NDLI: Bandwidth assurance issues for TCP flows in a differentiated services network

Content Provider	IEEE Xplore Digital Library
Author	Seddigh, N. Nandy, B. Pieda, P.
Copyright Year	1999
Description	Author affiliation: Comput. Technol. Labs., Nortel Networks, Ottawa, Ont., Canada (Seddigh, N.)
Abstract	Much industry attention has been focused on providing differentiated levels of service to users on IP networks. One such proposal is the RIO scheme proposed by Clark (see ACM Transactions on Networking, 1998 ). RIO is an extension of the RED algorithm that relies on a differentiated drop treatment during congestion to cause different levels of service. The end result of differentiated dropping of packets during congestion is differentiated throughput rates for end-users. The IETF's Diffserv Working Group has recently standardized a PHB (per hop behaviour) that is based on a differentiated drop scheme-assured forwarding (AF). This paper raises issues with providing bandwidth assurance for TCP flows in a RIO-enabled differentiated services network. The main contribution is a detailed experimental study of five different factors that impact throughput assurances for TCP and UDP flows in such a network. Our study demonstrates that these factors can cause different throughput rates for end-users in spite of having contracted identical service agreements.
Starting Page	1792
Ending Page	1798
File Size	634780
Page Count	7
File Format	PDF
ISBN	0780357965
DOI	10.1109/GLOCOM.1999.832471
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1999-12-05
Publisher Place	Brazil
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Bandwidth Intelligent networks Diffserv networks Telecommunication traffic Traffic control Throughput IP networks Quality of service TCPIP Web and internet services
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
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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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