NDLI: Analysis of control parameters on ABR rate-based control mechanisms

Content Provider	IEEE Xplore Digital Library
Author	Hester, L.E. Luna, C. Kumar, S.P.R.
Copyright Year	1998
Description	Author affiliation: Northwestern Univ., Evanston, IL, USA (Hester, L.E.)
Abstract	We show that by adjusting the rate decrease factor (RDF) and the rate increase factor (RIF) of the switches in an explicit forward congestion indication (EFCI) ATM network, we are better able to implement available bit rate (ABR) services via improved flow and congestion control. First, we find that adjusting the RDF while keeping the RIF constant reduces the amount of time a network remains in a congested state. Increasing the RIF while keeping the RDF constant, on the other hand, causes longer periods of congestion in a network. Second, if single-hop (SH) sources are given larger RDF values than multi-hop (MH) sources in a heterogeneous network environment, then smaller periods of congestion and larger throughputs will result. Moreover, this scheme also provides for bandwidth fairness among the various ABR sources, thus also reducing the "beat-down" problem for multi-hop virtual channels (MH VCs). Thus, an optimal combination of RDF and RIF is needed to minimize congestion, while achieving higher throughput and bandwidth fairness. We describe a simple analytical model which combines MH and SH sources. With this model, we explore the choice of appropriate parameters. From observations of the simple model, we expand our analysis to the creation of a more intricate analytical model. By fine tuning the switching mechanisms through the proper selection of control parameters, we can provide better estimates of the amount of bandwidth available to users, and thus enrich the implementation of ABR services.
Starting Page	122
Ending Page	128
File Size	605905
Page Count	7
File Format	PDF
ISBN	0780348745
ISSN	10987789
DOI	10.1109/ATM.1998.675143
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1998-05-26
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Switches Asynchronous transfer mode Communication system traffic control Traffic control Resource description framework Bandwidth Resource management Erbium Switching circuits NIST
Content Type	Text
Resource Type	Article
Subject	Engineering

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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
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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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