[TUHS] Microkernels (was: OS for IBM PC (was: Algol68 vs. C at Bell Labs))
Greg 'groggy' Lehey
grog at lemis.com
Fri Jul 8 09:36:46 AEST 2016
On Thursday, 7 July 2016 at 6:51:08 -0400, John Cowan wrote:
> Greg 'groggy' Lehey scripsit:
>> Tandem's Guardian was a microkernel, and a very successful one at
> I doubt if anyone knew or knows that who didn't work there.
I think so, though it wasn't high on the list of features. Nor should
it be. But the message system in particular (for communicating
between kernel processes) makes for a very interesting design. Adding
networking was as simple as extending the message system beyond the
local cluster, and Tandem was running an internal world-wide network
by the early 1980s. It makes an interesting (if not particularly
good) comparison with the Internet.
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