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Modèle hyperexponentiel en temps continu et en temps discret pour l'évaluation de la croissance de la sûreté de fonctionnement

Mohamed Kaâniche 1
1 LAAS-TSF - Équipe Tolérance aux fautes et Sûreté de Fonctionnement informatique
LAAS - Laboratoire d'analyse et d'architecture des systèmes
Abstract : This dissertation presents theoretical and practical results on computer system reliability and
availability growth modeling. Two kinds of system behavior characterizations are considered: first,
with respect to time, and second, with respect to the number of executions performed.
The dissertation is centered on two reliability growth models: the continuous time hyperexponential
model and the discrete time hyperexponential model. For each of these models, we consider first,
single component systems, and second, multi-component systems such that the reliability growth of
each component of the considered system is characterised by the hyperexponential model. The
discrete time hyperexponential model is also used to account for some characteristics of the software's
environment to evaluate dependability measures of the software that are particular to the environment
in which it is executed.
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Submitted on : Tuesday, April 17, 2007 - 4:20:20 PM
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  • HAL Id : tel-00142181, version 1

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Mohamed Kaâniche. Modèle hyperexponentiel en temps continu et en temps discret pour l'évaluation de la croissance de la sûreté de fonctionnement. Réseaux et télécommunications [cs.NI]. Institut National Polytechnique de Toulouse - INPT, 1992. Français. ⟨tel-00142181⟩

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