And servers adopt transaction replication, which reflects promptly the data changed to subscribe servers and meet real-time synchronization of the data.

同时服务器之间采取事务复制技术，及时将集中更改的数据反映到各订阅服务器，满足了数据的及时同步。

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But depending on your transaction rate, off-site replication may be limited by the available bandwidth, and even by distance.

FORBES: Disaster Recovery in the Cloud