Explore the elegance and importance of the Internet Protocol in this 26-minute episode of the backend engineering show. Delve into the necessity of IP addresses, the intricacies of routing, and how VPNs leverage the protocol's agnostic nature for traffic encryption. Gain insights into MAC addresses, scanning techniques, congestion notification, and the role of ISPs in the Internet ecosystem. Discover why the Internet Protocol is considered a beautiful and essential component that made the Internet possible.