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1 LIG - Laboratoire d-Informatique de Grenoble 2 CTRL-A - Control techniques for Autonomic, adaptive and Reconfigurable Computing systems Inria Grenoble - Rhône-Alpes

Abstract : Complex computing systems are increasingly self-adaptive, with an autonomic computing approach for their administration. Real systems require the co-existence of multiple autonomic management loops, each complex to design. However their uncoordinated co-existence leads to performance degradation and possibly to inconsistency. There is a need for methodological supports facilitating the coordination of multiple autonomic managers. In this paper we propose a method focusing on the discrete control of the interactions of managers. 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. We validate our method on a multiple-loop multi-tier system.

Keywords : Autonomic computing Component dynamic adaptation Automated management Control loops Formal methods Self-adaptive systems Software reuse

Author: Gwenaël Delaval - Soguy Mak-Karé Gueye - Eric Rutten - Noël De Palma -



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