Senior Researcher at Inria
Tel.: +33 (0) 2 99 84 72 96
I work for Inria, the main French public research institution on computer science and applied mathematics. I am the scientific leader of the Dionysos team at Inria’s center in Rennes, in the French Brittany area. Dionysos’ research themes are the design and the analysis of communication networks and systems. We work mainly with wireless infrastructures and with optical networks. From the analysis viewpoint, our focus is on the quantitative aspects of networks: we develop techniques allowing the analysis of models for this type of systems, and for systems with similar complexity level.
My own expertise areas are the analysis of the Quality of Service and of the Quality of Experience of applications and services built on top of a network, and especially of the perceptual quality when a media such as voice or video is involved. I am the author of a technology called PSQA allowing the automatic measure of this essentially subjective metric. On the quantitative aspects, my domain is the analysis of probabilistic models, in particular of Markovian ones (for instance, of queues and networks of queues), of reliability diagrams, from the analytical or from the numerical points of view, as well as when the analysis is done by simulation (discrete event simulation, Monte Carlo techniques). On the applications side, the associated keywords are performance evaluation, dependability evaluation and performability evaluation.