NDLI: Nonlinear instabilities in TCP-RED

Content Provider	IEEE Xplore Digital Library
Author	Ranjan, P. Abed, E.H. La, R.J.
Copyright Year	2002
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Maryland Univ., College Park, MD, USA (Ranjan, P.; Abed, E.H.; La, R.J.)
Abstract	This work develops a discrete time feedback system model for a simplified TCP (transmission control protocol) network with RED (random early detection) control. The model involves sampling the buffer occupancy variable at certain instants. The dynamical model is used to analyze the TCP-RED operating point and its stability with respect to various RED controller and system parameters. Bifurcations are shown to occur as various system parameters are varied. These bifurcations, which involve the emergence of oscillatory and/or chaotic behavior, may provide an explanation for the parameter sensitivity observed in practice. The bifurcations arise due to the presence of a nonlinearity in the characteristics of TCP throughput as a function of drop probability at the gateway. Among the bifurcations observed in the system are the period-doubling bifurcation and border collision bifurcations. The bifurcations are studied analytically, numerically, and experimentally.
Sponsorship	IEEE Comput. Soc. IEEE Commun. Soc
Starting Page	249
Ending Page	258
File Size	1147667
Page Count	10
File Format	PDF
ISBN	0780374762
ISSN	0743166X
DOI	10.1109/INFCOM.2002.1019266
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-06-23
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Bifurcation Throughput Chaos Computer networks Stochastic processes Feedback Protocols Telephony Intelligent networks Sampling methods
Content Type	Text
Resource Type	Article
Subject	Computer Science Electrical and Electronic Engineering

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