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Please use this identifier to cite or link to this item: http://hdl.handle.net/1860/1702

Title: Risk-aware limited lookahead control for dynamic resource provisioning in enterprise computing systems
Authors: Kusic, Dara
Kandasamy, Nagarajan
Keywords: Utility computing;Resource provisioning;Sequential optimization;Limited lookahead control
Issue Date: 2006
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
Citation: Proceedings of the rd International Conference on Autonomic Computing, ICAC 2006: pp. 74-83.
Abstract: Utility or on-demand computing, a provisioning model where a service provider makes computing infrastructure available to customers as needed, is becoming increasingly common in enterprise computing systems. Realizing this model requires making dynamic, and sometimes risky, resource provisioning and allocation decisions in an uncertain operating environment to maximize revenue while reducing operating cost. This paper develops an optimization framework wherein the resource provisioning problem is posed as one of sequential decision making under uncertainty and solved using a limited lookahead control scheme. The proposed approach accounts for the switching costs incurred during resource provisioning and explicitly encodes risk in the optimization problem. Simulations using workload traces from the Soccer World Cup 1998 web site show that a computing system managed by our controller generates up to 20% more revenue than a system without dynamic control while incurring low control overhead.
URI: http://hdl.handle.net/1860/1702
Appears in Collections:Faculty Research and Publications (ECE)

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