AQM Generalized Nyquist stability in multiple bottlenecks networks

Laura Giarre, Dario Bauso, Daniele Di Bernardo, Giovanni Neglia

Risultato della ricerca: Other

Abstract

The influence of multiple bottlenecks on the stability of Active Queue Management (AQM) controllers, usually configured on a single bottleneck basis is discussed. We consider a network scenario where RED is configured at each router according to previously developed control theoretic techniques. These configuration rules assure stability in a single bottleneck scenario. We show that instability may arise when two links become congested. We justify this result through a multiple bottleneck model using the Generalized Nyquist stability criterion.
Lingua originaleEnglish
Pagine143-148
Numero di pagine6
Stato di pubblicazionePublished - 2005

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering

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