Tunnel based mobile IPv6 quick switching method

A fast switching and tunneling technology, applied in the field of computer networks, to achieve the effect of speeding up the switching speed, reducing the address configuration time, and reducing the switching delay

Inactive Publication Date: 2005-12-07
INST OF ACOUSTICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this method, due to the need for signaling interaction between the old and new access routers to establish a bidirectional tunnel between the two, the processing of these signaling packets introduces a handover delay

Method used

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  • Tunnel based mobile IPv6 quick switching method
  • Tunnel based mobile IPv6 quick switching method
  • Tunnel based mobile IPv6 quick switching method

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Embodiment Construction

[0042] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0043] The handover scenario is shown in Figure 1. The MN is initially connected to the access router oAR through the wireless access point oAP, and completes the process of updating the binding to the HA / CN here. Then the MN switches to the new access router nAR through the wireless access point nAP. The networks under oAR and nAR belong to foreign networks. The care-of address configured by the MN at the oAR is oCoA, and the care-of address configured at the nAR is nCoA.

[0044] The fast switching method of the present invention as shown in Figure 2, carries out as follows:

[0045]1) After the mobile node MN switches to a new access router nAR and establishes a second layer (link layer) connection, the link layer of the mobile node will generate a link start (Link-up) trigger signal. The generation of the Link-up signal varies ...

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Abstract

This invention provides a quick switching method based on tunnel IPv6 for the switch in mobile node moved from old access router to the new, which contains 1, the new accessed router setting a new transaction address to mobile node, 2, establishing a bidirection tunnel between mobile node and old accessed router, whose two ends addresses are respectively new transaction address mobile node and IPv6 address of old accessed router, said invention speeds up switching and reduces switch time delay.

Description

technical field [0001] The invention relates to the field of computer networks, and more specifically relates to a tunnel-based fast switching method in mobile IPv6. Background technique [0002] With the rapid development of wireless communication technology and network technology, people are no longer satisfied with only accessing the Internet at a fixed location, but expect a ubiquitous access method. Mobile IPv6 is a mobility solution proposed by the IETF, which can ensure that the transport layer connection of the terminal is not interrupted during the mobile process. [0003] The following are relevant technical terms: [0004] 1. Mobile Node (MN): A mobile host that can switch from one link to another without interrupting the current connection. In this paper, the mobile node supports the mobile IPv6 protocol. [0005] 2. Corresponding node (CN): It is a fixed / mobile host that communicates with the mobile node, which may be referred to as the corresponding node. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/28
Inventor 林涛侯自强张宇孙向辉
Owner INST OF ACOUSTICS CHINESE ACAD OF SCI
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