Archives For n version software

Tweedle Dum and Dee (Image source: Wikipedia Commons)
How do ya do and shake hands, shake hands, shake hands. How do ya do and shake hands and state your name and business…

Lewis Carrol, Through the Looking Glass

You would have thought after the Leveson and Knight experiments that the  theory that independently written software would only contain independent faults was dead and buried, another beautiful theory shot down by hard cold fact.  But unfortunately like many great errors the theory of n-versioning keeps on keeping on (1).
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