Windows Server® 2012 Unleashed

Choosing an Internal Namespace

If desired or required by your organization, the namespace that the AD DS structure inhabits can be internal, or not published to the Internet. Using internal namespaces adds a layer of complexity to your network because user UPNs are different from their email addresses. However, the increase in security that is realized from this design is also a factor that leads organizations to choose this route. Another factor that might influence your decision to choose an Internet namespace is that you are no longer limited to the InterNIC standard namespaces of .com, .net, .biz, .info, and so on. For example, many organizations use the .internal namespace, or some other namespace that is not used on the Internet.

Keep in ...