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Abstract

The aim of the Model project is to develop modeling techniques for aspects of systems performance and/or reliability. Two specific fields concerned by this research are communication and production engineering. The team's work is directed towards research for solutions that are machine-implementable.

Our main activities include the study of dependability and performability measures of fault-tolerant computing systems. The model involved here are either Markov processes or stochastic graphs (such as reliability diagrams or fault trees) and the methods used to compute these measures are analytical methods, approximation methods, or simulation methods depending on the parameters of the models and the objectives of the analysis. We also study the transient behavior of queues with applications in telecommunication networks.

Scientific Context :

• Markovian processes
• Queues
• Stochastics graphs (reliability diagrams, fault trees, ...)
• Communication networks
• Computer-assisted manufacturing systems
• Reliability, availability, dependability, performability

Application examples :

• Component dimensioning in a computer architecture
• Dimensioning of flexible manufacturing systems
• Comparison of communication network topologies
• Quality of service evaluation in telecommunication networks.