> On Jul 17, 2016, at 10:41 AM, Paul Koning <paulkon...@comcast.net> wrote: > > >> On Jul 16, 2016, at 6:56 PM, Antonio Carlini <a.carl...@ntlworld.com> wrote: >> >> ... >> The specs were (and are) freely available. (I'm not 100% sure that they were >> free-as-in-beer back then, but they are now). > > I assume you had to pay for the cost of printing. They could be freely > reproduced, though, it says so explicitly. > >> There was at least one implementation for Linux and (I think ...) another >> for Solaris. cisco also supported DECnet in some of >> their switches. > > Yes, and for that matter, there was a commercial non-DEC DECnet, by Stuart > Wecker I think -- he was involved with DDCMP way back when. > That was Technology Concepts Inc, Sudbury MA. Sometime around 1984 I almost left DEC to join TCI but then had a change of heart. Sun’s DECnet implementation was either done by TCI or based on their code.
>> ... >> (I'm assuming that Phase II existed at some point before Phase III, which >> definitely did exist. I also >> assume that Phase I only acquired that designation once Phase II appeared!) > > I suppose so. Rumor had it that Phase I only existed on RSX, but it appears > that there was a PDP-8 implementation as well. Phase II was implemented on > lots of DEC systems, from TOPS-10 to RT-11 to RSTS/E. My initial involvement > with DECnet was as the DECnet/E kernel guy, upgrading DECnet/E from Phase II > to Phase III. > I worked at a customer site in Sweden which consisted of a pair of 11/40’s running RSX-11D and DECnet Phase I. I’m pretty sure that Phase I only ran on 11D in the RSX family. John. > paul >