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websocket-engineer

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Use when building real-time communication systems with WebSockets or Socket.IO. Invoke for bidirectional messaging, horizontal scaling with Redis, presence tracking, room management.

When to use

• bidirectional messaging
• horizontal scaling with Redis
• presence tracking
• room management
• real-time communication systems
• WebSocket server implementation
• Socket.IO configuration
• pub/sub architecture

When not to use

• SSE
• long polling
• HTTP traffic spikes

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