Every Vista computer can have its own domain
With Microsoft having released Windows Vista to manufacturing, the computing industry is now busy preparing for the first major Windows desktop operating system upgrade in more than five years.
One of the new features of Vista that hasn't gotten much attention is Microsoft's new "Computer Name" feature, which extends Windows XP's Peer Name Resolution Protocol (PNRP) service. Simply put, Computer Name allows users to identify their machine by a unique name, rather than an IP address, from anywhere on the planet.
Full story: Arstechnica