Traffic measurement in a hybrid satellite-terrestrial network

9/8/03


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Table of Contents

Traffic measurement in a hybrid satellite-terrestrial network

Road map

Introduction of network traffic measurements

Measurement methodology

Motivation for traffic measurements

Motivation of this research

Road map

Introduction to ChinaSat

Introduction to DirecPC system

Introduction to turbo Internet service

Introduction to turbo Internet service

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Data collection

Packet trace format

Billing record format

Billing record format

Road map

Traffic analysis

Stationary process

Autocorrelation

Aggregation

Aggregation: example (1)

Aggregation: example (2)

Self-similarity: a pictorial view

Self-Similarity: intuition

Self-Similarity: mathematics

Properties of self-similarity

Slowly decaying variance

Long range dependence

Long range vs. short range processes

Hurst effect

Hurst parameter

Measuring the self-similarity

R/S statistics

R/S pox diagram

Variance-time plot

Variance-time plot

Periodogram

Periodogram

Why self-similar?

Heavy-tailed distributions

Analysis approach

Road map

Analysis result

Analysis billing records

Analysis billing records

Traffic analysis

Self-similarity

Self-similarity

Self-similarity

Traffic distribution

Traffic distribution

Packet size: analysis

Packet size: analysis

Packet size: analysis

Packet size: analysis

Heavy tails

Heavy tails

References

References

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Author: Kenny Qing Shao

Email: qshao@cs.sfu.ca

Home Page: http://www.ensc.sfu.ca/~ljilja/cnl/