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North American Network Operators Group

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RE: Followup British Telecom outage reason

  • From: Patrick Greenwell
  • Date: Thu Nov 29 01:52:26 2001

On Wed, 28 Nov 2001, Christian Kuhtz wrote:

>
> > I guess some time someone will realize routers are both
> > hardware, and software, and shock horror both, if done
> > well, can actually add value. [hint & example: compare the
> > scheduler on, say, Linux/FreeBSD, Windows 95 (sic),
> > and your favourite router OS (*); pay particular attention
> > to suitability for running realtime, or near realtime tasks,
> > where such tasks may occasionally crash or overrun their
> > expected timeslice; note how the best OS amongst the
> > bunch for this aint exactly great].
> >
> > (*) results may vary according to personal choice here.
>
> Don't use a non-realtime OS for something that you expect realtime or
> near-realtime OS functionality.  There are specific systems to address these
> kinds of needs with rather complicated scheduling mechanism to accomodate
> such requirements in a sensible manner.
>
> Is IOS a realtime operating system?  No.  Are any of the other listed OS
> realtime operating systems?  No.

Actually there are multiple Linux-based RTOSes.





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