Network functions virtualization (NFV) has unquestionably redefined the telecom infrastructure and services landscape in the past four years, with more changes yet to come. Thus, communications service providers (CSPs) are now well into defining migration strategies and even putting the final touches on commercial deployments. Still, as with any migration of this scale, several questions and even technology-based decisions are outstanding.

Accordingly, Heavy Reading, in conjunction with Mavenir, undertook the creation and execution of a detailed survey to assess progress, market timing, business, and technical drivers, and even challenges related to the virtualization of messaging services, the radio access network (RAN) and signaling control plane.