[TUHS] SYSV & TCP/IP on the VAX...

Larry McVoy lm at bitmover.com
Thu May 28 04:20:07 AEST 2009

I can verify that the lachman stack came from convergent.

On Wed, May 27, 2009 at 01:39:19PM -0400, Brian S Walden wrote:
> I seem to remember that for System V TCP/IP that you needed
> STREAMS first, so that was SVR3. It may have been back potred
> but I don't know. And after that, then you had a choice of
> Wollongong or Lachman implementations. Bell Labs had their own as well,
> but I believe that was only available internally. Amdahl UTS used
> Lachman (which I kind of remember might have been Convergent's code),
> but at Indian Hill it was removed and the home grown one put in.
> I don't know who did the kernel code, but the user land utilities
> were BSD ports done by Ralph Knag in Murray Hill. This was an
> interesting setup as it was System/370 hardware so it had a 
> channel to ethernet device from Spartacus, probably a K200 since
> there was a "k200" command to fiddle with it. I largely ignored
> TCP/IP initially as on the first UTS release, just telneting out of it
> used a ton of system CPU, something would loop in the kernel instead of
> going to sleep. Besides we had Datakit for interactive connectivity,
> and NSC HyperChannel for intra-datacenter file transfer
> (which I remember being something like 50mbs in 1987)
> For the original SVR4, the official porting base was the 3b2 and that
> group from Summit (which was later spun off as Unix Systems Laboraties
> (USL)) used Lachman as well for it's TCP/IP.
> > I was wondering if anyone had access to any SYSV for the VAX and could
> > say what levels support TCP/IP?
> > 
> > I put in a request at http://www.novell.com/licensing/ntap/legal.html
> > to see if they are even entertaining the sale of SYSV licenses... But
> > I kind of figure they don't have the actual material itself....
> > 
> > I know A/UX a SYSVr2.2 had TCP/IP but I don't know if it was in the
> > AT&T base, or if it was something that UniSoft had added...
> > 
> > Anyways thanks for any/all responses....
> > 
> > Oh and FWIW I've gotten a super minimal SYSIII thing booting on SIMH!
> > I've just have to work out some more disk formatting/restoring as the
> > root partition sizes don't agree between 32v & SYSIII....
> > 
> > Jason
> _______________________________________________
> TUHS mailing list
> TUHS at minnie.tuhs.org
> https://minnie.tuhs.org/mailman/listinfo/tuhs

Larry McVoy                lm at bitmover.com           http://www.bitkeeper.com

More information about the TUHS mailing list