There are many protocols used by the Internet and the WWW:
o TCP/IP
o HTTP
o FTP
o Electronic mail protocols IMAP
o POP
TCP/IP
The Internet uses two main protocols (developed by Vincent Cerf and Robert Kahn) Transmission control protocol (TCP):Controls disassembly of message into packets at the origin reassembles at the destination
Internet protocol (IP):Specifies the addressing details for each packet Each packet is labelled with its origin and destination.