NDLI: Universal Packet Scheduling

Content Provider	ACM Digital Library
Author	Shenker, Scott Mittal, Radhika Agarwal, Rachit Ratnasamy, Sylvia
Abstract	In this paper we address a seemingly simple question: Is there a universal packet scheduling algorithm? More precisely, we analyze (both theoretically and empirically) whether there is a single packet scheduling algorithm that, at a network-wide level, can match the results of any given scheduling algorithm. We find that in general the answer is "no". However, we show theoretically that the classical Least Slack Time First (LSTF) scheduling algorithm comes closest to being universal and demonstrate empirically that LSTF can closely, though not perfectly, replay a wide range of scheduling algorithms in realistic network settings. We then evaluate whether LSTF can be used in practice to meet various network-wide objectives by looking at three popular performance metrics (mean FCT, tail packet delays, and fairness); we find that LSTF performs comparable to the state-of-the-art for each of them.
Starting Page	1
Ending Page	7
Page Count	7
File Format	PDF MP4
ISBN	9781450340472
DOI	10.1145/2834050.2834085
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2015-11-16
Publisher Place	New York
Access Restriction	Subscribed
Content Type	Audio Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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Universal Packet Scheduling