Full Title or Meme
For Identity Management a domain is a walled off collection of resources that can be preferentially accessed by members of the domain.
- The Domain Name System was the first attempt in the digital age to create a set of Identifiers that could be associated within a trusted domain. It was a binding between an alphabetic name and an IP address.
- The next step was to address individuals at one computer system using the mailto: scheme that is now universal for email address. The address that once identified a user at a computer, now identifies a user at a "domain" of computers.
- The next step for Identity Management was to create domains that were dedicated to identifying users like tom#hotmail.com.