I often get asked the question: “I’m having my HFC network upgraded for DOCSIS 3.1, what KPI’s (Key Performance Indicators) should I put in my contract?” My first reply typically is: “Who pays the bill?” I do know it's the operator who will be paying the bill, but as always in technology, the right answer depends on many factors. In this blog I will clarify how some of the factors play an important role.