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Two-way routing network and reliability supporting method

A reliability and routing technology, applied in the field of information network, can solve the problems of high equipment investment, long recovery time, and high cost, and achieve the effects of short recovery time, enhanced reliability, and guaranteed reliability

Active Publication Date: 2010-02-17
ZHENGZHOU SEANET TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The dual-machine hot backup method requires high investment in equipment and dual power supply, which is difficult to meet these conditions in a normal environment; and the cost of physical link backup is relatively high due to the access of more than two links
The cost of logical link backup is low, but logical link backup mainly uses the timeout mechanism to judge the lack of transmission of heartbeat information, and then detect logical link problems, so there is a problem of long recovery time

Method used

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Embodiment

[0034] The method for ensuring the reliability of bidirectional routing is described below in combination with application scenarios. Such as Figure 4 As shown, an application scenario provided by the present invention: Assume that a two-way route is constructed between three areas (A, B, C), and each of these three areas has three servers, which are represented by subscripts 1, 2, and 3 respectively, wherein server 2 is Server 1 is the backup server, and server 3 is the backup server of server 2. In the initial state, assuming that the equipment does not fail, A, B, and C form a two-way route between servers 1, such as Figure 4 shown.

[0035] Below to Figure 4 Based on this, the bidirectional routing reliability guarantee method in this implementation is explained.

[0036] (1) Remote dual-machine backup chain method

[0037] Take site A as an example, where server A1 is the first node, A2 is the backup node of A1, and A3 is the backup node of A2, thus forming a backu...

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Abstract

The invention relates to a two-way routing network and a reliability supporting method. The two-way routing network is formed by a network through two-way routing logical equipment points, each logical equipment point comprises at least three networking computers, and the computers in the logical equipment points form a remote dual-machine backup chain. The reliability supporting method comprisesa method for forming the dual-machine backup chain and a method for recovering the dual-machine backup chain, wherein in the method for forming the dual-machine backup chain, an algorithm is used forforming a sequential collection{a0, a1,etc.,a(n-1), an}, wherein ai is the backup node of ai-1; in the method for recovering the dual-machine backup chain, when a computer of the backup chain fails, the task of the failed computer is completed by the backup calculating equipment of the failed computer actively. The invention can enhance the reliability of nodes, reduce information routing layers and decrease the time of recovery after a fault.

Description

technical field [0001] The invention relates to the technical field of information networks, in particular to a two-way routing network and a reliability guarantee method thereof. Background technique [0002] In the Internet composed of computers, data routing is done by routers at the third layer of the ISO OSI reference model. In this network, the reliability of routing depends on two factors: routers and network connections between routers. The reliability in the three-tier network is achieved through two methods: (1) to enhance the reliability of the router, usually using dual-machine hot backup of the router; (2) to enhance the reliability of the link, here are two methods : a. Physical link backup; b. Logical link backup. With the increasing expansion of the Internet and the exposure of the defects of the IP protocol, people find it very difficult to realize innovation under the existing architecture, so an overlapping network architecture based on the existing IP pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24H04L1/22
Inventor 王劲林王玲芳尤佳莉邓浩江
Owner ZHENGZHOU SEANET TECH CO LTD