NDLI: DRR-SFF: A Practical Scheduling Algorithm to Improve the Performance of Short Flows

Content Provider	IEEE Xplore Digital Library
Author	Changhua Sun Lei Shi Chengchen Hu Bin Liu
Copyright Year	2007
Description	Author affiliation: Tsinghua Univ., Beijing (Changhua Sun; Lei Shi; Chengchen Hu; Bin Liu)
Abstract	Short flow first scheduling (SFF) strategy is effective in obtaining more stringent performance bounds for short flows in Internet. However, previous strict SFF approaches invested the short flows with excessive preference leading to the starvation of other long flows. Moreover, these SFFs are hard to be deployed due to either extreme complexity or the modification of TCP protocol. Inspired by the fairness and practicality of deficit round robin (DRR), we proposed a novel scheduling mechanism, namely deficit round robin with short flow first (DRR-SFF), which improves the performance of short flows with limited penalizing long flows. DRR-SFF uses weighed DRR to schedule short and long flows respectively and treats long flows more fairly. Through trace-driven simulation, we show that the mean transmission time and loss rate of short flows under DRR-SFF are significantly reduced compared with FIFO scheduling using DropTail. Meanwhile, the performance of long flows under DRR-SFF does not degrade much, retaining to that of FIFO scheduling. Our results demonstrate DRR-SFF is superior to strict SFF approaches, as the latter drives long flows into starvation in our simulations. Moreover, DRR-SFF inherits the O(1) computation complexity of DRR, which makes it easy to be deployed in edge routers.
Starting Page	13
Ending Page	13
File Size	132647
Page Count	1
File Format	PDF
ISBN	9780769528589
DOI	10.1109/ICNS.2007.54
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-06-19
Publisher Place	Greece
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Algorithm design and analysis Computer science Educational programs Protocols Processor scheduling TCPIP Internet Round robin Sun Scheduling algorithm
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
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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