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Understanding the Internet: A Clear Guide to Internet Technologies by Keith Sutherland

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Chapter 3

DNS (Domain NameSystem)

Computer Names

We have seen that the confusing, numerical, addresses by which computers identify each other have be “humanised” is some way. The most straightforward way was to use a simple name for the computer. This is the method used by the NetBIOS system. This NetBIOS name, although simple, is based around an underlying process which is quite inefficient – especially for larger networks. We need to have another scheme that works better for these larger systems.

This naming system for larger networks was developed specifically for the Internet, which means it is efficient for large groups of computers and that it can be used as these networks grow even larger. Using this system a small company could implement ...

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