November 2006
Beginner
432 pages
5h 24m
English
Content preview from How the Internet Works, Eighth Edition
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Chapter 5. How Internet Addresses and Domains Work
The heart of how the Internet works is the Domain Name System (DNS), the way in which computers can contact each other and do things such as exchange email or display web pages. When someone on the Internet wants to contact a location—for example, to visit a website—he types in an address, such as www.metahouse.com. (A specific location on the Internet is also referred to as a uniform resource locator, or URL.) The DNS translates the plain English address, www.metahouse.com, into a series of numbers called an IP (for Internet Protocol) address. An IP address, such as 123.23.43.121, marks ...
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