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Windows® Small Business Server 2008: Administrator’s Pocket Consultant by Craig Zacker

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Understanding Domains

As noted earlier in this chapter, TCP/IP communication is based on IP addressing. Every packet transmitted over the network must have IP addresses identifying its source and its intended destination. Using numerical addresses, as TCP/IP does, is great for computers but not as good for humans. How would you like it if, whenever you wanted to access your favorite Web site, you had to remember a Uniform Resource Locator (URL) like http://192.168.43.181?

To make them easier for people to remember, TCP/IP networks use friendly names to refer to specific computers. Therefore, when you type a URL like http://www.adatum.com into your Web browser, the computer first converts the name to its equivalent IP address, and then sends an ...

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