Fractional Lévy motion and its applocation to network traffic modeling

  • Authors:
  • N. Laskin;I. Lambadatis;F. C. Harmantzis;M. Devetsikiotis

  • Affiliations:
  • Department of Systems and Computer Engineering, Carleton University, Ottawa, Ont., Canada;Department of Systems and Computer Engineering, Carleton University, Ottawa, Ont., Canada;Department of Electrical and Computer Engineering, University of Toronto, Ont., Canada;Department of Electrical and Computer Engineering, North Carolina State University, Raleigh, NC

  • Venue:
  • Computer Networks: The International Journal of Computer and Telecommunications Networking - Special issue: Advances in modeling and engineering of Longe-Range dependent traffic
  • Year:
  • 2002

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Abstract

We introduce a general non-Gaussian, self-similar, stochastic process called the fractional Lévy motion (fLm). We formally expand the family of traditional fractal network traffic models, by including the fLm process. The main findings are the probability density function of the fLm process, several scaling results related to a single-server infinite buffer queue fed by fLm traffic, e.g., scaling of the queue length, and its distribution, scaling of the queuing delay when independent fLm streams are multiplexed, and an asymptotic lower bound for the probability of overflow (decreases hyperbolically as a function of the buffer size).