分布式网络冗余技术对高可用性网络的贡献  

Contribution of Distributed Network Redundancy Technology to High Availability Network

作　　者：薛百华 

机构地区：[1]北京东土科技股份有限公司,北京市100041

出　　处：《仪器仪表标准化与计量》2011年第1期31-33,48,共4页Instrument Standardization & Metrology

摘　　要：本文介绍了分布式网络冗余协议制订的背景,分析了固定根节点的快速冗余技术和快速生成树协议组成工业控制网络的缺点和网络维护原理,并重点描述分布式网络冗余协议定义的报文类型、克服固定根节点的快速冗余技术和快速生成树协议的不足之处的实现过程和对高可用性网络的贡献。最后简述了分布式网络冗余协议目前的应用和未来的发展方向。The paper introduces the background of distributed network redundancy protocol,analyzes the fast redundancy technology of fixed root nodes,the disadvantages of utilizing RSTP protocol to constitute industrial control network and the principles of network maintenance.It describes in detail the types of messages defined by distributed network redundancy protocol,how to overcome the disadvantages of fast redundancy technology of fixed root nodes and RSTP protocol and their distribution to high availability network.Finally,the paper gives a brief introduction to the application and the development of distributed network redundancy protocol in the future.

关 键 词：DRP 环网冗余 宏周期 高可用性 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]