As telcos mull their strategies for integrating edge compute into their sites and networks, a US start-up, Vapor IO, is in the vanguard. The company has a roadmap to build large numbers of small data centers to deploy edge compute resources on mobile operators’ cell sites. This approach would help MNOs to take a key role in the edge services value chain, providing sites and data services as well as just connectivity. Vapor IO has raised a large Series C round of financing to accelerate its deployments, which are backed by US towerco Crown Castle, among others. It did not reveal the exact size of the funding round, but hinted it was more than $100mn. It did reveal that it…