Creating a Global WebRTC Solution Using Elixir and Kubernetes

The article discusses the challenges of creating scalable, globally distributed WebRTC services and the motivation behind such efforts, specifically regarding performance, availability, and privacy. It highlights the advantages of utilizing Elixir WebRTC for real-time applications due to its scalability, fault tolerance, and distributed communication features. The blog guides the reader through setting up a modified live streaming application called Broadcaster across Kubernetes clusters located in Germany, Singapore, and the US West Coast. Key steps include using STUNner for TURN services and Cilium Cluster Mesh for efficient cross-cluster communication. Additionally, it explains the significance of adopting WHIP and WHEP protocols to simplify media streaming processes. The article concludes with testing the system to ensure it meets performance metrics and provides a seamless streaming experience across different locations.