Future design challenges for electric energy supply
ETFA'09 Proceedings of the 14th IEEE international conference on Emerging technologies & factory automation
Performance evaluation and model checking join forces
Communications of the ACM
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How to dimension buffer sizes in a network on chip? What availability can be expected for the Gallileo satellite navigation system? Is it a good idea to ride a bike with a wireless brake? Can photovoltaic overproduction blow out the European electric power grid? Maybe. Maybe not. Probably? The era of poweraware, wireless and distributed systems of systems asks for strong quantitative answers to such questions. Stochastic model checking techniques have been developed to attack these challenges [2]. They merge two well-established strands of informatics research and practice: verification of concurrent systems and performance evaluation. We review the main achievements of this research strand by painting the landscape of behavioural models for probability, time, and cost, discussing important aspects of compositional modelling and model checking techniques. Different real-life cases show how these techniques are applied in practice.