[rabbitmq-discuss] AMQP v0-9

Robert Godfrey rob.j.godfrey at gmail.com
Thu Aug 23 21:03:04 BST 2007

My feeling is that any broker that supports 0-9 (non-WIP) should be able to
also trivially support 0-8... So as long as our broker and client code
follow the spec on how to negotiate version then we should be able to get
interoperability.  In Qpid the Java simply didn't move forward to 0-9 (non
WIP) as there wasn't a demand...  A lot of work was done on the C++ side for
the 0-9 WIP proposals, but these have been superceded by the 0-10

-- Rob

On 23/08/07, Matthias Radestock <matthias at lshift.net> wrote:
> Martin,
> Martin Sustrik wrote:
> > We've had OpenAMQ/RabbitMQ compatibility issue raised once more on
> > OpenAMQ mailing list:
> > [...]
> > We've had discussion about this issue some time ago and at that point it
> > was unclear whether you are going to support 0-9 version of the
> > protocol. Was there any decision made meanwhile?
> I am trying to figure out how to best get RabbitMQ to interop with both
> Qpid and OpenAMQ. As you may have seen from the other messages, we've
> made some tweaks to get interop with Qpid M1 to work, and will release
> those shortly.
> The question is, if we move RabbitMQ to 0-9 in order to get interop with
> OpenAMQ, how do we maintain interop with Qpid?
> Are we going to have to have code that supports both 0-8 and 0-9 and
> picks the right one during connection negotiation? That is certainly
> possible, but it is quite a bit of work that I'd rather avoid.
> Matthias.
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