| Modeling Computer Systems Evolutions: NonStationary Processes and Stochastic Petri Nets - Application to Dependability Growth,” PNPM (1995) | |||||||||||||||
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| Stochastic Petri nets (SPNs) have emerged over the years as a favored approach for performance and dependability modeling and evaluation. Their usual utilization assumes that systems specification and design do not evolve, in opposition to real-life. This paper is aimed at a preliminary exploration of how to take advantage of the existing body of results on SPNs for modeling the evolution of computer systems, i.e. to model non-stationary stochastic processes. It focuses on dependability evolutions which result from successive releases. | |||||||||||||||
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