Simulation and Analysis of Packet Loss in User Datagram Protocol Transfers

  • Authors:
  • Velibor Markovski;Fei Xue;Ljiljana Trajković

  • Affiliations:
  • School of Engineering Science, Simon Fraser University, Vancouver, British Columbia, Canada vmarkovs@cs.sfu.ca;School of Engineering Science, Simon Fraser University, Vancouver, British Columbia, Canada fxue@cs.sfu.ca;School of Engineering Science, Simon Fraser University, Vancouver, British Columbia, Canada ljilja@cs.sfu.ca

  • Venue:
  • The Journal of Supercomputing
  • Year:
  • 2001

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Abstract

Understanding packet loss patterns in Internet Protocol (IP) networks is important for achieving the desired quality of service in multimedia transfers. In this paper, we study the loss patterns in video transfers using User Datagram Protocol (UDP) in a congested packet network. We use trace-driven ns-2 simulations to collect packet loss traces in networks, and we apply wavelet analysis to investigate the behavior of packet loss on various time-scales. We show that time-scales are essential for understanding loss behavior and that packet loss exhibits long-range dependence over the coarser time-scales.