Coordination Modulaire de Gestionnaires Autonomes par Contrôle Discret

Soguy Mak-Karé Gueye 1, 2
1 CTRL-A - Control techniques for Autonomic, adaptive and Reconfigurable Computing systems
Inria Grenoble - Rhône-Alpes, LIG - Laboratoire d'Informatique de Grenoble
2 ERODS - Efficient and Robust Distributed Systems
LIG - Laboratoire d'Informatique de Grenoble
Abstract : Computing systems have become more and more distributed and heterogeneous, making their manual administration difficult and error-prone. The Autonomic Computing approach has been proposed to overcome this issue, by automating the administration of computing systems with the help of control loops called autonomic managers. Many research works have investigated the automation of the administration functions of computing systems and today many autonomic managers are available. However the existing autonomic managers are mostly specialized in the management of few administration concerns. This makes necessary the coexistence of multiple autonomic managers for achieving a global system management. The coexistence of several managers make possible to address multiple concerns, yet requires coordination mechanisms to avoid incoherent management decisions. We investigate the use of control techniques for the design of coordination controllers, for which we exercise synchronous programming that provide formal semantics, and discrete controller synthesis to automate the construction of the controller. We follow a component-based approach, and explore modular discrete control allowing to break down the combinatorial complexity inherent to the state-space exploration technique. This improves scalability of the approach and allows constructing a hierarchical control. It also allows re-using complex managers in different contexts without modifying their control specifications. We build a component-based coordination of managers, with introspection, adaptivity and reconfiguration. This thesis details our methodology and presents case-studies. We evaluate and demonstrate the benefits of our approach by coordinating autonomic managers which address the management of availability, and the management of performance and resources optimization.
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Submitted on : Friday, December 5, 2014 - 9:55:39 AM
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Soguy Mak-Karé Gueye. Coordination Modulaire de Gestionnaires Autonomes par Contrôle Discret. Calcul parallèle, distribué et partagé [cs.DC]. Universite de Grenoble, 2014. Français. ⟨tel-01091302⟩

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