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Chapter 13 - Internet: A Network Of Networks

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Chapter 13 - Internet: A Network Of Networks Introduction Network Technologies Are Incompatible Coping With Incompatibility It is impractical, and may be economically ... – PowerPoint PPT presentation

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Title: Chapter 13 - Internet: A Network Of Networks


1
Chapter 13 - Internet A Network Of Networks
  • Introduction
  • Network Technologies Are Incompatible
  • Coping With Incompatibility
  • It is impractical, and may be economically
    infeasible, to require all computers in an
    enterprise to use the same network technology.
  • Two Fundamental Concepts
  • A Connection to a Network can be Extended
    (dial-up modem connection, dedicated modem
    connection, digital connection)
  • A Computer Can Have Multiple Connections
    (multiple NICs)

2
Chapter 13 - Internet A Network Of Networks
  • Using A Computer To Interconnect Networks
  • Computers that interconnect networks are
    dedicated to the interconnection task. Although
    they use conventional hardware, they run
    special-purpose software that starts
    automatically when the system is powered on and
    remains operating at all times.
  • Interconnecting Computers Pass Packets
  • Interconnecting Computers Are Called Routers
    (Gateways)
  • Routers Are The Building Blocks Of The Internet
  • The Internet is not a conventional computer
    network. It consists of thousands of computer
    networks interconnected by dedicated
    special-purpose compters called routers.

3
Chapter 13 - Internet A Network Of Networks
  • Routers Accommodate Multiple Types Of Networks
  • Routers Can Interconnect WANs and LANs
  • Interconnecting Networks Was Revolutionary
  • Terms
  • fiber
  • network of networks
  • route
  • router
  • routing
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