US operators may be increasingly enthusiastic about working with public cloud providers for their edge compute and enterprise strategies (see separate item), but even Verizon believes there is a clear line to be drawn between B2B applications, and their own network functions. For the foreseeable future, both Verizon and T-Mobile USA plan to keep their network functions and services, as those are virtualized, on private clouds – a resolution that may have been redoubled by the recent outages at Amazon AWS. This contrasts with new US MNO Dish, which plans to run its 5G RAN functions, at least in parts of its footprint, in the AWS public cloud. And AT&T has handed over its Network Cloud, which supports its 5G…