7.1. Naming and directory servers
In general, a name server is anything that can accept a name and return some related information. There are many different naming services currently in use. Here are some typical examples.
DNS (domain name service): takes a hostname and provides an IP number. DNS servers are used by almost all computers that have Internet connections, to map hostnames onto IP numbers.
NIS (Network Information Service): takes the name of a user, group, or server and returns various information. NIS is a proprietary system widely used in Unix environments. An NIS server can supply information about the machines, users, and groups on a particular network.
LDAP (lightweight directory access protocol): takes a record identifier (technically ...
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