BibTeX
@MISC{Lu01feedbackcontrol,
author = {Chenyang Lu},
title = {Feedback Control Real-Time Scheduling},
year = {2001}
}
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Abstract
We develop Feedback Control real-time Scheduling (FCS) as a unified framework to provide Quality of Service (QoS) guarantees in unpredictable environments (such as ebusiness servers on the Internet). FCS includes four major components. First, novel scheduling architectures provide performance control to a new category of QoS critical systems that cannot be addressed by traditional open loop scheduling paradigms. Second, we derive dynamic models for computing systems for the purpose of performance control. These models provide a theoretical foundation for adaptive performance control. Third, we apply established control methodology to design scheduling algorithms with proven performance guarantees, which is in contrast with existing heuristics-based solutions relying on laborious design/tuning/testing iterations. Fourth, a set of controlbased performance specifications characterizes the efficiency, accuracy, and robustness of QoS guarantees. The
