IBM infosphere data replication - Q replication on of the best data replication technology in the market. It allows read and write on every node. Real-time data sync. Good documentation of errors and problem scenarios is available online, that too free of cost. Review collected by and hosted on G2.com.

It's an expensive technology. There is no proper training course available online for free like others. The setup and maintenance is pretty complex and hard. Some issues are experienced during upgrading and recovery time. Review collected by and hosted on G2.com.