Originally posted by kgb
Hi,
I just have a two options: Standby server or Multimaster replication system.

What is preferable?
I don't see any compatibility in this two options! You are comparing apples and bannanas. In multimaster replication both databases are active, transactions are executed on both sites and are replicated to the other site.

On the other hand, in standby configuration only one database is active, the other one is in constant recovery mode, hence can't be used at all. You can temporaryly open the standby database in read only mode, but while being able to read from database in this mode the changes from the other database are not applied to it while in read-only open mode.

Again, the functionality and the purpose of this two concepts are totaly different and can't be compared in terms "one or the other" for any situaton.