Performance analysis of TCP/AQM with generalized AIMD under intermediate buffer sizes

  • Authors:
  • Do Young Eun;Xinbing Wang

  • Affiliations:
  • Department of Electrical and Computer Engineering, North Carolina State University, Raleigh, NC 27695, USA;Department of Electronic Engineering, Shanghai Jiaotong University, Shanghai, China

  • Venue:
  • Computer Networks: The International Journal of Computer and Telecommunications Networking
  • Year:
  • 2007

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Abstract

For TCP/AQM systems, the issue of buffer sizing has recently received much attention. The classical rule-of-thumb suggests O(N) buffer size to ensure full link utilization when N TCP flows share a bottleneck link of capacity O(N), while recent empirical study shows the buffer of size O(N) is enough to yield high utilization (say, 95%) for large N. However, these results are all limited to the drop-tail scheme and there has been no systematic modeling framework for any buffer sizing between O(N) and O(N). In this paper, we study the limiting behavior of a TCP/AQM system for an intermediate buffer sizing of O(N^@c) (0.5=