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Modeling computer systems evolutions: non-stationary processes and stochastic Petri nets-application to dependability growth

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3 Author(s)
Laprie, J.-C. ; Lab. d''Autom. et d''Anal. des Syst., CNRS, Toulouse, France ; Kaaniche, M. ; Kanoun, K.

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

Published in:

Petri Nets and Performance Models, 1995., Proceedings of the Sixth International Workshop on

Date of Conference:

3-6 Oct 1995