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Name System Issues, Concepts and Techniques
Name systems can be considered in
some ways the diplomats of the networking protocol stack.
Just as a political diplomat is skilled at speaking multiple language
and ensuring good communications between those who may view the world
in different ways, name systems bridge the gulf between the numeric
addresses that computers like to use, and the simpler names that humans
Before looking at specific name systems,
I felt it made sense to discuss them generally. This will help us understand
both the reasons why these systems are important, and also the concepts
that underlie all name systems regardless of specific implementation.
I begin this section with an overview of name systems and a discussion
of why they were created. I then discuss the different main functions
of a name system: the name space, name registration and name resolution.
I then expand upon this functional overview, illustrating how name spaces
and architectures work, the issues behind name registration and administration,
and finally, name resolution techniques and the practical issues in
the resolution process.
Since this is an introductory section,
I have attempted to stick to general descriptions and not make too many
mentions of specific name systems in the topics here. However, I like
to use examples to explain concepts and for this purpose do make reference
to the TCP/IP Domain Name System (DNS) at times. However, you do not
need to be familiar with DNS to follow this section.
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The TCP/IP Guide (http://www.TCPIPGuide.com)
Version 3.0 - Version Date: September 20, 2005
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