DECnet-RT (was RE: RTS-8)

[Paul_Koning at Dell.com]

>>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