【摘要】 高可靠性作为通信设备向用户提供的产品保证正越来越受到重视,成为必不可少的条件之一,而主备切换是双机系统实现高可靠性的一种可行技术。文章主要从软件系统设计方面主备切换的具体实现方案,功能模块的划分以及相应的数据结构方面进行了综合讨论,为类似设计提供了参考。更多还原

【Abstract】 High reliability is attached importance more and more as a product guarantee to the user supplied by the communication equipment,and it has become an absolutely necessary term,active-standby switch is a workable technology for carrying out high reliability of the embed system.The paper mostly introduces the application design and functional model of the active-standby switch along with relational data structure from software system design aspect for similar application.更多还原