The motivation for large operators to join groups like Telecom Infra Project is to open up the mobile network ecosystem, giving them access to a more competitive and innovative vendor landscape; reducing reliance on a few OEMs, and the risk of lock-in; and driving down cost dramatically ahead of 5G. It is clear that operator pressure, the entry of suppliers and practices from more open ecosystems like WiFi, and the new mechanisms to support start-ups, will all help to change the norms of the mobile industry. But if the large vendors adapt quickly enough, and agree to support the new open interfaces, disaggregated architectures and cost levels, will the world really be any easier for start-ups and independent suppliers? The…