Model-based DEVS for modeling and simulation of resource-constrained business processes

Modeling and analysis of resource constraints in business process is becoming a challenging research topic. In fact, business process improvement requires rational handling of resource constraints at both design time and runtime. This paper presents a model-based DEVS “Discrete Event System Specification” for modeling, analysis and checking of resource constraints in business processes at runtime and at earlier stages of design. The proposed model is implemented in JAVADEVS using DEVS-Suite simulator. The main idea of this research is to model activities and resources as atomic DEVS models and make coupling between them to result a DEVS coupled model, where communication is made by message exchanging. The behavior of the overall model will be mastered by the functions of DEVS, which guarantee the concordance of constraints related to the resources.