Common Cause Failure – why redundancy isn’t always enough
Redundancy is one of the most common ways of improving reliability. If one component fails, another can take over. Simple. Or is it? The effectiveness of redundancy depends on an important assumption: that the redundant elements fail independently. When that assumption is wrong, Common Cause Failure (CCF) can undermine the protection redundancy was intended to […] The post Common Cause Failure – why redundancy isn’t

