REQ-STORAGE-001: Multi-Format Upload
Support uploading videos (MP4, WebM, MOV), documents (PDF, DOCX, PPT), SCORM packages (ZIP), audio files (MP3, WAV), and images (PNG, JPG, SVG)
REQ-STORAGE-002: Chunked Upload
Support chunked/resumable uploads for large files (up to 5GB) with progress tracking
REQ-STORAGE-003: Blob Storage Integration
Store files in cloud blob storage (AWS S3, Azure Blob, Vercel Blob) with proper organization
REQ-STORAGE-004: Content Metadata
Track file size, mime type, upload date, original filename, storage path, and checksum (MD5/SHA256)
REQ-STORAGE-005: Content Versioning
Support multiple versions of the same content with rollback capability
REQ-STORAGE-006: Multi-Tenant Isolation
Content must be isolated per organization with proper access controls
REQ-VIDEO-001: Adaptive Bitrate Transcoding
Automatically transcode videos to multiple resolutions (360p, 480p, 720p, 1080p, 4K) for adaptive streaming
REQ-VIDEO-002: HLS/DASH Support
Generate HLS (m3u8) and DASH manifests for adaptive bitrate streaming
REQ-VIDEO-003: Thumbnail Generation
Auto-generate video thumbnails at multiple timestamps (poster frames, sprite sheets for seeking)
REQ-VIDEO-004: Subtitle Support
Support uploading and embedding subtitles/captions (SRT, VTT) in multiple languages
REQ-VIDEO-005: Processing Status
Track processing status (pending, processing, completed, failed) with progress percentage
REQ-VIDEO-006: Video Metadata Extraction
Extract duration, resolution, codec, bitrate, frame rate from uploaded videos
REQ-CDN-001: Global Edge Distribution
Distribute content across global CDN edge nodes for low-latency delivery
REQ-CDN-002: Signed URLs
Generate time-limited signed URLs for secure content access with expiration
REQ-CDN-003: Cache Control
Configure cache TTL, invalidation, and purge capabilities for content updates
REQ-CDN-004: Bandwidth Optimization
Support gzip/brotli compression, HTTP/2, and range requests for efficient delivery
REQ-CDN-005: Geo-Restriction
Support geographic access restrictions for content based on organization policies
REQ-SCORM-001: SCORM Package Upload
Support uploading SCORM 1.2 and SCORM 2004 packages (ZIP format)
REQ-SCORM-002: Package Extraction
Automatically extract and validate SCORM packages (manifest parsing, index.html detection)
REQ-SCORM-003: SCORM Player
Provide embedded SCORM player with LMS runtime API (CMI tracking, completion tracking)
REQ-SCORM-004: Progress Tracking
Track SCORM lesson progress, scores, completion status, and suspend data
REQ-INTERACTIVE-001: H5P Support
Support embedding H5P interactive content (quizzes, presentations, games)
REQ-INTERACTIVE-002: Embed Support
Support embedding third-party interactive content (YouTube, Vimeo, Google Docs, CodePen)
REQ-INTERACTIVE-003: Interactive Transcripts
Provide clickable, searchable video transcripts synchronized with playback
REQ-ACCESS-001: Role-Based Access
Restrict content access based on user roles and course enrollment status
REQ-ACCESS-002: DRM Protection
Support DRM (Widevine, FairPlay) for premium content protection
REQ-ACCESS-003: Watermarking
Apply visible/invisible watermarks to videos with user identification
REQ-ACCESS-004: Download Restrictions
Configure per-content download permissions and offline viewing policies
REQ-ANALYTICS-001: View Tracking
Track content views, unique viewers, watch time, and completion rates
REQ-ANALYTICS-002: Video Engagement
Track video engagement metrics (play, pause, seek, playback speed, drop-off points)
REQ-ANALYTICS-003: Bandwidth Usage
Track bandwidth consumption per organization for billing and monitoring
REQ-ANALYTICS-004: Quality Metrics
Track video quality metrics (buffering events, startup time, rebuffering ratio)
REQ-PERF-001: Video Startup Time
Videos must start playback within 2 seconds on average (90th percentile)
REQ-PERF-002: CDN Response Time
Static content must be delivered with <100ms latency from edge locations
REQ-PERF-003: Transcoding Time
Videos must be transcoded at 2x real-time speed (1 hour video in 30 minutes)
REQ-PERF-004: Concurrent Streams
System must support 100,000+ concurrent video streams without degradation
REQ-SCALE-001: Storage Capacity
Support unlimited storage capacity with cost-effective tiered storage (hot, warm, cold)
REQ-SCALE-002: Upload Concurrency
Support 1,000+ concurrent file uploads across all organizations
REQ-SCALE-003: Transcoding Queue
Auto-scale transcoding workers based on queue depth and processing demand
REQ-REL-001: Uptime SLA
Content delivery must maintain 99.9% uptime SLA (43 minutes downtime/month)
REQ-REL-002: Data Redundancy
Store content with geographic redundancy (multi-region replication) for disaster recovery
REQ-REL-003: Upload Resumption
Support resuming interrupted uploads without starting over
REQ-SEC-001: Encryption at Rest
All stored content must be encrypted using AES-256 encryption
REQ-SEC-002: Encryption in Transit
All content delivery must use HTTPS/TLS 1.3 for secure transmission
REQ-SEC-003: Malware Scanning
Scan all uploaded files for viruses and malware before storage
REQ-SEC-004: URL Obfuscation
Use non-guessable URLs (UUIDs) and signed tokens to prevent unauthorized access
REQ-INT-001: Course Management Integration
Receive content requests from Course Management Service with lesson metadata
REQ-INT-002: User Service Integration
Validate user enrollment status before granting content access
REQ-INT-003: Analytics Integration
Send content interaction events (views, watch time) to Analytics Service
REQ-INT-004: Assessment Integration
Deliver quiz and assessment content to Assessment Engine Service
REQ-INT-005: Notification Integration
Trigger notifications when video processing completes or fails
Use the Database Design page to validate that all requirements are properly implemented in the data model. Cross-reference each requirement ID with corresponding database tables, columns, and constraints.
Review Database Design