IMP system software

30 Sep 2009

Brad Parker wrote:
...
  Seth Morabito wrote:
  I think I asked about this several years ago, but
I thought I might 
 try my luck again.

 Is anyone aware of any surviving ARPAnet IMP System Software, in any 
 form?  I'm working on a radio with some folks from BBN.  I'll ask them.

 Any idea what is was built on? 
DDP-516

http://en.wikipedia.org/wiki/Interface_Message_Processor

even surviving binary downloads would be interesting.

I have been told that BBN handled the downloads over the net, and that
local nodes didn't maintain copies of the software.