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SIAM Journal on Control and Optimization
Synthesis of Discrete-Event Controllers Based on the SignalEnvironment
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A conservative extension of synchronous data-flow with state machines
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Introduction to Discrete Event Systems
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Proceedings of the 2nd ACM SIGOPS/EuroSys European Conference on Computer Systems 2007
VirtualPower: coordinated power management in virtualized enterprise systems
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Using components for architecture-based management: the self-repair case
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Autonomic multi-agent management of power and performance in data centers
Proceedings of the 7th international joint conference on Autonomous agents and multiagent systems: industrial track
vManage: loosely coupled platform and virtualization management in data centers
ICAC '09 Proceedings of the 6th international conference on Autonomic computing
Contracts for modular discrete controller synthesis
Proceedings of the ACM SIGPLAN/SIGBED 2010 conference on Languages, compilers, and tools for embedded systems
LIBERO: a framework for autonomic management of multiple non-functional concerns
Euro-Par 2010 Proceedings of the 2010 conference on Parallel processing
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The increasing complexity of computer systems has led to the automation of administration functions, in the form of autonomic managers. One important aspect requiring such management is the issue of energy consumption of computing systems, in the perspective of green computing. As these managers address each a specific aspect, there is a need for using several managers to cover all the domains of administration. However, coordinating them is necessary for proper and effective global administration. Such coordination is a problem of synchronization and logical control of administration operations that can be applied by autonomous managers on the managed system at a given time in response to events observed on the state of this system. We therefore propose to investigate the use of reactive models with events and states, and discrete control techniques to solve this problem. In this paper, we illustrate this approach by integrating a controller obtained by synchronous programming, based on Discrete Controller Synthesis, in an autonomic system administration infrastructure. The role of this controller is to orchestrate the execution of reconfiguration operations of all administration policies to satisfy properties of logical consistency. We apply this approach to coordinate three managers : two energy-aware ones, which control server provisioning and processor frequency, and a repair manager.