Hi there,
I would only like to stress that the only supported (and recommended) replication solution in MySQL is
Master--->Slave  replication.
In this scenario you can have ONLY one master and (virtually) any number of slaves.
There is NO other safe replication solution.
The terms you mention seems to refer to the same solution, where you have two servers each acting as a master: this is a non standard dangerous scenario in MySQL and requires application logic awareness.

Hope to have brought a little light in your mind

Cheers
Claudio



Vikram Vaswani wrote:
Hi

I'm new to replication and looking through some docs on how to use it. Could
someone please tell me if the following terms mean the same thing or, if
not, what is the difference:

master-master replication
dual-master replication
bidirectional replication

TIA
-BT



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