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Method for realizing neighbour discovery

A technology of neighbor discovery and implementation method, applied in the field of data communication, can solve problems such as running performance problems, loss of normal user packets, etc., to achieve the effect of facilitating processing and avoiding insufficient performance

Inactive Publication Date: 2006-11-08
HUAWEI TECH CO LTD
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Problems solved by technology

[0013] The technical problem to be solved by the present invention is to propose a method for implementing neighbor discovery, which is used to solve the problems caused by software implementation of neighbor discovery processing when routers access non-broadcast multipoint access networks to realize mutual communication between terminal devices. Performance issues, and the problem of loss of normal user packets caused by flow control of Neighbor Discovery Protocol packets sent to the software for processing

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  • Method for realizing neighbour discovery
  • Method for realizing neighbour discovery
  • Method for realizing neighbour discovery

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Embodiment Construction

[0044] The preferred embodiments of the present invention will be described in detail below according to the accompanying drawings.

[0045] Such as image 3 Said, the implementation method of the neighbor discovery agent of the present invention mainly includes the following steps:

[0046] Step 1, preset the interface index corresponding to the neighbor state information corresponding to the IP address in the routing table host route;

[0047] Step 2, receiving a neighbor discovery message;

[0048] Step 3, according to the source IP address and the destination IP address of the neighbor discovery message, look up the interface index corresponding to the source IP address and the destination IP address respectively in the routing table, and obtain the neighbor state corresponding to the source IP address according to the interface index and the neighbor status corresponding to the destination IP address;

[0049] Step 4: Perform neighbor discovery processing on the receiv...

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Abstract

The present invention discloses neighbor discovery implementation method, used for realizing terminal equipment inter communicate in router accessing non-broadcast multipoint access network. It contains presetting corresponded neighbor state interface index in routing list host computer route; receiving neighbor discovery message; according to neighbor discovery message source and target IP address searching corresponded interface index in routing list, and according to interface index obtaining corresponded neighbor state; according to neighbor discovery message source and target IP address and corresponded neighbor state, to make neighbor discovery processing to received neighbor discovery message. The present invention avoids performance insufficient to and regular traffic message lose problem, raising equipment service treatment ability.

Description

technical field [0001] The invention relates to the field of data communication, in particular to a method for realizing neighbor discovery. Background technique [0002] Neighbor Discovery (ND) is a new protocol proposed by the next-generation IPV6 (Internet Protocol Version 6) network to find the link-layer address corresponding to the IP address. It is mainly used in the process of address resolution. [0003] Address resolution is the process of obtaining the link-layer address of the neighbor's non-multicast address, and it is only used for the IP address in the link. When a node within the link range has a unicast packet to send to a neighbor but does not know its link layer address, it starts the address resolution process. [0004] The basic principles of the address resolution process are as follows: [0005] For a node whose interface supports multicast, the node first creates an entry in the neighbor cache, and then sends a Neighbor Solicitation (NS) message con...

Claims

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Application Information

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IPC IPC(8): H04L45/02H04L45/74
Inventor 欧阳伟龙
Owner HUAWEI TECH CO LTD
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