NDLI: Automatic Configuration of an Autonomic Controller: An Experimental Study with Zero-Configuration Policies

Content Provider	IEEE Xplore Digital Library
Author	Heinis, T. Pautasso, C.
Copyright Year	2008
Description	Author affiliation: Dept. of Comput. Sci., ETH Zurich, Zurich (Heinis, T.)
Abstract	Autonomic control managers can remove the need for manual system configuration in order to achieve good performance and efficient resource utilization. However, simple controllers based on reconfiguration actions tied to thresholds, or 'if-then' rules, themselves need to be configured and tuned in order to adapt the controller behavior to the expected workload characteristic. In this paper we present an experimental study of zero-configuration policies that can be automatically tuned based on analytical models of the system under control. In particular, we have designed and implemented a threshold-free self-configuration policy for a distributed workflow execution engine and compared it with a standard PID controller. The experimental results included in the paper show that using such a policy the controller can tune itself in addition to reconfiguring the distributed engine and the proposed policy out-performs simpler policies that require manual and error-prone tuning of their parameters.
Starting Page	67
Ending Page	76
File Size	521469
Page Count	10
File Format	PDF
ISBN	9780769531755
DOI	10.1109/ICAC.2008.29
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-06-02
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Automatic control Control systems Engines Three-term control Resource management Analytical models Control system synthesis Optimal control Computer science Informatics
Content Type	Text
Resource Type	Article

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