XML by Example

Registering a Domain Name

If you are serious about XML development and you currently don’t have a

domain name, you might want to register one so you can identify your ele-

ments.

Indeed, because the URI identifies you as the owner of the namespace, you

cannot use somebody else's domain unless they have agreed to it. It would

not be appropriate, therefore, to use

http://www.mcp.com/myaddressbooks/1.0

as a URI (unless, of course, you work for Macmillan). Domain names are

not really expensive so I would advise you to take one.

The cost varies depending on the TLD. At the time of writing, a “.com”

domain costs $35 per year. Your ISP can register a domain name ...