Method for increasing hometown agent message retransmission property in mobile IP network

A home agent, IP network technology, applied in the field of improving the packet forwarding performance of the home agent in the mobile IP network, can solve the problems of reducing the packet forwarding performance of the mobile node, and achieve the improvement of the packet forwarding performance, reducing the transparent transmission process, improving the performance effect

Inactive Publication Date: 2006-08-09
马德平
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0016] It can be seen that for the message that needs to be forwarded to the mobile node, the home agent needs to perform multiple searches during the forwarding process, which will inevitably reduce the forwarding performance of the home agent for the message sent to the mobile node

Method used

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  • Method for increasing hometown agent message retransmission property in mobile IP network
  • Method for increasing hometown agent message retransmission property in mobile IP network
  • Method for increasing hometown agent message retransmission property in mobile IP network

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Embodiment Construction

[0051] The core idea of ​​the present invention is: when the mobile node registers with the home agent, it will increase the corresponding routing entry in the routing table of the home agent, and the binding cache information of the mobile node is recorded in the entry, so that when the communication When the node sends a message to the mobile node, it can directly determine that the destination address of the message is the home address of the mobile node in the route lookup process, and use the binding cache information corresponding to the home address to perform message forwarding. Forward processing. When the mobile node returns to the home network and cancels the registration with the home agent, the corresponding routing item added during the registration process is also deleted from the routing table.

[0052]That is to say, when the binding cache of the mobile node needs to be created, a corresponding routing entry is added in the routing table. In this way, it can ...

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Abstract

When mobile node registers to home agent, corresponding item of routing list is added to routing list of home agent. The item of routing list records binding buffer information of the mobile node. Thus, when communication node sends message to mobile node, the said message is to be sent to mobile node can be determined directly from procedure of searching route; and using binding buffer information corresponding to the said home address carries out packaging and forwarding process for the message. Thus, no matter whether the received message is sent to mobile node or not, the method can distinguish the message in procedure for searching route of usual forwarding message, without need of carrying out additional search for binding buffer to determine that the message is to be sent to mobile node. The method reduces number of searching binding buffer of message to be sent to mobile node through tunnel effectively so as to raise performance of home agent for forwarding message.

Description

technical field [0001] The invention relates to the technical field of mobile communication, in particular to a method for improving the forwarding performance of home agent messages in a mobile IP network. Background technique [0002] Mobile IP includes Mobile IPv4 and Mobile IPv6. These two protocols can make a mobile node move from a home link to other foreign links without changing the home address of the mobile node, so as to maintain communication. [0003] The networking structure of the mobile IP network is as follows: Figure 1A with Figure 1B as shown, Figure 1A For mobile IPv4 networks, Figure 1B It is a mobile IPv6 network, and the mobile IP network mainly includes a mobile node, a home agent, a foreign agent and a communication node, wherein the foreign agent only exists in the mobile IPv4 network. [0004] After the mobile node changes the network access point, the communication node can still use the home address of the mobile node to communicate with it...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L29/06H04L45/74
Inventor 苏若之·沙题卡沙瓦维卡斯阿恰娜阿荣
Owner 马德平
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