Double Engine Hot Standby
double engine hot-standby
dual-computer hot-standby high-availability system
dual-server hot-standby
dual-system hot-standby
hot standby
磁盘阵列
双机通信
双机热备
热备份
热备用
热备
热备件
热待命
双机热备份
热停备
Hot standby dual machine
hot standby for dual-cluster
hot standby router protocol
Hot Standby Routing Protocol