While operators score quick points by deploying 5G base stations alongside their existing 4G cores, the really tough migration challenges will come when they move to a full 5G Standalone solution, with a cloud-native 5G core. For many fixed/mobile operators, this will also be the trigger to start implementing a converged core to improve flexibility and resource efficiency across all their networks, but that will add another layer of complexity to the migration effort. But others will put the convergence elements in place first, including the cloud infrastructure, and then deploy a single cloud-native core on top. This is the approach taken by UK incumbent BT, which has turned to Juniper to help deliver its Network Cloud infrastructure plan to…