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Subject: Re: Collaboration Services (was: Business Service Interface)
The IBM tpaML proposal includes sequencing rules which specify the required order in which each party can issue messages to the other party. This appears to cover a large number of the practical cases. The run-time middleware can verify whether the sequencing rules are being obeyed. At the TP team Face to Face earlier this month, we spoke about developing a more general model such as a event-condition-action state machine for the cases where the tpaML sequencing rules are not sufficient. Regards, Marty ************************************************************************************* Martin W. Sachs IBM T. J. Watson Research Center P. O. B. 704 Yorktown Hts, NY 10598 914-784-7287; IBM tie line 863-7287 Notes address: Martin W Sachs/Watson/IBM Internet address: mwsachs @ us.ibm.com ************************************************************************************* Nikola Stojanovic <nhomest1@twcny.rr.com> on 10/22/2000 12:31:03 PM To: ebxml-tp@lists.ebxml.org cc: "'ebXML-BP@llists.ebxml.org'" <ebXML-BP@lists.ebxml.org> Subject: Re: Collaboration Services (was: Business Service Interface) <Bob Haugen> I also think that in many (if not most) of those cases, the sequence is not managable by sequence numbers or any other document-local rules, but requires interaction with something like actual business objects at one or both ends of the collaboration. ... In other words, sequencing of business collaborations may require collaboration software with some business intelligence, it may not be manageable exclusively by sequence numbers or linked lists. </Bob Haugen> I don't know whether "the sequence" and "sequencing" would be the best terms (I might rather use something like "Temporal constraints between (Economic, Business?) Events"), but I strongly agree with the assertions: "is not manageable by sequence numbers or any other document-local rules" and "it may not be manageable exclusively by sequence numbers or linked lists". Regards, Nikola
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