高速数据交换系统双机热备份的设计实现

The Research and Realization of Duplex Server and Information with a Duplicate Copy in Communication System

文章研究了通信系统双机热备份要实现的目标、技术机制和不同技术机制的应用场合。并结合实际系统设计，着重阐述了通信系统基于主备用方式的双机热备份技术及其实现，描述了导致双机切换的条件以及各工作模式下的状态演变。

： This paper researches the achieved target，technology mechanism and application of duplex server and information with a duplicate copy in communication system．Associated with practical design，technology and implement based on master－slave is set forth，as well as condition and evolvement of master－slave switching．