What is NFV, SDN, Virtual Networks, Docker, Kubernetes and Overlay Networks?

Chuck's Python course: (Discounted at $10): https://bit.ly/2lsDZeo Chuck's SDN book: https://amzn.to/2lCp6WN Chuck's SDN Startup: http://www.tallac.com Connect with Chuck on LinkedIn here: / chuck-black-1017676 Connect with David on LinkedIn here: /...