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.