Rate-adaptive weighted fair queueing for energy-aware scheduling

  • Authors:
  • Matthew Andrews;Lisa Zhang

  • Affiliations:
  • -;-

  • Venue:
  • Information Processing Letters
  • Year:
  • 2014

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Abstract

In this paper we study energy-aware scheduling that trades energy consumption against a traditional performance measure of delay. We use the power-rate function f(x)=c+x^@a for x0 and f(0)=0 to model the power consumption, where c0 represents the base power. We give a definition of a rate-adaptive version of the Weighted Fair Queueing scheduling algorithm, and prove its energy consumption is within a bounded factor of the best possible when the algorithm guarantees the classic end-to-end delay for every connection.