[01 // The Problem]
Browser meetings need reliable peer coordination, secure room state, and graceful handling of changing networks without native plugins.
[02 // The System]
React SPAClient interface
→
WebRTC / Socket.IOReal-time transport
→
Node.jsSignaling & state
→
MongoDBPersistent records
[03 // The Build]
- 4+ concurrent participants per room
- 12+ real-time system flows and socket event handlers
- Screen sharing, chat, file sharing and host moderation
- JWT authentication and duplicate-session protection
- Sub-second peer connection setup
- Deployed across Vercel, Render and MongoDB Atlas
WebRTCSocket.IOReactNode.jsMongoDB
[04 // Engineering Notes]
Note // 001
ChallengeSynchronizing real-time room state across multiple peers.
DecisionServer-authoritative Socket.IO event architecture.
TradeoffSmall signaling overhead for predictable consistency.
Note // 002
ChallengeKeeping calls usable across changing network conditions.
DecisionWebRTC negotiation with STUN/TURN fallback.
TradeoffRelay bandwidth cost in return for higher connectivity.
[05 // Result]
4+ peers
12+ flows
99.9% uptime