RFC 4085:Embedding Globally-Routable Internet Addr...
RFC-Ref

anycast


Click on the red underlined text to get to the source

... Internet and are likely to remain in use for years to come. As such, the University of Wisconsin, with the cooperation of NetGear, will build a new anycast time service that aims to mitigate the damage caused by the misbehavior of these flawed routers ...



Google
Web
RFC-Ref