QuestionsDesign Dropbox or Google Drive

Components

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Frontend

Client

CDN

Mobile App

Networking

Load Balancer

API Gateway

DNS

Compute

App Server

Worker

Serverless Function

Storage

SQL DB

NoSQL DB

Object Store

Data Warehouse

Cache

Redis Cache

CDN Cache

In-Memory Cache

Messaging

Message Queue

Event Bus

Pub/Sub

Infrastructure

Firewall

Rate Limiter

Search Engine

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Dropbox·medium

Design Dropbox or Google Drive

Design a cloud-based file storage system like Dropbox or Google Drive that allows users to store and access files from anywhere, challenging due to large data volumes, sync conflicts, and security requirements.

Functional

▸User authentication and authorization
▸File upload and download
▸File sharing and collaboration
▸File versioning and history
▸Search and retrieval of files

Non-Functional

▸Handle 10 million concurrent users
▸Ensure 99.99% availability with less than 1 minute of downtime per month
▸Achieve average latency of less than 200ms for file uploads and downloads
▸Store at least 100 petabytes of data
▸Support 100,000 file uploads per second

Add at least 2 components to run