Point process approaches to the modeling and analysis of self-similar traffic - part I: model construction

  • Authors:
  • Bong K. Ryu;Steven B. Lowen

  • Affiliations:
  • Department of Electrical Engineering and Center for Telecommunications Research, Columbia University, New York, NY;Department of Electrical Engineering and Center for Telecommunications Research, Columbia University, New York, NY

  • Venue:
  • INFOCOM'96 Proceedings of the Fifteenth annual joint conference of the IEEE computer and communications societies conference on The conference on computer communications - Volume 3
  • Year:
  • 1996

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Abstract

We propose four fractal point processes (FPPs) as novel approaches to modeling and analyzing various types of self-similar traffic: the fractal renewal process (FRP), the superposition of several fractal renewal processes (Sup-FRP), the fractal-shot-noise-driven Poisson process (FSNDP), and the fractal-binomialnoise-driven Poisson process (FBNDP). These models fall into two classes depending on their construction. Study of these models provides a thorough understanding of how self-similarity arises in computer network traffic. We find that (i) all these models are (second-order) self-similar in nature; (ii) the Hurst parameter alone does not fully capture the burstiness of a typical self-similar process; (iii) the heavy-tailed property is not a necessary condition to yield selfsimilarity; and (iv) these models permit parsimonious modeling (using only 2-5 parameters) and fast simulation. Simulation verifies that these models exhibit fractal behavior over a wide range of time scales.