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Internet Characteristics Overview

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Telstra, http://www.telstra.net/ops/bgptable.html. Locality: almost everywhere! ... Matt Hamblen, Computaerworld Enterprise Network news, April 22, 1998 ' ... – PowerPoint PPT presentation

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Title: Internet Characteristics Overview


1
Internet Characteristics Overview
  • Seminar 37-310
  • Polly Huang
  • huang_at_tik.ee.ethz.ch
  • March 28, 2000

2
Why do we care?
  • The Internet is growing fast
  • And almost everywhere

3
Growing Fast End Hosts
4
Growing Fast Backbone Routers
Telstra, http//www.telstra.net/ops/bgptable.html
5
Locality almost everywhere!
6
Towards a Better Internet
design
better
Experts intuition Some evaluation
better
Internet
7
Must Understand the Internet!!
8
Who cares?
  • Researchers
  • Backbone providers or Internet Service Providers
    (ISPs)

9
Internet on Mars
Vint Cerf, http//www.spaceref.com/ipn/03.01.2000.
cerf/
10
Providers Nightmare
  • Software upgrade sparked ATT outage
  • Matt Hamblen, Computaerworld Enterprise Network
    news, April 22, 1998
  • ATTs frame-relay network customers will
    receive rebates for nearly two weeks of service
  • Two weeks revenue amounts to less than 40
    million

11
What are already known?
  • Network Topology
  • Nature of Internet Traffic
  • Scaling Phenomena

12
Network Topology
  • Connectivity
  • Bandwidth

13
Nature of Internet Traffic
  • Failure of Poisson
  • User behavior and system characteristics

14
Scaling Phenomena
  • Packet vs. flow level characteristics
  • Local vs. wide area characteristics

15
Exactly what and howdid they find out?
Stick around! Well see
16
Beneficial for all
  • academic and industrial tracks
  • engineer and scientist types
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