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Hi Mike,
Mike Champion wrote:
>
> Message exchange patterns are closely related to the issue of
> "coupling, and this is brought out in the rant against the RPC
> paradigm that someone recently posted a link to
http://www.omnifarious.org/~hopper/technical/corbabad.html
>
I know nothing about CORBA, but I agree with you that the higher success
of protocols over APIs is a coupling issue, and in fact I'd go further
and say it's nothing to do with sync/async. For me, the simple problem
is that an API gives closer coupling between content and transport,
whereas a protocol give looser coupling. Message structures change
independently from transport details, so why link them? That's why I
push document-oriented messaging for business web services.
Francis.
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