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RE: Back to Requirements (was RE: Web Service Definition [Was

From: Krishna Sankar <ksankar@cisco.com>
Date: Tue, 5 Mar 2002 22:33:38 -0800
To: <www-ws-arch@w3.org>
Message-ID: <000001c1c4d8$db9b4290$3c877ed8@amer.cisco.com>

	I think I might have been the one to add "interfaces" in the
definition, in one of my amendments
http://lists.w3.org/Archives/Public/www-ws-arch/2002Mar/0071.html as "A
web service is a software application identified by a URI, whose
interfaces and binding are capable of being defined, described &
discovered by XML artifacts and supports direct interactions with other
software applications using XML based messages via internet-based

	Frankly, at that time I hadn't thought thru the significance of
the single interface per URI; my motive was to mean *all* the interfaces
offered by a web service. But if we say web service will have interface
defined by a unique URL, the singular form (interface) might be OK.


 | -----Original Message-----
 | From: www-ws-arch-request@w3.org [mailto:www-ws-arch-request@w3.org]
 | Behalf Of Mark Baker
 | Sent: Tuesday, March 05, 2002 10:04 PM
 | To: "Cutler, Roger (RogerCutler)"
 | Cc: chris.ferris@sun.com; www-ws-arch@w3.org
 | Subject: Re: Back to Requirements (was RE: Web Service Definition
 | > Why is it critical that a web service have only one interface?  I
 | know
 | > of any mechanism by which there could be more than one, but what
 | be
 | > the problem with that if someone figured out how to do it?
 | Because the "Web way" to do this is to have a different URI for each
 | interface.  That is, if we had some chunk of software that had both
 | operational interface and an administrative interface, we'd give a
 | to each.  Of course, this design pattern (can't recall the name) has
 | also been used by other component systems in the past, such as COM (I
 | believe).
 | I'm just wondering if this was a case of "why not support multiple
 | interfaces?!", "we definitely need it because ...", or "oops, hit the
 | 's' key". 8-)
 | MB
 | --
 | Mark Baker, Chief Science Officer, Planetfred, Inc.
 | Ottawa, Ontario, CANADA.      mbaker@planetfred.com
 | http://www.markbaker.ca   http://www.planetfred.com
Received on Wednesday, 6 March 2002 01:34:14 UTC

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