Full-duplex realtime

• Client ↔ Server
  • Both time communicate anytime
• One persistent connection
• Not request-response anymore

Workflow:

1. HTTP handshake
2. Upgrade to WebSocket
3. Persistent connection
4. Messages flow both ways

Perfect for:

• Chat apps
• Multiplayer games
• Collaborative editors
• Live trading apps
• Realtime cursor / typing indicators