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Monday, October 31, 2005
Standard mechanisms to orchestrate business processes in Web services applications known as BPEL 2.0 standard will have to wait until next year for final OASIS approval.Amendments to enable human interactions as part of this technology will wait even longer.This being delayed until the first half of 2006 while technologists at OASIS continue sorting through approximately three dozen issues, whittled down from a list that had totaled around 230. Considered critical for applications such as transactional and B2B systems, the XML-based BPEL technology has wide industry support.BPEL has functions such as language constructs to enable if-then-else statements for the 2.0 version. Dynamic, parallel invocation of services also is an important addition,for adapting the number of steps in a process based on the number of partners participating in a transaction, according to IBM. Version 2.0 is aimed at improving the way that Web services are used to call out to partner links to enable more flexibility. One of the noted weakness in BPEL2.0 is that it is orchestrated automation and perhaps provides limited flexibility for accommodating human workflow mechanisms. IBM’s BPEL4People is defined in a way that it is layered on top of the BPEL language so that its features can be composed with the BPEL core features whenever needed as this paper explains in detail.
Category :BPEL 2.0 |
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