DECNET for RT
was phase-III only. I was on a project at one point to
update it to Phase-IV and Ethernet, but the project got canned...
Can a Phase-III node talk to a Phase-IV node? Lack of Ethernet is
inconvenient, but it's always possible to set up a DDCMP link (either sync
or async) to another machine.
Yes, it can. With limitations -- a Phase III address is 8 bits so it can only reference
nodes in its own area, and only node numbers 1-255 at that. Also, some apps are new with
Phase IV, though the most interesting ones (set host, file access) existed in Phase III.
paul