Explore the fundamentals of Software Defined Networking (SDN) in this comprehensive 90-minute tutorial. Delve into automation origination points, SDN controllers, and the management of traditional networks versus those controlled by SDN. Examine the different network device planes and how SDN impacts the management, control, and data planes. Learn about imperative and declarative models in SDN, and understand how SDN controllers influence network design. Investigate controller-based SDN architectures, including underlay networks, overlay networks, and SDN fabric. Gain valuable insights into the evolution of network management and the transformative potential of SDN in modern networking environments.