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Subject: RE: [wsbpel] If BPEL is the answer, what is the question?


Steven,

I'm o-o-o on dial-up - so will check those links Tuesday.

From the titles though - this seems to be yet more focus
at the deep technical level rather than the implementation
planning level.  If we cannot understand who should be
using these technologies, and what purpose they will
serve for them - we can hardly expect much buy-in.  The
'build it and they will come' story is worn out in post-1999
corporate IT - they need to understand the value 
proposition.

As to the reply vis the other OASIS spec's - I'm afraid
this is not the kind of positive thinking I am trying to 
foster.   OASIS has many good technologies and 
the smart thinking is to leverage and extend, not
conflict.  Again - customers are looking at investing
in OASIS standards - so why would they buy something
where the developers cannot even agree?

Notice that BUSINESS CONTEXT is a recurring
thread across all the OASIS specifications - so one
simple question that needs answering is - how does
BPEL support the business context mechanism that
the rest of the OASIS TC's are now looking to support?

BTW - BPSS and BPEL are IMHO potentially very
complimentary if you understand the solution
spaces they are aimed at.  I've used BPSS - and it
works great - and is easy for its audience to understand
and deploy.   I've also created some tools for BPML.

I'm looking for those same answers for
BPEL - to understand who will see this as a key tool and
what new ground this is looking to cover?

Which comes back to the key point - if we don't
know who the audience is, what the value proposition
is and what the solution architecture is - then other
people are not going to be able to answer those
questions for us, right?

Cheers, DW.
================================================

Message text written by "Steven Forgey"
>David,
 
I'm not sure what level of context you want, but here are 3 links that
provide an introductory context (business, technical, competitive) to BPEL:

*       Web Services Orchestration: a review of emerging technologies,
tools, and standards (2003-02-03): 
http://devresource.hp.com/drc/technical_white_papers/WSOrch/WSOrchestration
.pdf
*       BPEL4WS - Composition and Orchestration (2002-12-09):  http://
<http://www.infosys.tuwien.ac.at/Teaching/Courses/IntAppl/PDF/BPEL4WS.pdf>
www.infosys.tuwien.ac.at/Teaching/Courses/IntAppl/PDF/BPEL4WS.pdf
*       Commentary and news on the competitive shifts taking place around
BPEL standardization: 
http://www.stencilgroup.com/ideas/briefs/2003/04/politics/

With respect to other OASIS efforts, IMO the primary potential conflict is
between the BPEL family of specs and the ebXML family of specs:

*       BPEL vs. BPSS
*       DIME with WS-Attachments vs. SOAP with Attachments
*       WS-Coordination & WS-Transaction vs. BTP
*       UDDI vs. ebXML Registry

Steven Forgey
Business Engineer
SeeBeyond<


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