NFS V2

• examples:

  • “mount filesystem”
    • -> mount protocol
  • “lock file”
    • -> Network Lock Manager (NLM)
  • “delete file”
    • server may remember recent operations & ignore duplicates

• problems:

  • now already 3 protocols, dynamically assigned ports
    • hard to tunnel firewalls
  • what if repeated requests are intentional but arrive out of order ?

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