3270 controller simulation
dave.g4ugm at gmail.com
Mon Nov 18 11:12:37 CST 2019
> -----Original Message-----
> From: cctalk <cctalk-bounces at classiccmp.org> On Behalf Of Grant Taylor via
> Sent: 18 November 2019 17:07
> To: cctalk at classiccmp.org
> Subject: Re: 3270 controller simulation
> On 11/18/19 9:42 AM, Dave Wade via cctalk wrote:
> > Yes the second. So it only works with SNA .
> I don't think DLSw being SNA only is a problem. I say this because I think DLSw
> requires TCP/IP connectivity. Thus you already have TCP/IP connectivity to the
The free VM370 does not support SNA so for that you would need to convert from SNA 3270 back to channel attached protocol...
... I suppose on reflection that’s do-able..
> > Yes its DLSw. Was demonstrated at the recent DEC Legacy event..
> Is it proper to say that SNA is the protocol that is carried across the DLSw over
> IP? Is it also what's carried over the SDLC?
> > No, I was thinking if you had an older mid-range box with no TCPIP...
> Okay.... I'm lost.
If you needed to get screens into a System/36 which has an SDLC port but no ethernet.
> If there's no Cisco box with Twinax and the host doesn't have TCP/IP, how are
> you going to connect things?
> SNA across Token Ring and / or Ethernet?
Real SDLC from the CISCO
> > This is where I miss the old IBM offerings cataloge
> pr0n :-)
Well mine seems to have banished. I wonder if my wife hid it on purpose.
> Grant. . . .
> unix || die
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