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Service choreography in business computing is a form of service composition in which the interaction protocol between several partner services is defined from a global perspective.The idea underlying the notion of service choreography can be summarised as follows:
"Dancers dance following a global scenario without a single point of control"
That is, at run-time each participant in a service choreography executes its part according to the behavior of the other participants. A choreography's role specifies the expected messaging behavior of the participants that will play it in terms of the sequencing and timing of the messages that they can consume and produce.
Choreography describes the sequence and conditions in which the data is exchanged between two or more participants in order to meet some useful purpose.
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