Abstract
This paper addresses the generation of stochastic models for dependability and performability analysis of complex systems, through automatic replication of template models inside the Möbius modeling framework. The proposed solution is tailored to systems composed by large populations of similar non-anonymous components, loosely interconnected with each other (as typically encountered in the electrical or transportation sectors). The approach is based on models that define channels shared among replicas, used to exchange the values of each state variable of a replica with the other replicas that need to use them. The goal is to improve the performance of simulation based solvers with respect to the existing state-sharing approach, when employed in the modeling of the addressed class of systems. Simulation results for the time overheads induced by both channel-sharing and state-sharing approaches for different system scenarios are presented and discussed. They confirm the expected gain in efficiency of the proposed channel-sharing approach in the addressed system context.
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Masetti, G., Chiaradonna, S., Di Giandomenico, F. (2017). Model-Based Simulation in Möbius: An Efficient Approach Targeting Loosely Interconnected Components. In: Reinecke, P., Di Marco, A. (eds) Computer Performance Engineering. EPEW 2017. Lecture Notes in Computer Science(), vol 10497. Springer, Cham. https://doi.org/10.1007/978-3-319-66583-2_12
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