[graap-wg] updated draft - composability
Jon MacLaren
maclaren at cct.lsu.edu
Tue Apr 5 11:38:06 CDT 2005
On Apr 5, 2005, at 5:32 AM, Karl Czajkowski wrote:
> On Apr 04, Jon MacLaren loaded a tape reading:
>> ....
>> S1.1.1 - P6 - Composability with negotiation models. I never
>> understood this either. How would you "base" a negotiation protocol
>> which required some sort of lengthy interaction on WS-Agreement? I
>> wondered if this just meant that the document format would be used,
>> and
>> that a different, unrelated messaging protocol would be used. I'd
>> love
>> to see an example of what this means.
>>
>
> I think that is right, at least in the sense that the AgreementFactory
> messages would not come into play. I do think that an Agreement could
> appear (or disappear) as a result of this external protocol, so that
> introspection based on WS-Agreement could happen. Whether this makes
> sense or not would require a judgement call that is hard to make in
> the abstract...
Ok, so that's not what people mean when they say composability, so this
should definitely be clarified in the spec. It's just that someone
could "base a negotiation protocol on the WS-Agreement document
format". This is a much less bold claim - but it's probably about as
far as you can realistically go.
As I said in one of my public comments (which has been decided against)
- the document format is useful on its own and should appear in a
separate spec.
I really think that there are too many different things for this to be
one document.
> karl
>
> --
> Karl Czajkowski
> karlcz at univa.com
Jon.
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