Estimating Traffic Parameters in Internet via Active Measurements for QoS and Congestion Control

Sharma, Vinod and Suma, MB (2001) Estimating Traffic Parameters in Internet via Active Measurements for QoS and Congestion Control. In: IEEE Global Telecommunications Conference, 2001. GLOBECOM '01, 25-29 November, Texas,USA, Vol.4, 2527-2531.

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Abstract

In this paper we develop a scheme which can help provide certain QoS via active measurement techniques. We send a probing stream, using TCP or UDP, on a path with one bottleneck router. Several TCP and UDP connections (cross traffic) may be sharing the link on the router. We make measurements of the RTT and the throughput of the probing stream and do not assume any knowledge of the cross traffic. Then we obtain estimates of the mean delay and the throughput a new TCP or UDP stream will obtain through that router. We also obtain the total traffic intensity of the UDP streams and the total work load in the queue by the TCP connections in the cross traffic. The router may or may not employ RED control. We find that using TCP for a probing stream provides better estimates than using UDP.

Item Type:	Conference Paper
Publisher:	IEEE
Additional Information:	Copyright 1990 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Keywords:	Network monitoring;Estimating traffic parameters;Local information;Providing QoS;Internet
Department/Centre:	Division of Electrical Sciences > Electrical Communication Engineering
Date Deposited:	16 Feb 2006
Last Modified:	19 Sep 2010 04:23
URI:	http://eprints.iisc.ac.in/id/eprint/5379

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