Thanks Samed. Perhaps the question may not be clear and sorry about that. What I'm looking for is an option to scale the solution to multi site configuration where two different sites located in different geographical locations to be able to maintain data in sync. Currently I'm using synchronous streaming replication and one option I've evaluated is cascading replication. -- View this message in context: http://www.postgresql-archive.org/Postgres-Replication-tp5949678p5950172.html Sent from the PostgreSQL - admin mailing list archive at Nabble.com. -- Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin