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From: Vinzent Hoefler <ada.rocks@jlfencey.com>
Newsgroups: comp.lang.ada
Subject: Re: Ariane5 FAQ
Date: Mon, 21 Jul 2003 21:13:43 +0200
Organization: JeLlyFish software
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Date: 2003-07-21T21:13:43+02:00
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Hyman Rosen wrote:

>Vinzent Hoefler wrote:
>> Let me try an analogy: If you take the brake controller software from
>> one car and put it in a different one, what *reason* makes you believe
>> it would work properly?
>
>But it wasn't just the software. The inertial reference system
>hardware was taken unchanged from the Ariane 4 to the Ariane 5.

Ok, so change the entire brake controller. ;-) What reason makes you
think, it will work?

>While it turned out in retrospect that there were reasons why
>the software which worked in the Ariane 4 did not work in the
>Ariane 5, that is a far, far cry from saying that "there were
>no reasons to expect that it should work for this new rocket."

Well, so I ask again, *which* reasons were that? I see none, besides
the good belief, it won't go wrong.


Vinzent.