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Theses

Gestion autonomique de performance, d'énergie et de qualité de service. Application aux réseaux filaires, réseaux de capteurs et grilles de calcul

Remi Sharrock 1
1 LAAS-MRS
LAAS - Laboratoire d'analyse et d'architecture des systèmes
Abstract : The main challenge of this thesis is to cope with the growing complexity of IT systems. In a near future (mainly the next few years) this complexity will prevent new developments and system evolutions. Today the trend is reversing and the managing costs are overtaking the hardware and software costs. Moreover, the manual administration of large systems (distributed applications, sensor networks, and network equipment) is not only slow but error-prone. An emerging research field called autonomic computing tries to bring up self-managed systems. We introduce an approach that enable the description of high level autonomic management policies. These policies allow the system to ensure four fundamental properties for self-management: self-healing, self-self-configuring, self-protecting and self-optimizing. We specify autonomic management Policy Description Diagrams (PDD) and implement them in Toulouse University Network (TUNe). We validated our approach on many systems: electromagnetic simulations distributed on computer grids (grid'5000), wireless sensor networks with SunSPOTs and the computing scheduler DIET. A second part of this thesis presents a mathematical modeling for self-optimizing datacenters. We introduce a minimization problem with a criterion integrating both the electrical consumption of the datacenter networking equipment and the quality of service of the deployed applications. A heuristic takes into account the routing functions used on the network.
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Remi Sharrock. Gestion autonomique de performance, d'énergie et de qualité de service. Application aux réseaux filaires, réseaux de capteurs et grilles de calcul. Automatique / Robotique. Institut National Polytechnique de Toulouse - INPT, 2010. Français. ⟨tel-00578735⟩

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