Characterization of Internet traffic and its impact on network performance

3/19/03

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Table of Contents

Characterization of Internet traffic and its impact on network performance

Collaborators

Road map

Introduction: traffic patterns

Introduction: simulations

Traffic patterns: “Star Wars” trace

Self-similar traffic patterns

Influence of time-scales

Influence of time-scales

ns-2 network simulator

Simple simulation scenario

Complex simulation scenario

Packet loss rates: mixed UDP and TCP sources

MPEG traces

Wavelet analysis

Wavelet-based Hurst parameter estimator

Abry-Veitch estimator

PPT Slide

PPT Slide

PPT Slide

PPT Slide

PPT Slide

Analysis of packet loss on multiple time-scales

Impact of time scales

Current work

References: on traffic

References: on traffic

References: on packet loss

References: on queuing schemes

References: on fractal estimators

Author: Ljiljana Trajkovic 

Email: ljilja@cs.sfu.ca

Home Page: http://www.ensc.sfu.ca/research/cnl/