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Subject: Re: [ws-tx] Issue 030 - 2 proposed resolutions
Is there a reason why we can't combine some aspects of 1 and 2? Specifically, the concept of faults as terminal messages from option 2 into option 1? At this point I don't see why the use of wsa:ReplyTo or wsa:From has any impact on how we treat fault messages: I think we've already agreed that we mean Application Messages That Convey Application Error/Fault Conditions and not the usual SOAP faults, which is why wsa:FaultTo probably doesn't make sense. But it seems that with that in mind, the classification of faults as terminal application messages/notifications can be done irrespective of whether we subsequently use wsa:ReplyTo or wsa:From. I had to drop off the end of the last call, so maybe I missed something relevant? Mark. Ian Robinson wrote: > > > Max and I have been working on some options for resolving issue 030 [1]. > There has been a lot of good discussion on this issue already; we have > suggested 2 (different) concrete resolutions that we can discuss on the > call. > Proposal 1 is closer to the status quo; it retains the use of the > wsa:ReplyTo MAP for non-terminal notifications but adds a requirement for > terminal notifications to set wsa:ReplyTo to 'None'. > > Proposal 2 replaces wsa:ReplyTo with wsa:From to further emphasize that > protocol message are never replies. This proposal also classifies WS-TX > "faults" raised during the agreement protocols (e.g. 2PC) as terminal > notification messages. > > Proposal 1 (Issue30_Propsal_1_WSAT.doc) (See attached file: > Issue30_Proposal_1__WSAT.doc) > > > Proposal 2 (Issue30_Propsal_2_WSAT.doc) (See attached file: > Issue30_Proposal_2__WSAT.doc) > > For either of these proposals, we believe WS-Coordination simply needs to > remove text that is already stated in WS-Addressing: > > (See attached file: Issue30_Proposal__WSCOOR.doc) > > [1] http://docs.oasis-open.org/ws-tx/issues/WSTransactionIssues.xml#i030 > > Regards, > Ian Robinson > STSM, WebSphere Messaging and Transactions Architect > IBM Hursley Lab, UK > ian_robinson@uk.ibm.com
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