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Subject: RE: Public Comment
I don't think they are competing though the latest draft of BPEL shows almost 100% commitment to B2B rather than private processes. You may want to double check this statement with the BPEL TC directly. There are really three levels to the problem, as I see it Collaboration (OASIS ebBP/BPSS) Choreography (W3C/WS-CDL) Orchestration (OASIS/WS-BEPL) If you look at trivial examples, all those levels are overlapping. If you look at real-world examples all levels are needed. BPSS and WS-CDL can support very complex interactions while BPEL cannot model very efficiently multiparty collaboration because it is taking the point of view of one side. If what you are trying to model is very basic (2 parties you could go with BPEL). The BPSS team is working actively to see if layering is possible on top of WS-CDL. We have started to give some feedback to the WS-CDL team as this spec is in draft mode. Basically, WS-CDL and BPEL does not have any business semantics, nor do they care about state alignment. BPSS offers a "business transaction protocol" that supports non-repudiation and state alignment in an interoperable way. You can always do that in WS-CDL and BPEL between two parties, if the two parties agree that a particular message means non-repudiation, or guarantees state alignment. If you don't need either (I'd be surprised if you can live without state alignment) you should probably go with WS-CDL. If you need to model complex interactions that require business semantics and state alignment, BPSS is your only choice today. You can find more information on these articles I wrote: http://www.ebpml.org/ebpml.doc http://www.ebpml.org/bpel-j.htm http://www.ebpml.org/bpel4ws.htm http://www.ebpml.org/ws_-_cdl.htm Jean-Jacques -----Original Message----- From: comment-form@oasis-open.org [mailto:comment-form@oasis-open.org] Sent: Tuesday, June 22, 2004 10:37 AM To: ebxml-bp-comment@lists.oasis-open.org Subject: Public Comment Comment from: jesmonda@maltanet.net Hi, I am in the process of analysing the ebXML standard/s for implementing an e-Commerce application. I have a question regarding the ebXML BPSS spec. in relation to the BPEL/BPEL4WS spec., are these competing standards? If yes, what is the position of OASIS since I believe there is a TC on this initiative. Best regards, Jesmond Abela e-BusCon Ltd.
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