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A service is designed to interact with other services. If the service interaction is stateful and asynchronous, the interaction protocol can become quite complex. A service may be able to interact with a lot of possible partner services, one partner or no partner at all. Having no partner surely is not intended by the designer. But the stateful interaction between services can be formalized and thus...
This paper addresses the problem of analyzing the interaction between BPEL processes. We present a technology chain that starts out with a BPEL process and transforms it into a Petri net model. On the model we decide controllability of the process (the existence of a partner process, such that both can interact properly) and compute its operating guideline (a characterization of all properly interacting...
Service-oriented computing proposes services as building blocks which can be composed to complex systems. To reason about the correctness of a service, its communication protocol needs to be analyzed. A fundamental correctness criterion for a service is the existence of a partner service, formalized in the notion of controllability. In this paper, we introduce Wendy, a Petri net-based tool...
We address the problem of analyzing the interaction between WS-BPEL processes. We present a technology chain that starts out with a WS-BPEL process and translates it into a Petri net model. On the model we decide controllability of the process (the existence of a partner process, such that both can interact properly) and compute its operating guideline (a characterization of all properly interacting...
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