[HECnet] DECnet-RT?

[Oleg Safiullin]

DECnet/RT v1.0 SPD :)

http://www.bitsavers.org/pdf/dec/spd/10.72.01_7802_DECnet-RT.pdf

On 28-Mar-2020 09:58, Chuck Guldenschuh wrote:
> I THINK that DECnet RT had DMC-11 support in it. The Phase III support was going in after I left the RT group.  It was certainly the right time frame for it.
> 
> Chuck
> 
> On 3/27/2020 20:46, Johnny Billquist wrote:
>> On 2020-03-28 01:29, Paul Koning wrote:
>>>
>>>
>>>> On Mar 27, 2020, at 7:50 PM, Johnny Billquist <bqt at softjar.se> wrote:
>>>>
>>>> On 2020-03-27 16:47, Robert Armstrong wrote:
>>>>>> Paul Koning <paulkoning at comcast.net> wrote:
>>>>>> As a Phase III node it would be DDCMP only ...
>>>>>> I don't remember if it supports any synchronous interfaces ...
>>>>>    There are no device drivers included with RT11 for anything that I
>>>>> recognize as a synchronous interface, so I would assume it only supported a
>>>>> standard asynchronous serial port.
>>>>
>>>> That don't necessarily mean much. With RSX, DECnet has its own device drivers.
>>>
>>> I should have remembered that.  No idea if that applies to RT-11. RSTS is different: it uses the standard device drivers, but with some additional I/O request function codes.  DMC use direct by applications was always supported.  I'm not sure if 
>>> application use of Ethernet was supported, or whether it works (and if not, how hard that would be to fix).
>>
>> One "annoying" thing with DECnet under RSX is that this means you must have a separate controller for serial ports if you want to talk DECnet on any, and use others as normal terminal ports, since they cannot co-exist on the same controller. Either the 
>> DECnet device driver manages the controller, or the TTDRV device driver manages it. All ports goes to one usecase or the other. Mixing is not possible...
>>
>>   Johnny
>>