What is TCP/IP?

  • TCP/IP stands for Transport Control Protocol / Internet Protocol suite.
  • TCP/IP can successfully switch packets from all shapes and sizes and varieties of networks.
  • The TCP/IP protocol suite refers to several separate protocols that computers use to transfer data across the Internet.
    Some of the components in TCP/IP are:
    Protocol Description
    IP The Internet Protocol is a network layer protocol that moves data between host computers
    TCP The Transport Control Protocol is a transport layer protocol that moves multiple packet data between applications.
    UDP The User Datagram Protocol is a transport layer protocol like TCP but is less complex and reliable than TCP.
    ICMP The Internet Control Message Protocol carries network error messages and other network software requirements.

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