WS-CDL

W3C has published the first working draft of Web Services Choreography (WS-CDL).

Web Services Choreography Description Language (WS-CDL) is targeted to coordinate interactions among Web services and their users, and "is a necessary complement to end point languages such as BPEL and Java, WS-CDL provides them with the global model they need to ensure that end point behavior-the "rules of engagement"-is consistent across cooperating services".