The emergence of open source platforms for virtualized networks is an important trend in carrier deployments, but it does not necessarily make their digital programmes easier to implement. Operators like BT have said it is far more expensive to deploy open systems because of the increased need for skills – inhouse or consultants – to address the complexity, fragmentation, and sometimes immaturity of the code. This presents a clear opportunity for software companies which can shield operators from these complexities and provide turnkey solutions in crucial areas like virtual network MANO (management and orchestration), based on open foundations but with the various elements pre-packaged, tested and customized for the operator’s requirements. The idea of MANO as-a-service is becoming attractive, then.…