Method for optimizing HMIPv6 switching performance

An optimization method and technology for handover performance, applied in the field of network communication, can solve problems such as inability to meet seamless handover requirements, without reducing delay, etc., and achieve the effects of improving flexibility and scalability, improving handover performance, and optimizing handover performance

Inactive Publication Date: 2011-08-17
SHANDONG UNIV
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Problems solved by technology

[0005] F-HMIPv6 (Fast handover for HMIPv6, Fast Hierarchical Mobile IPv6) introduces fast handover on the basis of HMIPv6, but it does not reduce the delay in the duplicate address detection operation for the link care-of address and area care-of

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  • Method for optimizing HMIPv6 switching performance
  • Method for optimizing HMIPv6 switching performance
  • Method for optimizing HMIPv6 switching performance

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Embodiment Construction

[0040] Below in conjunction with accompanying drawing and embodiment the present invention will be further described:

[0041] A HMIPv6 handover performance optimization method, the signaling interaction process and workflow are as follows figure 2 shown and image 3 shown. Specific steps are as follows:

[0042] A HMIPv6 handover performance optimization method, the specific implementation steps of the method are as follows:

[0043] Step1: In the HMIPv6 network, each AR (Access Router, access router) periodically broadcasts RA (Router Advertisement, proxy routing advertisement) messages in its subnet. When the MN enters the overlapping range of the PAR and NAR networks, RA messages from PAR and NAR will be received;

[0044] Step2: The MN uses the MAP hierarchy list carried in the RA to conduct comparative analysis to find the nearest common root MAP of PAR and NAR. If not found, the standard HMIPv6 protocol is used; if the common root MAP is found, it is compared with ...

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Abstract

The invention discloses a method for optimizing HMIPv6 switching performance. The method adopts the mode of searching a common root node MAP to perform dynamic MAP selection, so as to solve the problems of MAP overload and load balance caused by an MAP with fixed largest selection distance being as forward proxy in an HMIPv6 protocol, particularly too long switching time delay during inter-domainswitching; and simultaneously the method combining a rapid switching mechanism provides a mode of series repetitious address detection to optimize the HMIPv6 switching performance, and particularly the inter-domain switching performance. Besides solving the problems, the method also improves the network flexibility and expansibility.

Description

technical field [0001] The invention relates to the technical field of network communication, in particular to a HMIPv6 switching performance optimization method. Background technique [0002] The Internet Engineering Task Force (IETF, Internet Engineering Task Force) proposed the Mobile IPv6 (MIPv6, Mobility support in IPv6) protocol in June 2004, referred to as RFC3775. This protocol allows mobile nodes (MN, Mobile Node) to connect to any link through a permanent ip address, and to maintain ongoing communication when moving between different networks. RFC3775 pointed out that when the MN leaves the home network and arrives at the foreign network, it temporarily adopts a care-of address (CoA, Care-of Address) in the foreign network, and the MN binds the CoA with the home agent. The data packet will be forwarded to the CoA of the MN by the home agent. However, in the process of switching to a foreign network, there are problems of large switching delay and high packet loss...

Claims

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Application Information

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IPC IPC(8): H04W8/08H04W8/12H04W80/04
Inventor 曹叶文马克勇
Owner SHANDONG UNIV
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