RFC 822:STANDARD FOR THE FORMAT OF ARPA INTERNET ...
RFC-Ref

Addressing


Click on the red underlined text to get to the source

... Name-domains model a global, logical, hierarchical addressing scheme. The model is logical, in that an address specifica- ...
... The "top" of the domain addressing hierarchy -- a child of the root -- is indicated by the right-most field, in a domain specification ...
... transmission path that a message should follow. This is called source routing. The normal addressing scheme, used in an addr-spec, is carefully separated from such information; the <route ...


... Shoch, J.F. "Internetwork naming, addressing and routing," in Proc. 17th IEEE ...


... ROUTE ADDRESSING ...
... intended as a general syntax for indicating routing and/or hierarchical addressing. The current standard separates these specifications and only one at-sign is permitted. ...



Google
Web
RFC-Ref