network can control whether the visit network execute the process of allocating.

Description

[0001] This application claims the priority of a Chinese patent application with application number 200610060696.2 and titled "A Method for Allocating Home Agents" filed with the China Patent Office on May 13, 2006, the entire contents of which are hereby incorporated by reference . technical field [0002] The invention relates to a mobile IP (Internet Protocol) technology, in particular to a method and system for distributing a home agent in a visited network in the mobile IP technology in a wireless cellular network. Background technique [0003] CDMA2000 networks, including CDMA20001x and High Rate Packet Data (HRPD, High Rate Packet Data) systems, require their packet domains to support mobile IP technology, such as mobile IPv6 technology. [0004] In the mobile IPv6 technology, a mobile node (MN, Mobile Node) has two types of addresses, one is called a home address (HoA, Home Address), and the other is called a care-of address (CoA, Care-ofAddress). During the mobile ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W12/08H04W8/26H04W12/06H04W88/14
CPCH04W12/08H04W36/0016H04W88/14H04W8/26H04W12/084
Inventor 赵洁刘继兴王洁
Owner HUAWEI TECH CO LTD