A framework for reasoning on component composition
FMCO'09 Proceedings of the 8th international conference on Formal methods for components and objects
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Computer Grids offer large-scale infrastructures for computer intensive applications, as well as for new service-oriented paradigms. Programming such applications brings a number of difficulties due to asynchrony and dynamicity, and require specific verification methods. We define a behavioural model called pNets for describing the semantics of distributed component systems. pNets (for parameterized networks of synchronised automatas) are hierarchical assemblies of labelled transition systems, with data parameters expressing both value-passing and parameterized topology. We use pNets for building models for Fractal (hierarchical) and GCM (distributed) components. We present the VerCors platform, that implements these model generation procedures, but also abstraction mechanisms and connections with the model-checking engines of the CADP toolset.