Chapter 9: The Internet

• Internet

-interconnected network of a thousand networks
-connects computers all over the world
-no physical boundaries

• TCP/IP

transmission control protocol/Internet protocol
-cross-network communication

• Each Internet host has a special unique IP address
• Hosts use the domain name system (DNS) that translates IP address into string of names

• Top-level domain (i.e. : .com, .org, .net, .edu,...)

Direct (Dedicated) Connection , Dialup, DSL, Cable Modem, Satellite, Wireless

ISP - Internet Service Providers