AT&T will certainly not be the only telco considering whether and when to move its networks to a public cloud (see above). Whichever decision they make about the infrastructure itself, they will need to decide on their approach to the cloud infrastructure platform, and that will mean introducing new vendors into their supply chains. The traditional equipment suppliers are busily developing their cloud-native offerings and underlying infrastructure platforms, but there are plenty of new names joining the telco party too. Mirantis has scored at AT&T, Reliance Jio and other operators, while the UK’s incumbent, BT, has given Canonical a big boost in the 5G game. The company is starting to plan the cloud-native 5G core it intends to deploy in…