[Simh] HSC vs UDA/QDA

[Paul Koning]

> On Mar 9, 2017, at 12:15 PM, Mark Pizzolato <Mark at infocomm.com> wrote:
> 
> On Wednesday, March 8, 2017 at 11:50 PM, Johnny Billquist wrote:
>> ...
> 
> When Matt Burke initially was working on this, I believe that we talked briefly
> about extending sim_ether to support packet delivery across IP multicast.  
> With that model, all of the systems connected to a particular star coupler 
> would use the same multi-cast group.  I think that DEC may have done 
> something very similar to this when they implemented LAVC.  Several 
> independent Local Area VAX Clusters can certainly coexist on the same 
> LAN without interference.

No, LAVC is an Ethernet based protocol (it sits directly on top of Ethernet).  No routing layer, IP or otherwise.

You could tunnel it over Johnny's bridge protocol, of course.

	paul