摘要
对双网和双机热备的控制策略和逻辑进行说明。双网控制没有采用传统的主备方式,而是同时在两个网络上进行相同的信息传递,由节点的中间层软件对网络报文进行处理,无需切换。提高了效率,双机热备在双网络的基础上,通过冗余心跳信号进行双方主备状态的监视和管理,并对双机存在的信息孤岛问题提出了对应的解决方案。
This paper mainly introduces the control strategy and logic of dual-network and dual hotstandby system. The traditional master-backup control method has not been used for dual-network,but the same information is transmitted on the two networks at the same time, and the middle layer software of network node equipment is responsible for parsing messages. This dual-network structure does not need switching, and improves efficiency. On the basis of dual-network, dual hot-standby system monitors and manages the active and backup status through the heartbeat signals. This paper also provides a solution to the information island problem which exists in hot-standby system.
作者
王涛
Wang Tao(Shandong CRRC HITACHI Railway Signal&Communication Co.,Ltd.,Qingdao 266000,China)
出处
《铁路通信信号工程技术》
2022年第1期12-15,23,共5页
Railway Signalling & Communication Engineering
关键词
冗余
双机热备
双网控制
ATS
redundancy
dual hot-standby
dual-network control
ATS
