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

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buir.contributor.authorÖzbay, Hitay
dc.citation.epage1234en_US
dc.citation.issueNumber10-11en_US
dc.citation.spage1225en_US
dc.citation.volumeNumber36en_US
dc.contributor.authorÜnal H. U.en_US
dc.contributor.authorMelchor-Aguilar, D.en_US
dc.contributor.authorÜstebay, D.en_US
dc.contributor.authorNiculescu, S. -I.en_US
dc.contributor.authorÖzbay, Hitayen_US
dc.date.accessioned2016-02-08T09:38:20Z
dc.date.available2016-02-08T09:38:20Z
dc.date.issued2013en_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.description.abstractOne 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.en_US
dc.description.provenanceMade available in DSpace on 2016-02-08T09:38:20Z (GMT). No. of bitstreams: 1 bilkent-research-paper.pdf: 70227 bytes, checksum: 26e812c6f5156f83f0e77b261a471b5a (MD5) Previous issue date: 2013en
dc.identifier.doi10.1016/j.comcom.2013.03.001en_US
dc.identifier.issn0140-3664
dc.identifier.urihttp://hdl.handle.net/11693/20940
dc.language.isoEnglishen_US
dc.publisherElsevieren_US
dc.relation.isversionofhttp://dx.doi.org/10.1016/j.comcom.2013.03.001en_US
dc.source.titleComputer Communicationsen_US
dc.subjectActive Queue Managementen_US
dc.subjectDelay systemsen_US
dc.subjectNetwork congestionen_US
dc.subjectPI Controlleren_US
dc.subjectTCP/IPen_US
dc.subjectActive Queue Managementen_US
dc.subjectDelay systemsen_US
dc.subjectNetwork congestionsen_US
dc.subjectPI Controlleren_US
dc.subjectTCP/IPen_US
dc.subjectControllersen_US
dc.subjectInternet protocolsen_US
dc.subjectQueueing networksen_US
dc.titleComparison of PI controllers designed for the delay model of TCP/AQM networksen_US
dc.typeArticleen_US

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