Rich Alderson <[email protected]> wrote:
> > On 27-Apr-15 14:56, Cory Smelosky wrote:
> >> ...This is getting absurd.  Just how many stacks exist?!
> > BBN had a TENEX stack.  Not sure if DEC's started with it.
> No.

Funny, I was going to say "yes".  ISTR the user interface was awful
(didn't use JFNs, so you needed to use special send/recieve calls).
My recall was that Kevin Paetzold wrote a wrapper around the BBN code
for the TCP: device.

I ripped off that code (from TCPTCP.MAC) to make a UDP: device
(UDPUDP.MAC), see ftp://ftp.ultimate.com/pdp10/bucs20-anon/udp/

Timothe Litt wrote:
> Of course once the KL got the KLNIA, ethernet was the way to go. 
> Cheaper, faster - and by then, the IMP was gone.

At Boston University we ran TOPS-20 5.3 (I think 5.2 had only the BB&N
interface), which also included a backport of "NI" support.
I remember a lot of BUGCHKs, tho most may have been in the ARP code.

The backbone in those days may well have still have been "net 10" (aka
the ARPAnet).  BU's initial real Internet connection was a "long
distance host" connection off an MIT IMP, onto a Sun.

ISTR (from when I was at DEC), TOPS-20 v6 supported the IMP, Ethernet
and even TCP over CI.
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