SDN and NFVs are both very much alike and mostly work on the same premise. They are both cost-effective. Both leverage the concept of abstraction in their methods. Both allow users to interact with recourses and differ in some aspects.

SDN and NFVs are both very much alike and mostly work on the same premise. They are both cost-effective. Both leverage the concept of abstraction in their methods. Both allow users to interact with recourses and differ in some aspects.