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RE: service / agent terminology

From: David Orchard <dorchard@bea.com>
Date: Sun, 23 Feb 2003 17:49:03 -0800
To: <www-ws-arch@w3.org>
Message-ID: <036a01c2dba6$e90e5580$f10ba8c0@beasys.com>

Quick question:

Given that WSDL can describe a URI and a GET binding, if a browser sends
"out" a GET URI, is it a Web service?

Dave

> -----Original Message-----
> From: www-ws-arch-request@w3.org [mailto:www-ws-arch-request@w3.org]On
> Behalf Of Scott Vorthmann
> Sent: Thursday, February 20, 2003 2:23 PM
> To: www-ws-arch@w3.org
> Subject: service / agent terminology
>
>
>
>
> I'm somewhat concerned about the direction of today's
> discussion of terminology.
>
> I agree with David B that there's a lot of baggage around
> "service" as a provider.  However, that baggage is not
> imposed by abstract WSDL... rather it accrues by the common
> usage of request-reply as the prevalent operation signature.
> I'd like to lose the baggage.
>
> WSDL got many things "right", in my view, and the inclusion
> of "out" and "out-in" operation signatures is one of them.
> This lets me define an entity that has a clear boundary of
> identifiable, typed communication endpoints... I'd like to
> call that entity a service, even if its only interaction with
> the outside world is periodic publishing of time and temp (on
> an appropriate transport).
>
> Providing a service need not imply reactive communication...
> services can be proactive as well.  This means that
> "provider" need not imply "responder".
>
> HTTP tunnel-vision has made a similar discussion on the
> Description group somewhat long and animated, apparently.  I
> think we have a great opportunity to define an architecture
> that extends beyond existing Web transport protocols to
> communation protocols in general.  (Will I now be skewered by
> REST proponents?)  I hope our charter does not preclude that.
>
> Scott
> --
> Scott Vorthmann                    mailto:scottv@tibco.com
> Senior Architect                     mailto:scottv1@imcingular.com
>                                               office: 919 969 6513
> TIBCO Extensibility                  mobile: 919 593 2349
> TIBCO Software, Inc.               http://www.tibco.com
>
>
Received on Sunday, 23 February 2003 20:53:49 GMT

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