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Hierarchical mobility IPv6 rapid switching method and system

一种快速切换、层次化的技术，应用在网络通信领域，能够解决地址没有完成重复地址检测操作等问题，达到切换流程简单化、避免时间、缩短切换延时的效果

Active Publication Date: 2007-08-29
HUAWEI TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0033] Optimistic duplicate address detection protocol introduces a new type of address, that is, optimistic address, which is used to mark an address as available, but no duplicate address detection operation has been completed for this address.

Method used

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  • Hierarchical mobility IPv6 rapid switching method and system
  • Hierarchical mobility IPv6 rapid switching method and system

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Embodiment Construction

[0072] The present invention provides a method and system for fast switching of hierarchical mobile IPv6. The core of the present invention is: improving the hierarchical mobile IPv6 protocol, using the switching expectation provided by the link layer to accelerate the switching process, and using optimistic duplicate address detection The method shortens the time required for the duplicate address detection operation in the standard mobile IPv6 protocol.

[0073] Describe the present invention in detail below in conjunction with accompanying drawing, the structural representation of the embodiment of system of the present invention is as shown in Figure 1, comprises following unit:

[0074] AR: It is the access router of the mobile node, which is responsible for providing the network access point to the mobile node.

[0075] MAP: It is the mobile router of the mobile node, supports the layering of mobile IPv6, processes the local binding update of the mobile node, and sends a...

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Abstract

The method includes steps: based on switching anticipation provided by link layer, mobile node sends proxy route request message to previous access router of the mobile node; the previous access router sends information of network prefix of the new access router to the mobile node; based on the information of network prefix, the mobile node generates new forwarding address; after moving to target network, the invention carries out repetitive detection of optimistic address for the new forwarding address. The invention makes IPv6 switching flow simple, reduces signaling interaction in switching procedure so as to shorten switching time delay.

Description

technical field [0001] The invention relates to the technical field of network communication, in particular to a hierarchical mobile IPv6 fast switching method and system. Background technique [0002] In order to meet the increasingly common mobile requirements of network devices, the IETF (Internet Engineering Task Force, Internet Engineering Task Force) proposed the MIPv6 (Mobile IPv6, Mobile IPv6) protocol. Later, improved protocols such as Hierarchical Mobile IPv6 (HMIPv6, Hierarchical MobileIPv6) protocol and Fast Mobile IPv6 (FMIPv6, Fast Mobile IPv6) protocol were proposed to improve the switching and communication performance of Mobile IPv6. [0003] The Internet routing mode selects a route according to the destination address of the network layer, and sends the data packet to the network where the destination address is located, and then reaches the node represented by the destination address. In order to maintain smooth communication during the handover process ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L29/06H04W8/08H04W8/26H04W36/00H04W48/16H04W80/04
CPCH04W48/16H04W36/0016H04W80/04H04W8/085H04W8/26
Inventor 潘雪增官俊平玲娣陈炯李德丰
Owner HUAWEI TECH CO LTD
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