It depends if you're talking about replicated databases, flip flops, hydraulics, or something else. (I'm currently writing about flip flops, so I'm interested i

It depends if you're talking about replicated databases, flip flops, hydraulics, or something else. (I'm currently writing about flip flops, so I'm interested in terminology for that case.) Wikipedia has some suggestions: https://en.wikipedia.org/wiki/Master/slave_(technology)#Terminology_concerns https://en.wikipedia.org/wiki/Master/slave_(technology)#Term... Also see the HN discussion: https://news.ycombinator.com/item?id=17954823 https://news.ycombinator.com/item?id=17954823