In computing, a communication protocol refers to the set of rules that computers use to communicate with each other. The protocol defines the signals that the computers will give each other, and other details such as how communication begins and/or ends.[1]

Types of Protocol
  • Simple Mail Transfer Protocol (SMTP), is used for transferring e-mail between computers.
  • File Transfer Protocol (FTP), is used for showing files to be copied between devices.
  • Transmission Control Protocol (TCP), ensures the delivery of information packets across networks.
  • Internet Protocol (IP), is responsible for logical addressing called "IP address" to route information between networks.
  • In computer networking, Point-to-Point Protocol (PPP) is a data link (layer 2) protocol used to establish a direct connection between two nodes.
  • The packets and device protocol(TPADP) makes sure that the other protocols have a back up route.[source?]
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Communication protocol can be defined as sign, position, rule, minimum duration and color of each movement in semaphore flags.

References

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