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WebSockets: Building Real-Time Applications

Implement real-time features with WebSockets. Chat applications, live updates, and scaling strategies.

Rottawhite Team11 min readFebruary 10, 2025

WebSocketsReal-TimeSocket.IO

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.

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