Practical system-level redundant communication network architecture

Abstract

The invention discloses practical system-level redundant communication network architecture. Switches of a backbone network of the network architecture adopt a VSS (Virtual Switching System) technology to realize redundancy, two mutually redundant network switches are equivalent to virtual machines and have the same IP (Internet Protocol) address, so that fault switching can be realized in the shorter time; when the virtual switches carry out data communication, IP switching and judgment of the switches are not needed, so that occupation of resources, such as a CPU (Central Processing Unit) and an internal storage, can be effectively reduced; in addition, the network topology is simplified from the logical level through the VSS technology, and the mutually redundant network switches share one gateway address, so that loop-less communication is realized and the reliability of a communication network system can be effectively improved; an optical fiber for connecting a front-end switch and a back-end switch of the backbone network adopts a GEC (Gigabit Ethemet Channel) technology to bind one Ethernet channel, so that the data transmission bandwidth of the communication network can be effectively widened and the information throughput rate can be improved, and thus the propagation delay for front-end communication and back-end communication is reduced.

Description

technical field [0001] The invention relates to the technical field of network communication, in particular to a practical system-level redundant communication network architecture, which is used to realize the network communication of the launch vehicle ground distance measurement, launch and control platform system. Background technique [0002] As an important part of the ground test launch control system, the new generation launch vehicle master control network system is responsible for the network interconnection of rocket ground test launch control equipment, test information sharing, status monitoring, test process control, and provides fault diagnosis for test and launch. The general control network system applies computer technology, network technology and information processing technology to the launch vehicle test and launch. On the basis of realizing the remote information exchange of each system, it realizes the ground test launch control system through unified c...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the deficiencies of the prior art, and propose a practical system-level redundant communication network architecture, in which backbone network switches, access switches, test equipment network cards and transmission links all adopt redundant designs , which can solve the communication system failure problem caused by single point failure of network switches, network cables, network cards and other equipment and components, and can greatly improve the reliability of the test and control network system

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