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TCP and UDP

TCP(Transmission Control Protocol)

  • TCP establishes connection between the computers before transmitting the data
  • Connection Oriented type protocol
  • Speed is slow
  • Highly Reliable
  • Header size is 20Bytes
  • It takes acknowledgement of data and has the ability to retransmit, if the user requests.

UDP(User Datagram Protocol)

  • UDP stands the data directly to the destination computer without checking the system is ready or not.
  • Connection type is connectionless
  • Fast in speed
  • Unreliable
  • Header is 8Bytes
  • Neither it takes acknowledgement nor it retransmits the lost data.

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