There has been talk for some years about the opportunities that lie in combining mobile and edge infrastructure. High-performance edge nodes built out to support distributed virtualized RAN could also be leveraged by operators to offer enterprise services or improved quality of experience, and edge infrastructure close to cell sites could be a new business for neutral hosts along with towers, power and fiber. Texas start-up Vapor IO has been a prominent player in shaping this emerging picture, and its regular changes of direction, or expansions of its model, reflect the immaturity of the market. Its latest alliance is with the USA’s leading cable operator, Comcast, and reflects a shift from passive infrastructure partners such as tower operators towards active…