Operating Concepts

• Chat - Chat messages are sent using the WebRTC Data Channel through websocket connections.
• Video/Audio Streaming - SFU (Signal Forwarding Unit) server is used to broadcast video and audio to clients.
• File Sharing - Amazon S3 (or other S3 compatible storage) is used for file sharing.

Components

• islb - Load Balancing and node discovery.
• signal - Exchange signal with client SDK.
• room - Room server for client to join, leave, chat in a room.
• room-mgmt - HTTP APIs to manage rooms and participants.
• room-sentry - Background service to auto open/close rooms based on room configuration.
• sfu - SFU server for streaming audio and video to client.