History
"Many presentations at the W3C Workshop on Web services of 11–12 April 2001 pointed to the need for a common interface and composition language to help address choreography. The Web Services Architecture Requirements Working Draft created by the Web Services Architecture Working Group also lists the idea of Web service choreography capabilities as a Critical Success Factor, in support of several different top-level goals for the nascent Web services architecture".
The problem of choreography was (and still is) of great interest to the industry during that time efforts such as WSCL (Web Service Conversation Language) and WSCI (Web Service Choreography Interface) were submitted to W3C and were published as Technical Notes. Moreover complementary efforts were launched :
- BPML, now BPMN
- BPSS by ebXML
- WSFL by IBM
- XLANG by Microsoft
- BPEL4WS by IBM, Microsoft and BEA
"In June 2002, Intalio, Sun, BEA and SAP released a joint specification named Web Services Choreography Interface (WSCI). This specification was also submitted to W3C as a note in August 2002. W3C has since formed a new Working Group called Web Services Choreography Working Group within the Web services Activity. The WSCI specification is one of the primary inputs into the Web Services Choreography Working Group which published a Candidate Recommendation on WS-CDL version 1.0 on November 9th, 2005". "XLang, WSFL and WSCI are no longer being supported by any standard organization or companies. BPEL replaced Xlang and WSFL WSCI was superseded by WS-CDL".
The upcoming Business Process Modeling Notation version 2.0 will introduce diagrams for specifying service choreographies. The academic field has put forward other service choreography languages, for example Let's Dance, BPEL4Chor and MAP.
Read more about this topic: Web Service Choreography
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