Randy Bush writes: > >> The address *is* a valid identifier in the IP architecture. > > Er, um, well of an interface maybe. But what you > > really want is a host identifier, which is the source > > of lots of trouble... > > want != have > > and keith is trying to focus on the pragmatic reality Well, the pragmatic reality is to avoid using IP addresses as substitutes for endpoint identitifiers. Or maybe that's not pragmatic, but tough noogies; using IP addresses as endpoint identifiers is sloppy and generally a bad idea. Mike