TCP/IP

• Developed in ‘74 by V. Cerf and B. Kahn

  • As part of Arpanet (U.S. Department of Defense)

• Most common protocol suite

  • Used by the Internet.
  • Almost 70% of all backbone, metropolitan, and wide area networks use TCP/IP
  • Most common protocol on LANs (surpassed IPX/SPX in ‘98)

• Reasonably efficient and error free transmission

  • Performs error checking
  • Transmits large files with end-to-end delivery assurance
  • Compatible with a variety of data link layer protocols

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