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WebSockets: Building Real-Time Applications
Implement real-time features with WebSockets. Chat applications, live updates, and scaling strategies.
Ankit 11 min readFebruary 10, 2025
Real-Time Communication
WebSockets enable bidirectional, real-time communication.
WebSocket Basics
- Full-duplex communication
- Persistent connection
- Low latency
Use Cases
- Chat applications
- Live notifications
- Real-time dashboards
- Multiplayer games
- Collaborative editing
Implementation
Server
- Socket.IO
- ws library
- Server-Sent Events alternative
Client
- Native WebSocket API
- Socket.IO client
- Reconnection handling
Scaling
- Redis adapter
- Sticky sessions
- Horizontal scaling
Conclusion
WebSockets are essential for building engaging real-time experiences.
WebSocketsReal-TimeSocket.IO
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