Tuesday, February 23, 2010

Local area Networking

  • Networking deals with interconnected groups of machines talking with each other. Is a very different field than operating systems. Have a lot of standards stuff because everyone must agree on what to do when connect machines together.
  • What is a network? A collection of machines, links and switches set up so that machines can communicate with each other. Some examples:
    • Telephone system. Machines are telephones, links are the telephone lines and switches are the phone switches.
    • Ethernet. Machines are computers, there is one link (the ethernet) and no switches.
    • Internet. Machines are computers, there are multiple links, both long-haul and local-area links. The switches are gateways.

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