With ECOMP, AT&T and Amdocs have scored significant points in the race to drive standards telco virtualization. The software – for management and orchestration (MANO) of virtualized networks – has been placed into open source, as promised last year, with Bell Canada and Orange as its other service provider backers. But leadership in the standards for this enormously strategic piece of software – likened by AT&T SVP Chris Rice to the significance of Linux in computer operating systems – will not be won unchallenged. AT&T has played a strong hand by opening up the platform it developed with Amdocs at such an early stage. However, there are two other major open source projects in the MANO field, the OpenStack-based Open-O…