Instability effects of two-way traffic in a TCP/AQM system

  • Authors:
  • Jinsheng Sun;Sammy Chan;King-Tim Ko;Guanrong Chen;Moshe Zukerman

  • Affiliations:
  • Department of Automation, Nanjing University of Science and Technology, Nanjing 210094, China;Department of Electronic Engineering, City University of Hong Kong, Hong Kong SAR, China;Department of Electronic Engineering, City University of Hong Kong, Hong Kong SAR, China;Department of Electronic Engineering, City University of Hong Kong, Hong Kong SAR, China;The ARC Special Research Centre for Ultra-Broadband Information Networks, Department of Electrical and Electronic Engineering, The University of Melbourne, Vic. 3010, Australia

  • Venue:
  • Computer Communications
  • Year:
  • 2007

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Abstract

Considering four popular Active Queue Management (AQM) schemes, we demonstrate by simulations that loss and delay of acknowledgement (ACK) packets, due to congestion, may significantly degrade the stability of a TCP/AQM system. We demonstrate that giving priorities to the ACK packets can stabilize the system.