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Comparison of PI controllers designed for the delay model of TCP/AQM networks

dc.contributor.authorÜnal, Hakki Ulas
dc.contributor.authorMelchor Aguilar, Daniel Alejandro
dc.contributor.authorUstebay, Deniz
dc.contributor.authorNiculescu, Silviu Iulian
dc.contributor.authorOzbay, Hitay
dc.contributor.editorElsevier
dc.date.accessioned2018-06-07T20:16:40Z
dc.date.available2018-06-07T20:16:40Z
dc.date.issued2013-06
dc.identifier.citationHakkı Ulaş Ünal, Daniel Melchor-Aguilar, Deniz Üstebay, Silviu-Iulian Niculescu, Hitay Özbay, Comparison of PI controllers designed for the delay model of TCP/AQM networks, Computer Communications, Volume 36, Issues 10–11, 2013, Pages 1225-1234.
dc.identifier.urihttp://hdl.handle.net/11627/3848
dc.description.abstract"One of the major problems of communication networks is congestion. In order to address this problem in TCP/IP networks, Active Queue Management (AQM) scheme is recommended. AQM aims to minimize the congestion by regulating the average queue size at the routers. To improve upon AQM, recently, several feedback control approaches were proposed. Among these approaches, PI controllers are gaining attention because of their simplicity and ease of implementation. In this paper, by utilizing the fluid-flow model of TCP networks, we study the PI controllers designed for TCP/AQM. We compare these controllers by first analyzing their robustness and fragility. Then, we implement these controllers in ns-2 platform and conduct simulation experiments to compare their performances in terms of queue length. Taken together, our results provide a guideline for choosing a PI controller for AQM given specific performance requirements."
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internacional
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectActive Queue Management
dc.subjectDelay systems
dc.subjectPI Controller
dc.subjectNetwork congestion
dc.subjectTCP/IP
dc.subject.classificationMATEMÁTICAS
dc.titleComparison of PI controllers designed for the delay model of TCP/AQM networks
dc.typearticle
dc.identifier.doihttps://doi.org/10.1016/j.comcom.2013.03.001
dc.rights.accessAcceso Abierto


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Attribution-NonCommercial-NoDerivatives 4.0 Internacional
Except where otherwise noted, this item's license is described as Attribution-NonCommercial-NoDerivatives 4.0 Internacional