From: Ken Garlington <kennieg@flash.net>
Subject: Re: Critique of Ariane 5 paper (finally!)
Date: 1997/09/02
Date: 1997-09-02T00:00:00+00:00 [thread overview]
Message-ID: <340CAAEE.1971@flash.net> (raw)
In-Reply-To: 3406BD95.1E347F0@stratasys.com
Jeff Kotula wrote:
>
> Ken Garlington wrote:
>
> > Jeff Kotula wrote:
> > >
> > > Robert Dewar wrote:
> > >
> > > > <<I think one of the primary differences between correctness and
> > > > reliability is
> > > > that the former can be defined crisply while the latter cannot.>>
> > > >
> > > > No, I disagree, these are completely different qualities, they are
> >
> > > > related,
> > > > but as I said earlier, you can have reliable programs that are not
> >
> > > > correct, and correct
> > > > programs that are not realiable.
> > [snip]
> > More to the point, it is critically important not to confuse these
> > attributes, since they (as Dr. Dewar has noted) are not synonyms.
>
> I never said they were the same thing (see my orginal post included
> in above. I only said that one could be quantified more easily
> than the other.
Which is also not true. Quantitative software reliability models have
been around for many years.
In fact, "correctness" (depending upon your definition) can be much
harder to _quantify_ (assign a number) than "reliability"!
next prev parent reply other threads:[~1997-09-02 0:00 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
1997-08-03 0:00 Critique of Ariane 5 paper (finally!) Ken Garlington
[not found] ` <dewar.870870888@merv>
[not found] ` <33E8FC54.41C67EA6@eiffel.com>
1997-08-07 0:00 ` Juergen Schlegelmilch
1997-08-07 0:00 ` Ken Garlington
1997-08-07 0:00 ` Ken Garlington
[not found] ` <33EB4935.167EB0E7@eiffel.com>
1997-08-08 0:00 ` Bertrand Meyer
1997-08-08 0:00 ` Ken Garlington
1997-08-08 0:00 ` Ken Garlington
1997-08-11 0:00 ` Bertrand Meyer
1997-08-12 0:00 ` Robert Dewar
1997-08-13 0:00 ` Samuel Mize
1997-08-13 0:00 ` Ken Garlington
[not found] ` <33F22AD8.41C67EA6@eiffel.com>
1997-08-13 0:00 ` Bertrand Meyer
1997-08-13 0:00 ` Ken Garlington
[not found] ` <33F28DBF.794BDF32@eiffel.com>
1997-08-13 0:00 ` Bertrand Meyer
1997-08-15 0:00 ` Ken Garlington
1997-08-15 0:00 ` Jon S Anthony
1997-08-16 0:00 ` Ken Garlington
1997-08-14 0:00 ` Samuel Mize
1997-08-15 0:00 ` Thomas Beale
1997-08-15 0:00 ` Samuel Mize
1997-08-15 0:00 ` Bertrand Meyer
1997-08-15 0:00 ` Jon S Anthony
1997-08-16 0:00 ` Ken Garlington
1997-08-14 0:00 ` Jon S Anthony
1997-08-14 0:00 ` geldridg
1997-08-14 0:00 ` Matthew Heaney
1997-08-14 0:00 ` Bertrand Meyer
1997-08-15 0:00 ` Jon S Anthony
1997-08-14 0:00 ` Robert S. White
1997-08-15 0:00 ` Ken Garlington
1997-08-16 0:00 ` Robert Dewar
1997-08-13 0:00 ` Bertrand Meyer
1997-08-13 0:00 ` Ken Garlington
1997-08-16 0:00 ` Robert Dewar
1997-08-17 0:00 ` Bertrand Meyer
1997-08-19 0:00 ` Ken Garlington
1997-08-20 0:00 ` Robert Dewar
1997-08-21 0:00 ` Thomas Beale
1997-08-21 0:00 ` Robert Dewar
[not found] ` <33FD8685.AAAE3B4F@stratasys.com>
1997-08-22 0:00 ` Robert Dewar
[not found] ` <3401811D.1700E7BE@stratasys.com>
1997-08-25 0:00 ` Jon S Anthony
1997-08-29 0:00 ` Ken Garlington
1997-08-29 0:00 ` Jeff Kotula
1997-09-02 0:00 ` Ken Garlington [this message]
[not found] ` <33FE8732.4FBB@invest.amp.com.au>
1997-08-26 0:00 ` Nick Leaton
[not found] ` <33FFA324.4DB9@flash.net>
[not found] ` <34013F3E.27D4@invest.amp.com.au>
1997-08-29 0:00 ` Ken Garlington
1997-08-23 0:00 ` Ken Garlington
1997-08-20 0:00 ` Robert Dewar
[not found] ` <33FB3B29.41C67EA6@eiffel.com>
1997-08-20 0:00 ` Bertrand Meyer
[not found] ` <5tv9cs$85q@nntpa.cb.lucent.com>
[not found] ` <340341CA.2F1CF0FB@eiffel.com>
1997-08-27 0:00 ` Samuel Mize
1997-08-29 0:00 ` Ken Garlington
1997-08-21 0:00 ` W. Wesley Groleau x4923
1997-08-22 0:00 ` Bertrand Meyer
1997-08-22 0:00 ` W. Wesley Groleau x4923
1997-08-16 0:00 ` Robert Dewar
1997-08-11 0:00 ` Don Harrison
1997-08-09 0:00 ` Marinos J. Yannikos
-- strict thread matches above, loose matches on Subject: below --
1997-08-21 0:00 aek
[not found] ` <33FC66AD.9A0799D4@calfp.co.uk>
1997-08-22 0:00 ` Robert S. White
1997-08-22 0:00 ` Samuel Mize
1997-08-22 0:00 ` Samuel Mize
1997-08-23 0:00 ` Ken Garlington
[not found] ` <33FFA4B1.3543@flash.net>
1997-08-26 0:00 ` Nick Leaton
[not found] ` <3406BEF7.2FC3@flash.net>
[not found] ` <3406E0F7.6FF7ED99@calfp.co.uk>
1997-09-02 0:00 ` Ken Garlington
1997-08-22 0:00 Critique of Ariane 5 paper (finally) AdaWorks
1997-08-22 0:00 Critique of Ariane 5 paper (finally!) Marin David Condic, 561.796.8997, M/S 731-96
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