Nonlinear flow control for network traffic management with capacity constraints

Research output: Contribution to journalConference articlepeer-review


In this paper we present our nonlinear flow control schemes based on a buffer management model with physical constraints. It extends previous result of Pitsillides, Ioannou and Rossides in [10] by improving the buffer management of a network to better serve a class of traffic. Extension to decentralized control of a large scale network is also considered. The proposed discontinuous controller asymptotically regulates the buffer queue length at the output port of a router/switch to a constant value, in the face of unknown interfering traffics and control input constraint. Its continuous approximation achieves practical regulation with an ultimate bound on the regulation, error tunable by a design parameter.

Original languageEnglish (US)
Pages (from-to)2333-2338
Number of pages6
JournalProceedings of the American Control Conference
StatePublished - 2004
EventProceedings of the 2004 American Control Conference (AAC) - Boston, MA, United States
Duration: Jun 30 2004Jul 2 2004


  • Asymptotic regulation
  • Buffer management
  • Capacity constraints
  • Congestion control

ASJC Scopus subject areas

  • Electrical and Electronic Engineering


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