[SystemSafety] Comparing reliability predictions with reality

[Robert P Schaefer]

My claim is, this is a very difficult business to get right safely, consistently, and in such a manner that those who come after can learn from those who came before. Not so much standing on the shoulders of giants.

> On Feb 24, 2025, at 11:55 AM, Peter Bernard Ladkin <ladkin at causalis.com> wrote:
> 
> Dear me .......
> 
> On 2025-02-24 17:47 , Prof. Dr. Peter Bernard Ladkin wrote:
>> 
>> I have a colleague whose company produces, amongst other things, software-based sensors for industrial processes (chemical plants and so forth). In well over a decade of use, they have never had a software error manifest in any piece of this one particular kit. I'd say that's evidence. But it is also publicly available evidence.
> 
> What I meant to write is: that it is *not* publicly available evidence. I imagine it is available to legitimate assessors for clients under an NDA.
> 
> PBL
> 
> Prof. Dr. Peter Bernard Ladkin
> Causalis Limited/Causalis IngenieurGmbH, Bielefeld, Germany
> Tel: +49 (0)521 3 29 31 00
> 
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