What is a Protocol?
I know english, you can read english, your browser understands english so you can read it without seeing any junk. What is all this, how come every thing is going good without giving any surpises to us, the answer is Protocol. continue reading here …
Protocol is referred to as a method or rule set which define how exchang of data should be done over a computer network. Example of computer network is LAN (local area network), Internet, Intranet, etc. Like we have grammers while we write, speak or read, same way each protocol has its own method of how data should be formatted while sending and how to read them back once received, how to look for correctness of the data and all is part of Protocol.
Best example of the applications using protocols is our browser which understands HTTP (HyperText Transfer Protocol), which is a protocol used to transmit data over the world wide web (Internet). Few others like FTP (File Transfer Protocol), HTTP (Hypertext Transfer Protocol), TCP/IP (Transfer Control Protocol/Internet Protocol), and SMTP (Simple Mail Transfer Protocol), HTTPS ( HyperText Transfer Protocol sequre )