This chapter attempts to answer an important question: How do you virtualize a network? Before attempting an answer, though, it’s a good time to take a step back and answer a couple of “big” questions, such as:
What exactly is network virtualization, and how does it relate to the virtualization covered so far in this book?
How does network virtualization fit into the grand scheme of network functions virtualization (NFV) and software-defined networking (SDN)?
Once we answer these questions, it’s much easier ...