Real-Time Chat App
A real-time messaging application with private and group chat, file sharing, read receipts, and typing indicators. Supports WebSocket connections for instant message delivery.
The Goal
Create a messaging platform that delivers messages instantly with support for rich media, group conversations, and real-time presence indicators.
The Challenge
Managing thousands of concurrent WebSocket connections while keeping memory usage low and ensuring message ordering consistency across distributed servers.
The Result
Handles 5,000+ concurrent connections with <50ms message latency. Users send an average of 200 messages per day with 99.8% delivery success rate.
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