In recent weeks, we have seen several mobile operators investing in start-ups which could reduce the power of the established network and platform suppliers. In many cases, these are linked to open source efforts such as the Facebook-driven Telecom Infra Project (TIP), and are pursuing an entirely new cost base for mobile deployment. Orange and BT have both announced programs to incubate infrastructure start-ups and connect them to the TIP ecosystem, and now AT&T has unveiled similar plans – though these are connected to its own open source endeavors. AT&T has pledged $200m to a venture capital fund to support start-ups which are focused on solutions for global telcos, particularly related to ONAP (Open Network Automation Platform). ONAP is an…