Synchronous failover availability comes in two types: specialized HA software and synchronous replication.
同步故障转移可用性有两种类型：专门化的HA软件和同步复制。
2
Article Two the regulation is applicable to the replication of software carried by all kinds of devices which are provided to the public by way of selling, renting or licensing.
第二条本办法适用于以出售、出租、许可等方式向公众提供的存储在各种载体上的计算机软件的复制品。
3
Database replicationsoftware, based on a group messaging layer.