Page 1 of 16 Network Functions Virtualisation An Introduction, Benefits, Enablers, Challenges & Call for Action OBJECTIVES This is a non-proprietary white paper authored by network operators. The key objective for this white paper is to outline the benefits, enablers and challenges for Network Functions Virtualisation (as distinct from Cloud/SDN) and the rationale for encouraging an international collaboration to accelerate development and deployment of interoperable solutions based on high volume industry standard servers.