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Subject: RE: [ws-caf] WS-Resource Framework

The specs and presentations can be found at:




BTW… they are trying hard to persuade people here at GlobusWORLD that the use of WS-Addressing to identify a “stateful resource” (a resource whose state can be represented as an XML document) is not the same as the use of context in the case of WS-AtomicTransaction. Personally, I can’t see the difference. They are both ways to do message correlation and achieve stateful interactions. The difference I see is that WS-Resource is a way to reason about distributed objects.


Now, whether people are going to start building loosely-coupled, large-scale applications around the concept of a stateful resource with a coupled identity (WS-Address + local identifier) and a coupled interface (the interface of the Web Service identified by the first part of the WS-Address) that will have to be decided. Personally, I think it still looks like distributed objects but the IBM folks over here assure me that they are not doing objects and are truly service-oriented. People here may disagree with me. I guess only time will tell whether this approach has any benefits.


In their presentations, they are making the following distinctions (I am not going to comment for now… I’ll leave this up to you):

- “A truly stateless service” (the set of operations that identify a Web service)

- “A conversational service”

- “A stateless service that acts upon stateful resources”


Best regards,

Savas Parastatidis
http://savas.parastatidis.name (now blogging)

From: Jean-Jacques Dubray [mailto:jeanjadu@Attachmate.com]
Sent: Thursday, January 22, 2004 6:07 AM
To: ws-caf@lists.oasis-open.org
Subject: [ws-caf] WS-Resource Framework


Yet another context management specification from IBM et al: http://www.marketwire.com/mw/release_html_b1?release_id=61977



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