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Posted by CH on Wed Nov 19 02:49:05 2003, in response to Re: MVM's Run Windows (2 Pics ~170k),
posted by aem7 on Mon Nov 17 13:41:01 2003.
but also safety critical things like traction motor power control, and signalling system on MNCW. Yes, signalling system -- despite MS's claim that NT is "not a real time operating system".
Strictly speaking, signalling isn't a real time problem. 'Real time' is usually defined as dealing with processes that require subsecond timing and/or determinstic response times. Signalling doesn't really require either: it doesn't matter all that much if an interlocking takes a few more seconds here and there to clear a routing.
Microsoft software is, of course, entirely unsuited to vital tasks (which signalling most certainly is) because of reliability and stability problems.
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