TCP / IP is a communications protocol for the Internet.
In this tutorial, you will learn what TCP / IP, and how it works. Start learning the TCP / the IP !
Computer communication protocol is a description of the rules that must be followed, only to comply with these rules, in order to communicate between computers.
Internet browsers and Internet servers use TCP / IP to connect to the Internet. Browser uses TCP / IP to access the Internet server, the server uses TCP / IP transfer back to the browser HTML.
E-mail program uses TCP / IP to connect to the Internet, so as to send and receive mail.
Your Internet address 220.127.116.11 also part of the standard TCP / IP protocol.