Robustness of Real and Virtual Queue based Active Queue Management Schemes

Ashvin Lakshmikantha, Carolyn L Beck, Rayadurgam Srikant

Research output: Contribution to journalArticle

Abstract

In this paper, we compare the performances of the real and virtual queue based marking schemes used at the routers in the Internet. Using simple fluid now models, we show via analysis and simulations that a Virtual Queue (VQ) based marking scheme is superior to a Real Queue (RQ) based marking scheme in terms of robustness to disturbances and the ability to maintain low queueing delays. Our analytical results are applicable to the combinations . of proportionally-fair and TCP-type congestion controllers at the sources, and REM and Proportional Control (PC) at the routers. The behavior of RED is studied via simulations.

Original languageEnglish (US)
Pages (from-to)266-271
Number of pages6
JournalProceedings of the American Control Conference
Volume1
StatePublished - 2003
Externally publishedYes

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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