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

It's a expensive technology .

There is no proper training course available online for free like others . The set up and maintenance is pretty complex and hard . Some issues are experienced during upgradation and recovery time . Review collected by and hosted on G2.com.