As large operators in western Europe and Japan become increasingly enthusiastic about open network platforms such as Open RAN, it sometimes seems as though the US majors, which were early drivers of the disaggregated open platform, have become less supportive. However, judging by recent comments from AT&T and Verizon, that is not the case. Both are making significant progress in deploying RAN, core and transport networks based on white box hardware, edge computing and cloud-native architectures, and both expect this to start having a visible impact on their cost base and service agility from 2022 or 2023. But where they do diverge from the European giants like Vodafone and Orange is in having a lower focus on multivendor networks that…