What Is SDNFV & Why Should You Use It?
Industry perspectives on the relationship between network functions virtualization (NFV) and software-defined networking (SDN) are evolving, and for the better. NFV has long been championed by telcos as a way first to reduce capex by eliminating proprietary appliances, and more recently as the key to virtualizing much of their operations. SDN was described as orthogonal and complementary, but not essential for NFV; neither SDN nor NFV depended on the other.