Requirements Document
Comprehensive requirements for the Live Class Service in the KnowledgeTracker Platform.
1. Functional Requirements
1.1 Video Conferencing
- •HD video and audio streaming (up to 1080p)
- •Support for 100+ participants per session
- •Grid, speaker, and presentation view layouts
- •Mute/unmute audio and enable/disable video controls
- •Virtual backgrounds and noise suppression
1.2 Screen Sharing & Collaboration
- •Full screen and application window sharing
- •Interactive whiteboard with drawing tools
- •Collaborative document editing in real-time
- •Annotation tools during screen sharing
1.3 Breakout Rooms
- •Create multiple breakout rooms for group activities
- •Manual and automatic participant assignment
- •Instructor can join any breakout room
- •Timer and broadcast messaging to all rooms
1.4 Interactive Features
- •Live chat with public and private messages
- •Raise hand and reaction emojis
- •Live polling and quizzes during sessions
- •Q&A panel for structured questions
- •File sharing during live sessions
1.5 Recording & Playback
- •Cloud recording of live sessions
- •Separate audio and video track recording
- •Automatic transcription and closed captions
- •Recording playback with timestamp navigation
1.6 Session Management
- •Schedule live classes with calendar integration
- •Recurring session setup (weekly, bi-weekly)
- •Waiting room with admission control
- •Attendance tracking and participation reports
- •Session reminders and notifications
2. Non-Functional Requirements
2.1 Performance
- •Video latency < 300ms for real-time interaction
- •Adaptive bitrate streaming based on network conditions
- •Session join time < 5 seconds
2.2 Reliability
- •99.9% uptime for live class infrastructure
- •Automatic reconnection for dropped connections
- •Graceful degradation during network issues
2.3 Security
- •End-to-end encryption for video/audio streams
- •Password-protected and invitation-only sessions
- •Host controls for removing disruptive participants
2.4 Scalability
- •Support for 10,000+ concurrent sessions
- •Global CDN for recording distribution
- •Horizontal scaling of media servers
3. Integration Requirements
3.1 Internal Microservices
- •Course Management: Course schedule integration
- •User Management: Participant authentication
- •Notification Service: Session reminders
- •Content Delivery: Recording storage and playback
3.2 External Services
- •Video Platform: Zoom SDK, Twilio Video, Agora
- •Calendar: Google Calendar, Outlook integration
Requirements Validation
Use this requirements document alongside the Database Design to validate:
- ✓Session scheduling and metadata storage
- ✓Participant tracking and attendance records
- ✓Recording storage and access control
- ✓Multi-tenant session isolation