CSP as a coordination language
COORDINATION'11 Proceedings of the 13th international conference on Coordination models and languages
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Nowadays, the problem in business process management (BPM) is that BPM systems should both be easy to use for business process developers and be based on a sound formal method. Business process management systems are often based on semiformal modeling techniques such as event-driven process chains (EPC) or UML. Unlike semiformal modeling techniques, the process calculus CSP comes with mature verification sup- port. Surprisingly little work has been done on using CSP for business process modeling and management. In this paper, we present our approach to business process management, which is based on the observation that CSP is well suited not only for specifying business processes and verifying workflows but also for executing workflows using our CSP4J framework. We report on a workflow server, which is specified in CSP and implemented using our CSP4J framework. The server accepts workflows that are modeled in CSP and also implemented using CSP4J. This allows us to integrate the mature verification support of CSP into both the management system itself and the development process of the end users’ business process definitions.