Re: Who uses Ada??

[mcsun!news.funet.fi!network.jyu.fi!sakkinen@uunet.uu.net (Markku Sakkine]

In article <1992Nov6.182444.28936@lambda.msfc.nasa.gov> robichau@lambda.msfc.na
sa.gov writes:
>In <EMERY.92Nov6111557@Dr_No.mitre.org> emery@Dr_No.mitre.org (David Emery) wr
ites:
>
>>>the estimated difference in lifecycle cost (i.e. the total delta over
>>>the estimated 30-year life of a particular system) was $45 million
>>>HIGHER if Ada was the development language?
>
>>I'd very much like to see a reference/citation for this, as it flies
>>in the face of both deeply held religious beliefs and also most of the
>>available data (e.g.  Reifer studies, AFATDS preliminary data, etc).
>
>The prediction was for a somewhat higher startup cost (including
>retraining, buying expensive Ada compilers (as though there were any
>other kind), and so on), and I suspect what happened is what you
>wrote: the higher startup cost was iterated over the program lifetime.
> ...

Thus the whole estimate was bogus!
I.e. the people who made it did not understand (or believe) at all
that investing in better tools at the beginning will save costs
at later stages, not increase them.

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Markku Sakkinen (sakkinen@jytko.jyu.fi)
       SAKKINEN@FINJYU.bitnet (alternative network address)
Department of Computer Science and Information Systems
University of Jyvaskyla (a's with umlauts)
PL 35
SF-40351 Jyvaskyla (umlauts again)
Finland
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