XDN Architecture: Traditional CDNs Need Not Apply

Experience Delivery Networks (XDNs) offer a more advanced alternative to traditional Content Delivery Networks (CDNs) by enabling synchronized video content delivery across global clients, supporting various use cases like monitoring, auctions, and online learning. XDNs are designed to deliver real-time video streaming with end-to-end latencies below 500ms, ensuring scalability across regions, cloud platforms, and on-premise data centers, while maintaining resiliency and security. The architecture involves multiple nodes managed by load-balanced Stream Managers, which handle resource deployment, auto-scaling, and failover mechanisms, with a SQL database storing the network's state. Optional components like Mixers and Transcoders enhance functionality by mixing live streams and providing Adaptive Bit Rate (ABR) streaming, respectively. The network supports protocols such as RTMP, RTSP, SRT, and WebRTC for ingest and egress, with a robust stream authentication mechanism that uses Round Trip Authentication to ensure secure access. XDNs' ability to dynamically adjust deployment size based on load and replace faulty servers makes them a superior choice for reliable, secure video streaming experiences across a wide range of applications.

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