关键词: 强实时 高可靠性 热备系统 心跳信息 背景数据

Abstract:

There are many practical applications with the requirements of hard real-time and high availability, in military, aeronautics and astronautics, bank,  weather processing and electronic commerce. Focusing on the requirements of hard real-tlme, how to check system faults, and how to combine practical app  lications with high-reliability techniques smoothly axe the key problems. A MC-based design of a high-reliability application system, which meets the re  quirements of hard real-time, is proposed in the paper. It emphasizes adaptive heartbeat message detection, dual-software design and background data syn chronization, and demonstrates how to apply the high-reliability system.

Key words: hard real-time, high reliability, hot-standby system, heartbeat message, background data