[Info-vax] An alternative history of computing

Arne Vajhøj arne at vajhoej.dk
Fri Jul 23 21:18:09 EDT 2021


On 7/23/2021 6:09 PM, Robert A. Brooks wrote:
> On 7/23/2021 2:59 PM, Simon Clubley wrote:
>> When VSI was deciding on the priority order for porting the various
>> layered and other products, DECnet was popular enough that VSI had
>> to move porting of DECnet Phase IV way up the priority list. :-(
> 
> DECnet Phase IV is tiny compared to DECnet Phase V, and was much
> easier to port.
> 
> The port of Phase V is ongoing.

My guess is that there is a lot of code and DCL out there
that require DECnet but relative little that require DECnet
phase V.

When DECnet phase V finally arrived then the world had switched
to TCP/IP.

So DECnet phase IV will be enough for most DECnet users.

Arne





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