Telecommunication between mobile nodes and mobile nodes

A technology of mobile nodes and communication methods, applied in the field of network communication, can solve problems such as unfavorable protocol implementation, complex implementation process, and communication delay, and achieve the effects of optimizing the binding update process, optimizing the communication process, and improving communication speed

Inactive Publication Date: 2007-04-04
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0021] It can be seen from the above description that when two mobile nodes leave the home link one after another and communication between the two mobile nodes is required, the two nodes act as both mobile nodes and communication nodes, and the roles are defined differently. Clearly, the relationship between each other is complicated, which is not conducive to the implementation of the agreement
When two mobile nodes are on the foreign link and use mode 3 to communicate, the data packets have to pass through the home agents of the two mobile nodes successively. The implementation process is more complicated and it is easy to cause communication delay.
When two mobile nodes are on foreign links and communicate in mode 4, the establishment process of the care-of address binding relationship between the two mobile nodes is relatively complicated, which may easily lead to delay and packet loss

Method used

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  • Telecommunication between mobile nodes and mobile nodes

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Embodiment Construction

[0052] The core of the present invention is: two mobile nodes that need to communicate transmit the change information of the care-of address to each other when their respective care-of addresses are in a changing state, and one of the mobile nodes is used as a mobile communication node, and the mobile communication node and the mobile Data packets are transmitted between nodes through their respective received care-of addresses.

[0053] The technical solution provided by the present invention will be further described below based on the core idea of ​​the present invention.

[0054] When the care-of address of two mobile nodes that need to communicate is in a state of change, they not only need to notify the peer mobile node of the change information of their care-of address in time, but also need to perform role assignment, that is, one of the mobile nodes takes the role of a communication node to communicate with the other mobile node. One mobile node communicates, and in ...

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Abstract

The key ideal of the method is: when the care of addresses of two mobile nodes are respectively at variation state, the two nodes transmit the variation information each other and take one of the two nodes as mobile communication node; the communication node makes packet transmission with the mobile node by using the variation information of care of addresses received by each of them.

Description

technical field [0001] The invention relates to the technical field of network communication, in particular to a communication method between mobile nodes and the mobile node. Background technique [0002] The basic design requirement of mobile IP is: when a node moves in the network, it can maintain the reachability with other nodes. Mobile IPv6 defines three basic communication entities, namely mobile node, home agent and communication node. The mobile node always identifies itself with its home address. When the mobile node is on the home link, it works exactly the same as the fixed node. When the mobile node roams to the foreign link, it needs to automatically obtain the address in a stateless or stateful way. Its care-of address then sends a binding update message to the home agent to register its care-of address, and the mobile node can also send a binding update message to the correspondent node to register its care-of address. [0003] Mobile IPv6 defines two commu...

Claims

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Application Information

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IPC IPC(8): H04Q7/38H04L29/06H04W8/08H04W80/04
CPCH04W80/04H04W8/082
Inventor 马宇智
Owner HUAWEI TECH CO LTD
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