Xref: utzoo comp.realtime:486 sci.space:17723
Path: utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!swrinde!ucsd!telesoft!rlk
From: rlk@telesoft.com (Bob Kitzberger @sation)
Newsgroups: comp.realtime,sci.space
Subject: Space Station (was: Realtime Unix?)
Keywords: time critical applications
Message-ID: <721@telesoft.com>
Date: 3 Mar 90 02:55:06 GMT
References: <2057@hydra.riacs.edu> <1990Feb28.163109.17440@me.toronto.edu>
Organization: TeleSoft, San Diego, CA.
Lines: 21

In article <1990Feb28.163109.17440@me.toronto.edu>, kokody2@me.utoronto.ca (Gerry Kokodyniak) writes:
> 
> It also appears that NASA will be using a realtime UNIX system (i.e. LYNX OS
> - a Sys V R 3.2 derivative with BSD features) for use on the space station
> (for whenever it comes into being). 

I've heard (sources secret ;-) that LYNX OS won't be used _everywhere_, i.e. 
there will still be embedded applications that will use non-UNIX executives.
Anybody know more on this?

Supposedly, NASA is planning on using Rate Monotonic Scheduling rather than the
more traditional Cyclic Executive on the Space Station.  

	.Bob.

-- 
Bob Kitzberger                  Internet : rlk@telesoft.com
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