Dive into a comprehensive crash course on Software Defined Networking (SDN) using RYU and Mininet. Explore key concepts including SDN introduction, meter tables, flow management, and multi-controller setups. Learn to implement and test various network scenarios, such as VOIP, UDP with variable packet sizes and rates, TCP, and video streaming in SDN environments. Gain hands-on experience with practical applications like flowcount demos and OpenFlow concepts. Master the fundamentals of Mininet and RYU SDN controller through multiple in-depth tutorials, covering everything from basic setup to advanced implementations.