04-15-2007, 11:49 PM
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#2 (permalink)
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Lover - Protector - Teacher
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Not specific to tfproject, but a good guide at howstuffworks.com:
http://computer.howstuffworks.com/question180.htm
Quote:
A name server translates a name to an IP address. When you type a URL like http://www.howstuffworks.com into your browser, the browser contacts its default name server and asks, "Have you ever heard of www.howstuffworks.com?" If this is the first time the name server has heard of www.howstuffworks.com, it finds the .com name server and asks if it knows of the name server handling howstuffworks.com. If so, your name server connects to the name server for howstuffworks.com and asks it about www.howstuffworks.com. If the HowStuffWorks name server has a listing for the www prefix, it returns the IP address for "www.howstuffworks.com" and your browser connects to that IP address.
If you are thinking about creating a Web site and are looking for a company that can reserve your domain name or host your site, see this Question of the Day for information on the entire process!
The network administrator for the domain "howstuffworks.com" is in charge of mapping the names in the howstuffworks.com domain to specific machines and their IP addresses. In many large companies, there will be different machines (with different IP addresses) handling WWW, FTP, Telnet and other traffic. On smaller sites, the same machine can handle everything.
The network administrator makes a list of names and IP addresses, like this:
* www.howstuffworks.com - 242.128.34.54
* ftp.howstuffworks.com - 242.128.34.73
The administrator can put anything in that list, because the name servers don't care. The administrator could put in scooby.howstuffworks.com, scooby.doo.howstuffworks.com and scooby.dooby.doo.howstuffworks.com, and when someone types in those names the name server will return the IP addresses associated with them.
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"I'm typing on a computer of science, which is being sent by science wires to a little science server where you can access it. I'm not typing on a computer of philosophy or religion or whatever other thing you think can be used to understand the universe because they're a poor substitute in the role of understanding the universe which exists independent from ourselves." - Willravel
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