Stability Analysis of Proportional-Integral AQM Controllers Supporting TCP Flows

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Autor principal: Daniel Melchor Aguilar
Formato: Artículo científico
Lenguaje:en
Publicado: Instituto Politécnico Nacional 2007
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author Daniel Melchor Aguilar
author_facet Daniel Melchor Aguilar
contents Stability Analysis of Proportional-Integral AQM Controllers Supporting TCP Flows Daniel Melchor Aguilar Víctor Castillo Torres Computación Time Stability Proportional Delay Systems Robust Stability This paper focuses on the asymptotic stability of proportional-integral AQM controllers supporting TCP flows. Necessary and sufficient conditions for the asymptotic stability of the closed-loop linearization are provided. As a result, the complete set of proportional-integral controllers that locally stabilizes the equilibrium point is obtained. The robustness of the controllers to uncertainties in the network parameters (number of TCP flows, round-trip time and link capacity) is also addressed. It is shown that designing the controller with respect to the largest expected values of delay and link capacity, and the smallest expected value of TCP loads leads to the complete set of robust stabilizing controllers. 2007 artículo científico 1405-5546 https://www.redalyc.org/articulo.oa?id=61509706 en http://www.redalyc.org/revista.oa?id=615 Computación y Sistemas application/pdf Instituto Politécnico Nacional Computación y Sistemas (México) Num.4 Vol.10
format Artículo científico
id redalyc_61509706
institution Redalyc
language en
publishDate 2007
publisher Instituto Politécnico Nacional
spellingShingle Stability Analysis of Proportional-Integral AQM Controllers Supporting TCP Flows
Daniel Melchor Aguilar
Computación
Time
Stability
Proportional
Delay Systems
Robust Stability
Stability Analysis of Proportional-Integral AQM Controllers Supporting TCP Flows Daniel Melchor Aguilar Víctor Castillo Torres Computación Time Stability Proportional Delay Systems Robust Stability This paper focuses on the asymptotic stability of proportional-integral AQM controllers supporting TCP flows. Necessary and sufficient conditions for the asymptotic stability of the closed-loop linearization are provided. As a result, the complete set of proportional-integral controllers that locally stabilizes the equilibrium point is obtained. The robustness of the controllers to uncertainties in the network parameters (number of TCP flows, round-trip time and link capacity) is also addressed. It is shown that designing the controller with respect to the largest expected values of delay and link capacity, and the smallest expected value of TCP loads leads to the complete set of robust stabilizing controllers. 2007 artículo científico 1405-5546 https://www.redalyc.org/articulo.oa?id=61509706 en http://www.redalyc.org/revista.oa?id=615 Computación y Sistemas application/pdf Instituto Politécnico Nacional Computación y Sistemas (México) Num.4 Vol.10
title Stability Analysis of Proportional-Integral AQM Controllers Supporting TCP Flows
topic Computación
Time
Stability
Proportional
Delay Systems
Robust Stability
url https://www.redalyc.org/articulo.oa?id=61509706