With $47.5mn raised since its foundation in 2014, FogHorn is one of the better endowed start-ups specializing in the fast-growing field of industrial edge computing. It takes its name from Fog Computing, a term coined a little earlier by Cisco to describe processing in a layer between the enterprise or consumer and the cloud. This area attracted a new breed of start-up, but mostly still with an emphasis on bringing data into the cloud where possible so that enough affordable resources could be brought to bear upon it. This led FogHorn’s co-founder and CEO David King to decry such technologies as being little more than glorified store-and-forward mechanisms. Although some do more than that, this deficiency in many approaches has…