Wasn't there some kind of issue with a leap second sending machines (Linux machines?) off the deep end years ago (and all about the same time)? Conceptually, if you're running a mix of OSs, then there's much less chance of something undiscovered wiping out your entire infrastructure.
There was a story I heard that when working on the avionics for one of their planes, Boeing mandated three separate CPU architectures, with the code developed by three different, isolated, teams, using three different toolsets (languages and runtimes) to minimize the risk of some Unknown Unknown commonality taking them all out. Dunno what actually happened. Could be completely folklore.
There was a story I heard that when working on the avionics for one of their planes, Boeing mandated three separate CPU architectures, with the code developed by three different, isolated, teams, using three different toolsets (languages and runtimes) to minimize the risk of some Unknown Unknown commonality taking them all out. Dunno what actually happened. Could be completely folklore.