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Method of dynamic allocating home address remotely for mobile IPv6 node

A home address and dynamic configuration technology, applied in the field of mobile IP, can solve the problems of unfavorable operator expansion, high signaling exchange overhead, and reduced network efficiency, and achieve the effects of reducing roaming costs, optimizing routes, and improving communication efficiency

Inactive Publication Date: 2008-11-26
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Generally speaking, the access point and moving range of a mobile node are relatively fixed in stages, and there are very few mobile nodes that are constantly moving, especially very few mobile nodes that move continuously in a large area, so if The use of permanently fixed home links and home addresses will result in a large signaling exchange overhead and reduce network efficiency, and the roaming costs of users are also high, which is not conducive to the expansion of operators.

Method used

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  • Method of dynamic allocating home address remotely for mobile IPv6 node
  • Method of dynamic allocating home address remotely for mobile IPv6 node
  • Method of dynamic allocating home address remotely for mobile IPv6 node

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Embodiment Construction

[0030] In order to make the object, technical solution and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0031] The main idea of ​​the present invention is that when the mobile IPv6 node is powered on and accesses the network, it first accesses the authentication in the roaming area and obtains the care-of address, then obtains the home agent address and obtains the home address through the home authentication authorization, and then uses the obtained home address Bind and register with the care-of address, and update the binding when the care-of address changes.

[0032] figure 2 It is a schematic diagram of intra-domain mobility and inter-domain mobility according to an embodiment of the present invention. Such as figure 2As shown, the IP network can be divided into some mobility management domains according to the network topology...

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Abstract

The method includes steps: mobile IPv6 node is connected to the access location so as to obtain forwarding address; obtaining home proxy address; obtaining home address; binding home address with forwarding address and registering it, updating the binding if forwarding address is changed. When IPv6 node is not in home link, the disclosed method meets the need to initialize home address remotely and dynamically, and obtains authorized authentication. The invention realizes switching home address remotely and dynamically for mobile IPv6 node, optimizing route so as to raise communication efficiency in time of roaming cross-domain. The invention realizes mobility of consumer not relevant to hardware in terminal.

Description

technical field [0001] The invention relates to mobile IP (Internet Protocol) technology, in particular to a method for remotely and dynamically configuring a home address of a mobile IPv6 node. Background technique [0002] In the current Mobile IPv4 (Mobile Internet Protocol Version 4) and Mobile IPv6 (Mobile Internet Protocol version 6), the home address is the permanent unicast routable address of the mobile node, that is, the home link and home address of the mobile node are permanent and fixed . The home address may change only when the home link of the mobile node has multiple IP subnet prefixes or the IP subnet prefix changes actively. [0003] After the mobile node leaves home, all packets destined for the home address of the mobile node must first be sent to the home link of the mobile node, and then the packets are redirected to the care-of address. Even in IPv6 route optimization mode, packets at the initial stage of communication are sent to the home link firs...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04Q7/38H04L29/06H04W8/26
Inventor 刘恩慧
Owner HUAWEI TECH CO LTD
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