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11th IEEE International Symposium on Modeling, Analysis, and Simulation of Computer and Telecommunications Systems (MASCOTS'03)
Derivation of Passage-time Densities in PEPA Models using ipc: the Imperial PEPA Compiler
Orlando, Florida
October 12-October 15
ISBN: 0-7695-2039-1
Jeremy T. Bradley, Imperial College London
Nicholas J. Dingle, Imperial College London
Stephen T. Gilmore, University of Edinburgh, Edinburgh
William J. Knottenbelt, Imperial College London
We present a technique for defining and extracting passage-time densities from high-level stochastic process algebra models. Our high-level formalism is PEPA, a popular Markovian process algebra for expressing compositional performance models. We introduce ipc, a tool which can process PEPA-specified passage-time densities and models by compiling the PEPA model and passage specification into the DNAmaca formalism. DNAmaca is an established modelling language for the low-level specification of very large Markov and semi-Markov chains. We provide performance results for ipc/DNAmaca and comparisons with another tool which supports PEPA, PRISM. Finally, we generate passage-time densities and quantiles for a case study of a high-availability web server.
Citation:
Jeremy T. Bradley, Nicholas J. Dingle, Stephen T. Gilmore, William J. Knottenbelt, "Derivation of Passage-time Densities in PEPA Models using ipc: the Imperial PEPA Compiler," mascots, pp.344, 11th IEEE International Symposium on Modeling, Analysis, and Simulation of Computer and Telecommunications Systems (MASCOTS'03), 2003
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