[rabbitmq-discuss] Exactly Once Delivery

[Martin Sustrik]

Alexis Richardson wrote:

>> Quantum mechanics may offer a way to avoid messages ever being lost, but
>> I suspect that's probably not going to be sorted out in time for
>> RabbitMQ 3.0.
> 
> This would be renamed QbitMQ.  Delivery would be determined by opening
> a box.  No bunnies would be harmed in this experiment.

Even better:

If message is missing, try to guess what was that the sender intended to 
send. Deliver it to the receiver. If it turns out later on that the 
guess was incorrect, cancel the transaction. Additional advantage is 
that you can get negative latencies this way.

Martin