[openstack-dev] [oslo]: implementing olso.messaging over amqp 1.0

Gordon Sim gsim at redhat.com
Mon Dec 16 17:14:18 UTC 2013

On 12/16/2013 10:37 AM, Gordon Sim wrote:
> On 12/12/2013 02:14 PM, Flavio Percoco wrote:
>> I've a draft in my head of how the amqp 1.0 driver could be
>> implemented and how to map the current expectations of the messaging
>> layer to the new protocol.
>> I think a separate thread to discuss this mapping is worth it. There
>> are some critical areas that definitely need more discussion
> I have also been looking at this, and trying to write up a simple design
> notes. Some of the questions that occurred to me while doing so are:
> * Use one link for all sends, with 'to' field set, or use a link for
> each target?
> * How to handle calls to one of a group of servers?
> * Use a distinct response address per request, or allow an address to be
> shared by multiple requests in conjunction with correlation id on
> responses?
> * Support both intermediated and direct communication? For all patterns?
> The aim in my view should be to have the driver support as many
> alternatives in deployment as possible without overcomplicating things,
> distorting the mapping or introducing server specific extensions.
> I have some notes to share if anyone is interested. I can send them to
> this list or put them upon the wiki or an etherpad or something.

I've pasted these into an etherpad[1] for anyone interested. Please feel 
free to edit/augment etc, or even to query anything on this list. It's 
really just an initial draft to get the ball rolling.


[1] https://etherpad.openstack.org/p/olso.messaging_amqp_1.0

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