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Choreography
Choreography, in a Web services context, refers to specifications for how messages should flow among diverse, interconnected components and applications to ensure optimum interoperability. The term is borrowed from the dance world, in which choreography directs the movement and interactions of dancers.
Web services choreography can be categorized as abstract, portable or concrete:
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In abstract choreography, exchanged messages are defined only according to the data type and transmission sequence.
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Portable choreography defines the data type, transmission sequence, structure, control methods and technical parameters.
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Concrete choreography is similar to portable choreography but includes, in addition, the source and destination URLs as well as security information such as digital certificates.
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can i hav a full repory on choreography
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Web Service Choreography (WS-Choreography) is a specification by the W3C defining a XML-based business process modeling language that describes collaboration protocols of cooperating Web Service participants, in which services act as peers, and interactions may be long-lived,The Web Services specifications offer a communication bridge between the heterogeneous computational environments used to develop and host applications. The future of E-Business applications requires the ability to perform long-lived, peer-to-peer collaborations between the participating services, within or across the trusted domains of an organization.
read this also
http://w3TR/ws-cdl-10/
http://w3TR/ws-chor-model/
http://w3TR/ws-cdl-10-primer/
http://en.wikipediawiki/Web_Service_Choreography