应用分类

Type	Functional	Non-functional
News Feed Twitter Instagram TikTok Pinterest RSS	Post multimedia content Browse the feed Content interaction (like, comment) Follow and unfollow Search users and hashtags	Low Latency: instant updates, quick content interactions, and fast search results. High Availability: Ensures uninterrupted content posting and consistent feed access Consistency: Guarantees uniform feed and interaction states across multiple devices Scalability: Manages increasing search queries and content volume as user base grows
Share TinyURL Bitly Shorby Pastebin	Generate short unique URLs based on original URLs Redirect short URL to original URLs Custom short URL option URLs expiration or deletion	Low Latency: Immediate redirection and short URL generation Security: Protection against malicious URLs and abuse Scalability: Accommodate growing number of users and links Consistency: Ensure accurate redirection and statistics
Location Related Uber Uber Eats Grab Lyft	Ride/delivery request matching Real-time location tracking Payment processing User rating and feedback	Consistency: Accurate information on driver, rider, and order status Low Latency: Immediate updates for location and status changes Security: Secure user data and payment transactions Scalability: Handle peak demand and user growth
IM WhatsApp Facebook Messenger WeChat LINE	Send/Receive messages Multimedia message support Contact list management Real-time status updates End-to-end encryption	Low Latency: Immediate delivery of messages Consistency: Synchronize messages across devices and maintain order Security: Protect user data and privacy. Scalability: Support growing number of users
Live Facebook Live Twitch Zoom Google Meets	Host or watch a live broadcast Viewer interaction (likes, comments) Stream archiving for replay Viewer analytics and reporting	Low Latency: Real-time interaction and streaming High Availability: Continuous service during live events Scalability: Handle variable viewer traffic
Video YouTube Netflix Disney Plus HBO Max	Video upload and storage Streaming video playback User profile management Content recommendation system Viewer interaction (likes, comments)	Low Latency: Quick video start, minimal buffering High Availability: Service uptime for users globally Scalability: Accommodate increasing content and users
File Sync Google Drive Dropbox Sync.Com iDrive	File storage and retrieval File synchronization File sharing and permissions Version history and recovery	Low Latency: Fast file access and sync High Availability: Service accessible at all times Security: Protect user files and data Consistency: Ensure file version accuracy
Search Google Search Bing Airbnb Search Twitter Search	Keyword-based search Search results ranking Autocomplete search suggestions Image, video, people search	Low Latency: Immediate search results High Availability: Constantly operational service Security: Safeguard user data Scalability: Adapt to user load
Ranking Twitter Top Hashtags Spotify Top K Music	Display top k elements Update ranks in real-time/every hour User-specific recommendations	Low Latency - to ensure real-time updates and responsiveness Consistency - to ensure that rankings are accurate across all users and platforms Scalability - to accommodate an increasing number of users
Trading Robinhood Webull TradeStation	Real-time market data streaming Trade execution and processing Deposit and withdrawal transactions Financial news and alerts	Low Latency: Essential for real-time market data and trade execution High Availability: Critical for continuous market access and trading Security: Vital for protecting user data and financial transactions
Cooperative editing Google Docs Microsoft Office Online Quip	Real-time collaborative editing Document version history tracking Auto-save and synchronization Multi-device support and compatibility	Low Latency: Required for seamless real-time collaboration Consistency: Important for ensuring document state is synchronized across users High Availability: Necessary for continuous editing and access Security: Crucial for protecting document content and user data
Booking Google Calendar Ticketmaster StubHub	Calendar view and navigation Event creation (ticket booking) and management User account management Integration with payment systems	Consistency: Important for accurate event details and user data across platforms Low Latency: Crucial for quick event updates and ticket bookings Security: Essential for protecting personal and payment information
Shopping Amazon eBay Etsy AliExpress	Product search and discovery Inventory management system Payment processing integration Order management and tracking	Consistency: Necessary for reliable inventory and order status updates High Availability: Critical for continuous access to the e-commerce platform Security: Paramount for safeguarding user data and payment transactions Low Latency: Essential for quick search results and responsive user interface
CPU-bound PDF converter Video Editor	Video/PDF editing Real-time preview generation Export and format conversion	Low Latency: Crucial for real-time editing and preview experiences Scalability: Required to handle simultaneous processing by multiple users
IoT Fitbit Nest	Real-time health/activity monitoring Remote device control Data analytics and display Firmware over-the-air (OTA) updates	Security: Protect user data and prevent unauthorized device control Low Latency: Real-time monitoring and remote control responsiveness High Availability: Critical for continuous monitoring and environment control services
Infrastructure Message queue Object Storage Logging Monitoring	Scalable throughput capacity Data redundancy and backup Access control and permissions	High Availability: Ensures continuous operation and data accessibility Scalability: Accommodates growing data and user base Low Latency: Critical for timely message delivery and data access Security: Protects against unauthorized access and data breaches