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Subject: RE: TRP Work Plan - Version 17 Aug 00
David, You are stating a goal for our Headers here. Did we ever agree to this goal, i.e., all info necessary for message exchange be contained in the Header? I'm not saying this is a bad goal, but if we are not all singing from the same book, we may not agree. I believe Gordon pictures some additional info being conveyed in the parameters of the API, be it real of conceptual. Personally, I rather like this goal as it severly constrains the API parameters to be trivial. Henry ------------------------------------------- At 12:50 PM 08/22/2000 -0700, David Burdett wrote: >Gordon > >I agree that awareness of the Interface is a benefit. I disagree that >"implementations of the wire protocol will require semantic knowledge that >is not imparted stricly from the fields in the header". > >If we can't fully define, in our spec, the meaning or semantics behind ... >1. each field in the header >2. the meanings implied when these fields occur in combination within a >header >3. the meanings implied when messages (e.g. a normal message and it's ack) >are received in a specific sequence > >... then, IMO, we are not doing our job properly. > >If we REQUIRE that particular type of interface is used to make an ebXML >Messaging Service Spec work, then we are creating an additional barrier to >its use. > >David > >-----Original Message----- >From: Gordon van Huizen [mailto:gvanhuiz@progress.com] >Sent: Tuesday, August 22, 2000 4:07 AM >To: David Burdett >Cc: 'mwsachs@us.ibm.com'; 'Jim Hughes'; ebxml transport >Subject: Re: TRP Work Plan - Version 17 Aug 00 > > > > >David Burdett wrote: >> I think it should be possible for two parties communicating using the TRP >> spec to achieve COMPLETE interoperability without implementing ANY of the >> Interface spec - i.e. conformance to the wire protocol alone should >suffice. >> Do you agree? > >My assertion would be that successfully achieving interoperable >implementations of the wire protocol will require semantic knowledge >that is not imparted stricly from the fields in the header themselves >and can benefit from awareness of the Interface. But that's just a >hunch, since we aren't "there" yet. Regardless, the two levels must be >kept in synch for a developer to stand a chance of implementation, as >well as for us to actually get the spec work done. Witness the deltas >that are appearing elsewhere. > >-gvh-
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