What Happens on the Internet
The Internet really is a big TCP/IP network, and if you’re not worried about security or time delays, you can use the Internet for almost anything you can do on a routed corporate LAN. Of course, the security considerations are substantial. You definitely should not use the Internet for anything you could do on a routed corporate LAN, but you could if you wanted to. Hours 22 and 23 discuss some of the reasons why you need to be more careful about security in an unprotected space like the open Internet.
It is important to remember that all computers participating in a networking activity (on the Internet or on any other network) have one thing in common: They are running software that was designed for the activity ...
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