[jboss-dev-forums] [Design of JBoss ESB] - Re: Features of JBoss Messaaging Message Bridge present in E

[timfox]

I concur with dmiley.

Depending on the order in which ESB acknowledges the message from source and sends to destination come in, you will get either an "at most once" or "dups_ok" delivery guarantee.

For a "once and only once" delivery guarantee the ack and the send need to be in the same transaction.

If the source and destination are handled by the same resource manager then that transaction can be a simple local jms tx, otherwise it would need to be a JTA tx.

All the above cases are handled by the JBM bridge. I'm not clear they are handled by the ESB router.

I would consider guaranteed delivery (once and only once) to be a very common requirement for bridging.


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