
208 Chapter 3—DNS for IPv6
3.2 Basics of DNS Definitions and Protocols
This section provides some basic background to help understand the later discussion in this
chapter. It explains fundamental concepts of the DNS, which are not specific to IPv6, so that
those who are not familiar with the DNS can better understand the rest of this chapter. To
understand the DNS in more detail, other materials cited in the text are recommended. Beginners
may also want to consult general guides about the DNS such as [Liu06].
3.2.1 DNS, Domains, and Zones
DNS is a global database system which provides a mapping from a host name
1
(such as
www.kame.example) to an IP address ...