NDLI: Measuring Available Bandwidth: pathChirp's Chirp Train Structure Remodeled

Content Provider	IEEE Xplore Digital Library
Author	Suthaharan, S. Kumar, S.
Copyright Year	2008
Description	Author affiliation: Dept. of Comput. Sci., Univ. of North Carolina at Greensboro, Greensboro, NC (Suthaharan, S.; Kumar, S.)
Abstract	Measuring available bandwidth over a network path is required by many applications including end-to-end admission control and server selection. In order to measure the available bandwidth, the end hosts need network information, such as packet delay, at intermediate systems. Several techniques have been proposed to address this problem. We have selected the most recently proposed algorithm called pathChirp and proposed an alternative approach. The main goal of pathChirp is to get the delay information at the intermediate systems by using the concept of self-induced congestion (which uses chirp train packets) in order to estimate the available bandwidth. However there are scenarios where pathChirp cannot provide accurate available bandwidth. We use the pathChirp mechanism as our underlying tool and modify its structure of chirp train. In the modified structure, the rate of the odd inter-chirp packet will be the same as the rate of previous even inter-chirp packet. Additionally, rate of inter-chirp packets will be increased exponentially with even power rather than both even and odd power as done in pathChirp scheme. Purpose of this new structure is to capture more network information using three different time-shifted chirp trains, and subsequently to find a better estimate for the available bandwidth. Our theory and simulation results support this claim.
Starting Page	379
Ending Page	384
File Size	778115
Page Count	6
File Format	PDF
ISBN	9781424426027
DOI	10.1109/ATNAC.2008.4783354
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-12-07
Publisher Place	Australia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Chirp Delay systems Delay estimation Telecommunication traffic Available bandwidth estimation Application software Computer science Network servers pathChirp Admission control Bandwidth Spread spectrum communication inter-chirp packet even power self-induced congestion
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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