Protocol in computer Network

Protocol in computer Network

 What is the significance of Protocol in a computer Network?

Protocol is the set of rules and regulations used for communication between devices on a network. A Protocols may be  hardware, software, or a combination of both.A protocol has Syntax, Semantics and Timing.

  • Syntax
  • Semantics
  • Timing
  • Syntax indicate What is to Communicate
  • Semantics indicate  How to Communicate
  • Timing indicate When to Communicate

If a protocol can provide accurate answer to the above three questions, then it is an accurate protocol.

Example: HTTP , FTP, TCP ,UDP , IP , ARP, RARP etc