Protocols

Protocols

   The rules and conventions used in a communication on a network is called Protocols, i.e, rules and regulations to be followed by computers that are connected to a network.Basically a protocol is an agreement between communication device on how communication is to be proceed.A protocol defines a set of rules governing the exchange of data between computers.Only devices using the same protocol can communicate directly with each another.Computers using dissimilar protocols must transmit and receive through an intermediate interpretation device or program.

TCP/IP(Transmission control protocol/Internet protocol),  FTP(File transfer protocol) are examples of protocols .