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Method for increasing mobile IPv4 other place agent transmission property

A foreign agent and performance technology, applied in the field of network communication, can solve problems such as inability to process, waste of system resources, etc., to achieve the effect of improving forwarding performance, improving processing performance, and avoiding the ARP search process

Inactive Publication Date: 2008-09-24
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Cannot be processed according to the state machine of ARP
But in fact, the MAC address information of the required mobile node has been saved in the corresponding entry in the access list of the foreign agent. In this way, if the corresponding ARP entry is only maintained for MAC address resolution, unnecessary processing will be caused process, a waste of system resources

Method used

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  • Method for increasing mobile IPv4 other place agent transmission property
  • Method for increasing mobile IPv4 other place agent transmission property

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Embodiment Construction

[0028] In the prior art, the purpose of adding the MAC address information of the mobile node to the ARP table is nothing more than to facilitate the acquisition of the MAC address of the mobile node. However, the MAC address of the corresponding mobile node has actually been saved in the access list of the foreign agent. Therefore, it may be considered not to add corresponding entries in ARP. Instead, use the MAC information in the access list directly.

[0029] Therefore, the core of the present invention is that the foreign agent no longer maintains the corresponding ARP entry for the registered mobile node, and when it needs to obtain its MAC address information, it can be obtained by querying the access list on the foreign agent. This saves one ARP entry lookup process and avoids maintaining entries in the ARP table that require special processing.

[0030] The specific implementation of the method of the present invention is as follows figure 2 As shown, it specifica...

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Abstract

The method includes main contents: ARP list item corresponding to registered mobile node is no longer maintained on outland agents; when requiring to obtain MAC address information of mobile node, outland agents obtain MAC address information through querying access list. Since ARP list item is no longer maintained on outland agents, and procedure for searching ARP is avoided, thus, time needed for registering procedure is shortened effectively. Moreover, one procedure for searching ARP is avoided for mobile IPv4 message so as to raise forwarding performance. Reduction of ARP list item increases performance for processing two-layer lookup for other message by router.

Description

technical field [0001] The invention relates to the technical field of network communication, in particular to a method for improving the forwarding performance of a mobile IPv4 foreign agent. Background technique [0002] Mobile IPv4 is a mobile communication protocol. Based on this protocol, the mobile node moving between IP networks can ensure that the existing connection is not interrupted under the condition that the same IP address is always used, and there is no need to consider the current access point of the mobile node. . [0003] Among them, the group structure of the mobile IPv4 network is as follows: figure 1 As shown, it mainly includes a mobile node, a home agent, a foreign agent and a communication node, which will be described separately below. [0004] The mobile node is a node in a mobile IP network that moves from one access point to other access points in other networks, but can always use the same home address for communication. [0005] The home age...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/56H04L29/06H04L45/74
Inventor 凯沙瓦·埃努纬卡斯·郭尔阿恰娜阿荣·哈拉维
Owner HUAWEI TECH CO LTD