Chapter 2: Summary

• application service requirements:

  • reliability, bandwidth, delay

• client-server paradigm

• Internet transport service model

  • connection-oriented, reliable: TCP
  • unreliable, datagrams: UDP

Our study of network apps now complete!

• specific protocols:
  • http
  • ftp
  • smtp, pop3
  • dns

• socket programming
  • client/server implementation
  • using tcp, udp sockets

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