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RE: Fw: Naming a Web service resource

From: Ugo Corda <UCorda@SeeBeyond.com>
Date: Mon, 7 Jul 2003 18:12:57 -0700
Message-ID: <EDDE2977F3D216428E903370E3EBDDC908122A@MAIL01.stc.com>
To: "Anne Thomas Manes" <anne@manes.net>, "Www-Ws-Arch@W3. Org" <www-ws-arch@w3.org>, "Paul Denning" <pauld@mitre.org>

> So let's look at Paul's example: What is the URI that repesents the UDDI
> Business Registry (UBR)? The UBR is a Web service. It just so happens that
> there are four nodes in this Web service, but regardless which node you
> access, you will always get the same response from any one of these four
> nodes. So the four nodes do in fact represent a single Web service.

The UBR example is interesting because the four nodes do not always represent the same information, because of replication latency. So there are some times (during a latency period) when the same request gets different responses when applied to different nodes, revealing an internal behavior not fully expressed by the simple service URI.

So I find Frank's approach more satisfying in that respect, because it would allow me to describe this particular semantics in a way that cannot be fully accounted for by the service URI.

I suspect there are many Web services that might first look easily describable via a service URI but, when examined more carefully, reveal special application-specific semantics that cannot be adequately captured by the concept of service URI.

Received on Monday, 7 July 2003 21:18:39 UTC

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