[rabbitmq-discuss] Acks versus Publisher confirms

Matthew Sackman matthew at rabbitmq.com
Tue May 10 11:08:43 BST 2011

On Tue, May 10, 2011 at 03:01:48AM -0700, Simone wrote:
> With strongest delivery warranty I mean to make sure that once a message has 
> been published by a publisher it is going to reach all of the consumers 
> supposed to be receiving it.

You can't assert that, because when you publish, you have no way of
asserting which queues the msg can end up in, and even less so which
consumers receive said msg (or when).

The only things you can control is which exchange(s) the msg goes to,
and, if you use the mandatory flag, a notification of whether the msg
made it to any queues or none.


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