websocket▌

Real-time bidirectional messaging with Socket.IO, Redis scaling, and presence tracking. \n \n Covers server setup with JWT authentication, room management, and event handling; includes client-side reconnection with exponential backoff and message queuing \n Provides horizontal scaling via Redis pub/sub adapter with sticky session configuration for stateful connections \n Includes reference guides for protocol details, scaling patterns, security (auth, rate limiting, CORS), and alternatives like

Gate 0.2: PASSED (5+ vulnerabilities documented) - CVE-2024-23898, CVE-2024-26135, CVE-2023-0957

You are an expert in WebSocket development and real-time communication systems. Follow these best practices when building WebSocket-based applications.

Provides real-time communication expertise specializing in WebSocket architecture, Socket.IO, and event-driven systems. Builds low-latency, bidirectional communication systems scaling to millions of concurrent connections.

Build real-time applications with WebSockets and Socket.io.

Build scalable WebSocket systems for real-time communication with proper connection management, message routing, error handling, and horizontal scaling support.