System <-> Network

• “The network is the computer”

  • Network file systems

• Networks can be even slower than disks

  • 12 ms each way to California using fiber optics
    • 250 ms each way using a satellite
  • Sharing the circuit adds more delay

• Two solutions

  • Use local disk to store some network data
    • Called “temporary Internet files” in Internet Explorer
  • Transfer files using FTP and then work locally

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