WebSocket Patterns
WebSocket patterns for real-time communication covering Socket.IO, native WebSockets, scaling, authentication, and production best practices.
- Difficulty
- intermediate
- Read time
- 1 min read
- Version
- v1.0.0
- Confidence
- established
- Last updated
Quick Reference
WebSockets: Persistent bidirectional connection. Use wss:// always. Socket.IO for fallbacks + rooms + namespaces. Authenticate on connection. Heartbeat for stale detection. Handle reconnection gracefully. Use Redis adapter for scaling. Validate all incoming messages. Rate limit events.
Use When
- Real-time features
- Chat applications
- Live notifications
- Collaborative editing
- Live dashboards
Skip When
- Simple request/response
- Infrequent updates
- SSE sufficient
WebSocket Patterns
WebSocket patterns for real-time communication covering Socket.IO, native WebSockets, scaling, authentication, and production best practices.