Service Choreography
Service choreography is a form of service composition in which the interaction protocol between several partner services is defined from a global perspective. The intuition 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 of it (i.e. its role) 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.
Read more about this topic: Web Service Choreography
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“A man’s real faith is never contained in his creed, nor is his creed an article of his faith. The last is never adopted. This it is that permits him to smile ever, and to live even as bravely as he does. And yet he clings anxiously to his creed, as to a straw, thinking that that does him good service because his sheet anchor does not drag.”
—Henry David Thoreau (1817–1862)