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Traffic monitoring in transmission control protocol/active queue management networks through a time-delay observer
KTH, School of Electrical Engineering (EES), Automatic Control. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.
2012 (English)In: IET Control Theory & Applications, ISSN 1751-8644, E-ISSN 1751-8652, Vol. 6, no 4, 506-517 p.Article in journal (Refereed) Published
Abstract [en]

The use of the control theory tools for traffic control in communication networks, for example, the congestion control in internet protocol (IP) routers, has given rise to challenging issues in the time-delay system framework. In this study, the authors propose to design a linear time-delay observer for traffic monitoring in transmission control protocol/active queue management (TCP/AQM) networks. More precisely, the authors focus on a bottleneck topology consisting of long-lived TCP communications through a router. The developed mechanism, located at the router, aims at supervising the network via TCP flow estimations as well as detecting a class of anomalies. This issue is formulated as a stability problem for multiple delayed systems and appropriate robust control tools such as quadratic separation are adopted to address it. Then, some simulations via the network simulator NS-2 and an emulation experiment support the proposed methodology.

Place, publisher, year, edition, pages
2012. Vol. 6, no 4, 506-517 p.
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-92331DOI: 10.1049/iet-cta.2009.0477ISI: 000301183700004Scopus ID: 2-s2.0-84858419016OAI: oai:DiVA.org:kth-92331DiVA: diva2:516692
Note
QC 20120419Available from: 2012-04-19 Created: 2012-04-02 Last updated: 2017-12-07Bibliographically approved

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