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by uxcn 3917 days ago
I have seen systems that ran on hardware as old as DEC VAXs as late as 2008, but I'm not sure the reason behind not transitioning was risk aversion.

Regardless, there aren't formal controls in place. Otherwise issues like Knight Capital [1] wouldn't have happened.

[1] https://en.wikipedia.org/wiki/Knight_Capital_Group#2012_stoc...