WebRTC Patterns

When to Activate

• Building real-time audio/video calls (1:1 or group)
• Implementing screen sharing
• Building a live streaming feature with low latency (<500ms)
• Choosing between P2P, SFU (LiveKit, Mediasoup), or MCU architectures
• Deploying TURN servers for NAT traversal
• Designing WebRTC signaling with WebSocket
• Debugging ICE connection failures or poor video quality

WebRTC Core Concepts

WebRTC is a browser/native API for peer-to-peer real-time audio, video, and data. Three core APIs: