<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>I have found sources for the BBN stacks I believe. Could not figure out how to configure it and SIMH's emulation only speaks one protocol.<br><br>Sent from my iPhone</div><div><br>On Mar 12, 2016, at 14:33, Henry Bent <<a href="mailto:henry.r.bent@gmail.com">henry.r.bent@gmail.com</a>> wrote:<br><br></div><blockquote type="cite"><div><div dir="ltr">On 12 March 2016 at 17:09, Bill Cunningham <span dir="ltr"><<a href="mailto:billcun@suddenlink.net" target="_blank">billcun@suddenlink.net</a>></span> wrote:<br><div class="gmail_extra"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><u></u>
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<div style="font:10pt arial">----- Original Message ----- </div>
<div style="font:10pt arial;background:rgb(228,228,228) none repeat scroll 0% 0%"><b>From:</b>
<a title="clemc@ccc.com" href="mailto:clemc@ccc.com" target="_blank">Clem Cole</a> </div>
</span><span class=""><div style="font:10pt arial"><b>To:</b> <a title="billcun@suddenlink.net" href="mailto:billcun@suddenlink.net" target="_blank">Bill Cunningham</a> </div>
<div style="font:10pt arial"><b>Cc:</b> <a title="simh@trailing-edge.com" href="mailto:simh@trailing-edge.com" target="_blank">SIMH</a> </div>
<div style="font:10pt arial"><b>Sent:</b> Saturday, March 12, 2016 3:31
PM</div>
<div style="font:10pt arial"><b>Subject:</b> Re: [Simh] [SimH] Networking
support</div>
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<div>Bill,</div>
<div><br></div>
<div>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). </div>
<div> </div>
</span><div> 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.</div>
<div> </div>
<div>[...]</div>
<div><font size="2"></font> <br></div></div></blockquote></div></blockquote><div>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.<br><br></div><div>Are there any plans to support the PDP-11 IMP interface boards in SIMH, which would presumably then talk to the h316 simulator?<br></div><div><br></div><div>-Henry <br></div></div><br></div></div>
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