A Comparison of Autonomic Decision Making Techniques
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MIT-CSAIL-TR-2011-019.pdf
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Author(s) • • • •
Maggio, Martina
Hoffmann, Henry
Santambrogio, Marco D.
Agarwal, Anant
Leva, Alberto
Advisor(s)
Anant Agarwal
Date Issued
April 1, 2011
Series/Report no.
MIT-CSAIL-TR-2011-019
Abstract
Autonomic computing systems are capable of adapting their behavior and resources thousands of times a second to automatically decide the best way to accomplish a given goal despite changing environmental conditions and demands. Different decision mechanisms are considered in the literature, but in the vast majority of the cases a single technique is applied to a given instance of the problem. This paper proposes a comparison of some state of the art approaches for decision making, applied to a self-optimizing autonomic system that allocates resources to a software application, which provides direct performance feedback at runtime. The Application Heartbeats framework is used to provide the sensor data (feedback), and a variety of decision mechanisms, from heuristics to control-theory and machine learning, are investigated. The results obtained with these solutions are compared by means of case studies using standard benchmarks.
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