NDLI: Greedy fair queueing: a goal-oriented strategy for fair real-time packet scheduling

Content Provider	IEEE Xplore Digital Library
Author	Hongyuan Shi Sethu, H.
Copyright Year	2003
Description	Author affiliation: Dept. of ECE, Drexel Univ., Philadelphia, PA, USA (Hongyuan Shi; Sethu, H.)
Abstract	Fair scheduling algorithms are an important component of most QoS mechanisms designed to support the performance guarantees required by real-time applications. In this paper, we present greedy fair queueing (GrFQ), a novel scheduler based on a greedy strategy of reducing the maximum difference in normalized service received by any two flows at each transmission boundary. We prove that the GrFQ scheduler achieves a better bound on the normalized lag than other known schedulers. We further propose a simplified version of the scheduler, called GrFQ-lite, which avoids the emulation of a fluid flow system and has a per-packet work complexity of O(1) in the computation of the timestamps. Borrowing from the field of economics, we use the Gini index as a measure of instantaneous fairness. Using real gateway traffic traces, we show that the GrFQ scheduler achieves better fairness than any other known scheduler at virtually all instants of time. We further show that the GrFQ-lite scheduler achieves equivalent or better fairness than other known schedulers including those that are significantly more computationally intensive in their emulation of the ideally fair fluid flow system.
Sponsorship	IEEE Comput. Soc. Tech. Committee on Real-Time Systems
Starting Page	345
Ending Page	356
File Size	598148
Page Count	12
File Format	PDF
ISBN	0769520448
DOI	10.1109/REAL.2003.1253280
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-12-05
Publisher Place	Mexico
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Scheduling algorithm Processor scheduling Global Positioning System Quality of service Web and internet services Emulation Fluid flow Traffic control Real time systems Switches
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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