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Subject: RE: [ws-caf] [Bug 135] New: participating-services list needs to have defined semantics and modification mechanisms or be removed
Dear Colleagues, This is not a comment on the rights and wrongs of the participating services element per se, but I would like to make a more general point, which perhaps 'modulates' what Peter says below a little. As Peter noted in a mail sometime ago, many specification only become useful when referenced or used in someway by another specification. This is particularly true of a specification such as WS-Context. Now because it can not stand alone, but only becomes useful when used by some other specification, I think it is quite reasonable for WS-Context to state this and give guidance to the using specification writers on points the need to cover, or beware of. Thus, if this element is retained (and this general principle may apply to other aspects as well), then I think there could be text included in WS-Context along the lines provided by Peter which need to be suitable modified and added into the referencing specification. WS-Context should provide guidance on how to incorporate and on the pros and cons of various options that need to be decided in the using specification. Best Regards Tony A M Fletcher Tel: +44 (0) 1473 729537 Mobile: +44 (0) 7801 948219 amfletcher@iee.org (also tony_fletcher@btopenworld.com) -----Original Message----- From: Furniss, Peter [mailto:Peter.Furniss@choreology.com] Sent: 26 June 2004 23:02 To: Newcomer, Eric; ws-caf@lists.oasis-open.org Subject: RE: [ws-caf] [Bug 135] New: participating-services list needs to have defined semantics and modification mechanisms or be removed ok, but we need to sort out the original question - is the participating-services element fully defined in ws-context, or in another specification. I wasn't sure if your suggestions were referring to context as whole, or context-by-reference as whole, or just to the p-s list. On the p-s list, are we agreeing a) the p-s list is meaningless without additional specification on how it is maintained b) this additional specification is not part of base ws-context document c) therefore the p-s list element should not be in the base context syntax as defined in the schema and possibly d) the p-s list is only useful with context-by-reference I don't think it would be difficult to work up a sound specification to define how the p-s list is maintained with context-by-reference. It would be helpful to have a known use-case, if only to put some sort of boundaries on things. (I was about to include something on this, but I'll make that a separate thread) Or were your suggestions covering context by reference in general, rather than just the p-s list ? That would seem to relate to issue 91 - I'm not sure what the status of that really is, and the text I think is meant to cover it in section 2 is still a bit vague, so I'd be interested clarification there. Peter
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