Soundness-preserving composition of synchronously and asynchronously interacting workflow net components

01/15/2020

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by   Luca Bernardinello, et al.

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In this paper, we propose a compositional approach to construct formal models of complex distributed systems with several synchronously and asynchronously interacting components. A system model is obtained from a composition of individual component models according to requirements on their interaction. We represent component behavior using workflow nets - a class of Petri nets. We propose a general approach to model and compose synchronously and asynchronously interacting workflow nets. Through the use of Petri net morphisms and their properties, we prove that this composition of workflow nets preserves component correctness.