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Subject: Suggestion about metamodel
Hi Jim, and others who have studied the current BP metamodel: I would like to suggest that we move the "BusinessProcessActivityModel" modeling element out of the BOM and into the BOV. To me the BusinessProcessActivityModel and its set of Business Tasks are the logical first level of the BOV, i.e. the place where you define your business process as a set of steps, where each step then gets represented as a BusinessCollaborationProtocol. So I think I am suggesting two things at once. The first is merely a presentation aspect. By moving the BusinessProcessActivityModel out of the BOM, the BOM more clearly focuses only on the categorization of business processes and the mapping of their mutual transition to each other. By moving BusinessProcessActivityModel to the BOV you more clearly see all the layers minimally required to define the flow of a single business process. The second part of my suggestion has more impact. I am suggesting that the BusinessTasks within a BusinessProcessActivityModel map directly to a BusinessCollaborationProtocol, rather than via a BusinessCollaborationUseCase. This would be much simpler for modeling the business process sequence top to bottom. I realize the impacts in that then we need a better place to tie in the REA model. I would suggest that that, too, could be at BusinessCollaborationProtocol level. We have been discussing a good reification approach for the REA anyway. I also realize that there are other attributes of BusinessCollaborationUseCase that need to be carried forward to the BOV level, and if my suggestion is to work, we need to address those as well. The main thrust of this proposal is to be able to define a business process sequenc in terms of: BusinessProcessActivityModel-->BusinessCollaborationProtocol-->CommercialTransac tion instead of the current BusinessProcessActivityModel-->BusinessCollaborationUseCase-->BusinessCollaborat ionProtocol-->CommercialTransaction What do other people think? -karsten --------------------------------------------------- Karsten Riemer, Director, Information Architecture, Enterprise Management Architecture Group Sun Microsystems Inc., MailStop UBUR03-313 1 Network Drive, Burlington, MA 01803-0903 ph. 781-442-2679 fax 781-442-1599 e-mail karsten.riemer@sun.com
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