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Method and apparatus for selecting router

A routing and device technology, applied in the field of network communication, can solve problems such as the inability to quickly restore traffic, and achieve the effect of quickly restoring traffic

Inactive Publication Date: 2007-11-21
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The embodiment of the present invention provides a routing selection method and equipment to solve the prob

Method used

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  • Method and apparatus for selecting router
  • Method and apparatus for selecting router
  • Method and apparatus for selecting router

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Embodiment Construction

[0039] Further details will be given below in conjunction with the accompanying drawings and specific embodiments.

[0040] The embodiment of the present invention detects the route from the multicast receiving device to the multicast source by sending a detection message. When a fault occurs in the route, it switches to a new equivalent route for detection in time until a fault-free route is found, thereby To achieve the purpose of quickly recovering multicast traffic.

[0041] As shown in Figure 2, Figure 2 is a flow chart of a method for routing selection in an embodiment of the present invention, the method includes the following steps:

[0042] Step S201, sending a detection message to the destination address through the currently used route to the destination address to detect whether the route fails.

[0043] In the embodiment of the present invention, the device represented by the destination address is the multicast source. The network device connected to the multic...

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PUM

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Abstract

The method comprises: sending a detection message to the destination address via the current-used route to decide if the route goes out of order; if yes, reselecting a route from the equivalent routes of the destination address. The invention also reveals a route selecting apparatus.

Description

technical field [0001] The present invention relates to the technical field of network communication, in particular to a routing selection method and equipment. Background technique [0002] Multicast is a common data distribution technology in the existing network communication technology field. IP (Internet Protocol, Internet Protocol) multicast refers to sending data packets to a certain node in the network in the form of best-effort transmission in the IP network. This subset of nodes is also called a multicast group. The basic idea of ​​multicast is that the multicast source only sends one piece of data, the destination address in this data is the multicast group address, and all receivers in the multicast group All can receive the same data copy, and only the members of the multicast group can receive the multicast data. [0003] The standard of the multicast routing protocol stipulates that if the multicast receiving device has multiple equal-cost routes in the route...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L12/26H04L45/28
Inventor 沈岭
Owner NEW H3C TECH CO LTD