Functional requirements of Video Streaming Service with non-functional
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Functional Requirements
User Management
Account Creation and Login: Allow users to create accounts, log in securely, and manage their profiles. This includes social media login options and password recovery.
Role-Based Access Control: Implement role-based access control to manage permissions for different types of users, such as viewers, content creators, and administrators.
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Profile Management: Enable users to update their personal details, subscription plans, payment methods, and viewing preferences.
Content Management
Upload and Management: Allow content creators to upload, manage, and categorize videos. Support various video formats and metadata (e.g., titles, descriptions, tags).
Content Scheduling: Provide tools for scheduling the release of videos, including setting publish dates and times.
Content Moderation: Implement content review and moderation tools to ensure compliance with community guidelines and policies.
Video Playback
Streaming Quality: Support adaptive streaming to adjust video quality based on the user’s internet connection (e.g., 720p, 1080p, 4K).
Playback Controls: Provide playback controls, such as play, pause, rewind, fast forward, volume control, and fullscreen mode.
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Subtitles and Captions: Offer support for subtitles and captions in multiple languages.
Search and Discovery
Search Functionality: Allow users to search for videos by keywords, titles, tags, and categories.
Recommendations: Provide personalized video recommendations based on user preferences, viewing history, and trending content.
Categories and Playlists: Organize videos into categories and playlists for easier navigation and discovery.
Subscription and Payment
Subscription Plans: Offer various subscription plans, including free, premium, and pay-per-view options.
Payment Processing: Integrate with payment gateways to handle transactions securely. Support various payment methods (e.g., credit cards, PayPal).
Billing and Invoicing: Provide users with billing history, invoices, and subscription management tools.
User Engagement
Ratings and Reviews: Allow users to rate and review videos.
Comments and Social Features: Enable users to comment on videos and engage with other viewers. Support sharing content on social media.
Notifications: Send notifications for new content, subscription updates, and interactions (e.g., replies to comments).
Analytics and Reporting
Viewership Analytics: Provide detailed analytics on video viewership, including number of views, watch time, and user demographics.
Content Performance: Track the performance of individual videos and content categories.
Revenue Reports: Generate reports on subscription revenue, ad revenue, and other financial metrics.
Content Delivery
Content Delivery Network (CDN): Utilize CDNs to distribute video content efficiently and reduce latency.
Buffering and Caching: Implement buffering and caching strategies to improve playback performance and reduce buffering times.
Integration
Third-Party Services: Integrate with third-party services for features such as analytics, content moderation, and advertising.
API Access: Provide APIs for integration with other platforms and services, such as social media or external apps.
Accessibility and Compliance
Accessibility Features: Ensure the service is accessible to users with disabilities, following accessibility standards (e.g., WCAG).
Content Licensing: Manage content licensing and rights to ensure compliance with copyright laws and agreements.
Non-Functional Requirements
Performance
Response Time: Ensure low latency for video streaming and fast response times for user interactions (e.g., under 2 seconds for most operations).
Scalability: The system should handle increasing numbers of users, video uploads, and concurrent streams without performance degradation.
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Reliability
Uptime: Ensure high system availability with minimal downtime (e.g., 99.9% uptime).
Error Handling: Implement robust error handling and recovery mechanisms to manage system failures and ensure smooth video playback.
Security
Data Encryption: Encrypt sensitive data, including user information and payment details, both in transit and at rest.
Authentication and Authorization: Use secure authentication methods and role-based access control to manage user permissions and protect content.
Content Protection: Implement measures to prevent unauthorized access and piracy, such as Digital Rights Management (DRM) and watermarking.
Usability
User Interface: Design an intuitive and user-friendly interface for discovering, watching, and managing videos.
Accessibility: Ensure the system is accessible to users with disabilities, following accessibility standards (e.g., WCAG).
Maintainability
Code Quality: Write high-quality, well-documented code to facilitate system maintenance and updates.
Documentation: Provide comprehensive documentation for users, administrators, and developers, including user guides, technical manuals, and troubleshooting guides.
Availability
Backup and Recovery: Implement regular data backups and establish procedures for data recovery in case of system failures or data loss.
Failover: Ensure the system has failover capabilities to switch to backup systems or servers if necessary.
Portability
Cross-Platform Compatibility: Ensure the system is compatible with various devices and operating systems used by users, including desktops, tablets, and mobile devices.
Supportability
Technical Support: Provide mechanisms for obtaining technical support and resolving issues, including help desks, online resources, and customer service.
Error Reporting: Include functionality for reporting issues or bugs and tracking their resolution.