[Simh] [SimH] Networking support

[Henry Bent]

On 12 March 2016 at 17:09, Bill Cunningham <billcun at suddenlink.net> wrote:

>
>
> ----- Original Message -----
> *From:* Clem Cole <clemc at ccc.com>
> *To:* Bill Cunningham <billcun at suddenlink.net>
> *Cc:* SIMH <simh at trailing-edge.com>
> *Sent:* Saturday, March 12, 2016 3:31 PM
> *Subject:* Re: [Simh] [SimH] Networking support
>
> Bill,
>
> You probably need to date things a little and get a some perspective of
> where a few of us are coming.   Just to set a few lines in the sand.  While
> 3Mb/s "xerox" ethernet has been around for about 5 years, the
> DEC/Intel/Xerox Ethernet 10Mb/s spec was published Sep 30, 1980.   Per RFC
> 801, Arpanet was not officially schedule to switch from the old NCP to IP
> until Jan 1, 1983 (although a number of folks like me had been working with
> what would become IP/TCP for 3-4 years before that).
>
>     Oh Wow. I have always been told Jan 1st 1981 and they went from "Link
> Control Protocol" to TCP/IP. Must've been wrong then somebody was.
>
> [...]
>
> Looking over RFC 801, it mentions a number of TCP/IP implementations.
Does anyone know if source has survived for the BBN ones for Unix v6 and
4.1BSD?  Or the DCEC one, which I've never heard about?  I'm very
interested in bringing up TCP/IP support on historic versions of Unix.  I
have both ARP and non-ARP versions of 4.1C BSD running with a backported
DEUNA driver, but these would be even older than that.

Are there any plans to support the PDP-11 IMP interface boards in SIMH,
which would presumably then talk to the h316 simulator?

-Henry
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