| | RFC 871 |
 | | RFC 871 September 1982 hierarchy the addressing entities are divided into assigned and unassigned sets, and the distinction has proven to be quite useful to networking researchers in that it confers upon them the ability to experiment with new functions without interfering with running mechanisms. |
 | | RFC 871 September 1982 intended sphere of description into the realm of prescription, where we believe it should not be, if for no other reason than that for a reference model to serve a prescriptive role levies unrealizable requirements of precision, and of familiarity with all styles of operating systems, on its expositors. |
 | | RFC 871 September 1982 purposes, we do not cite the presentation of a datagram mode interface as a design constraint because it is possible--albeit undesirable--to operate IP "on top of" a comm subnet which does not present such an interface. |
| www.ictp.trieste.it /~radionet/nuc1996/ref/rfc/rfc871.htm (6160 words) |