The steady move of the telecoms industry towards open source – in software and even hardware – will be challenging for companies which have traditionally turned their inventions directly into revenues and differentiation. One approach is the classic ‘Red Hat’ one of building paid-for added value software and services on an open foundation. Another is to harness an open source platform to become a systems integrator. This is being pursued both by Amdocs in management and orchestration (MANO) of virtualized networks, thanks to its work with AT&T on developing ECOMP, the telco’s software which is now the basis of the open source ONAP (Open Networking Automation Protocol). It is also the route taken by Radisys, once best known for protocol…