[This is an edited version of an article that originally appeared in Riot’s sister publication Wireless Watch, which focuses on wireless evolutions.] As outlined in a previous article, some of the most critical decisions mobile operators will be making as they prepare for the 5G era concern the edge are: How reliant will their business model be on services that are focused on edge-enabled capabilities, such as very low latency or personalization? Will they invest in edge cloud infrastructure themselves or use a third party’s? How far should edge nodes be integrated or collocated with network elements like base stations or central offices? How can they build up a developer ecosystem, and will this involve cooperation or competition with web-scale…