Deep Dive into TURN: Traversal Using Relays around NAT
This guide provides a comprehensive overview of TURN (Traversal Using Relays around NAT), the critical media relay protocol used when direct peer-to-peer connectivity fails. You will learn about TURN allocation lifecycles, data transport optimization via ChannelBind, integration with ICE, and best practices for securing production deployments. Practical configuration examples using Coturn demonstrate how to implement TURN in real-world VoIP and WebRTC environments.