NDLI: End-to-end QoS measurement: analytic methodology of application response time vs. tunable latency in IP networks

Content Provider	IEEE Xplore Digital Library
Author	Tse-Au, E.S.H. Morreale, P.A.
Copyright Year	2000
Description	Author affiliation: Lab. of Adv. Technol., AT&T Bell Labs., Middletown, NJ, USA (Tse-Au, E.S.H.)
Abstract	In this paper, we discuss one aspect of the measurement issue: how to measure end-to-end application response time (ART) relative to aggregated "tunable" network latency, or tunable latency. The goal is to enhance our understanding of the relationship between these two metrics for database access applications. Tunable latency is defined as follows: the sum of the "round trip" queuing delay and data transmission/insertion delay from beginning to end of the application transmission. Our problem space concentrates on developing a methodology to graphically characterize response time as a function of tunable latency for existing database access applications in a wired, single-threaded, multi-user, post-deployment client/server environment. A number of tools were used in developing this methodology which was not obvious from the tools' documentation. To test its feasibility before actual field use, we used an experimental setup to emulate the real user environment. In so doing, we now have two proposed methodologies: one for the experimental setup version (of the in-service scenario) and one for the "actual" in-service scenario. We present results obtained from the experimental method. The resulting graphs can be a consultation tool for network tuning and control, classification of user applications by priority class-of-service, SLA negotiation and manual QoS provisioning.
Starting Page	129
Ending Page	142
File Size	776460
Page Count	14
File Format	PDF
ISBN	0780359283
DOI	10.1109/NOMS.2000.830380
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-04-10
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Time measurement Quality of service IP networks Subspace constraints Databases Web and internet services Transport protocols Delay effects Intelligent networks Documentation
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
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
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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
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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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