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Re: REST wrap-up (was Re: Web Services Architecture Document

From: Mark Baker <distobj@acm.org>
Date: Sun, 8 Feb 2004 21:28:13 -0500
To: Jim Webber <Jim.Webber@newcastle.ac.uk>
Cc: www-ws-arch@w3.org
Message-ID: <20040208212813.E27555@www.markbaker.ca>


On Mon, Feb 09, 2004 at 01:24:05AM -0000, Jim Webber wrote:
> > I'll just briefly mention 
> > again, that if you study enough Internet scale systems 
> > (email, Web, instant messaging, even the telephone network), 
> > you'll find that they *ALL* have one thing in common; a 
> > constrained interface derived from an application abstraction 
> > (respectively, an inbox, a resource, a user, and a telephone 
> > line).  I don't believe that's a coincidence.
> You're absolutely right. Web Services has an application abstraction too
> - it's a "(SOAP) message."

A message is not an application abstraction, it's the means by which an
abstraction is utilized.  Using the canonical stock quote example, the
stock is the abstraction (the thing with the interface), and the
messages manipulate that abstraction using that interface.

Mark Baker.   Ottawa, Ontario, CANADA.        http://www.markbaker.ca
Received on Sunday, 8 February 2004 21:28:38 UTC

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