Interactive diagram example: SaaS System Architecture Diagram
Browser and mobile client traffic funnels through the gateway which handles request routing, rate limiting, and initial validation before reaching backend services
The auth service issues and validates tokens, enforces access controls, and protects downstream services from unauthorized requests
The core application processes requests, applies business rules, orchestrates workflows, and coordinates calls to storage and async components
Primary database stores application state and transactional data with backups and replication to ensure consistency and recoverability
Background workers process long-running tasks and queued jobs to offload heavy work from user-facing requests and improve responsiveness
Central analytics aggregates events and metrics for queries, dashboards, and business intelligence to inform product and operational decisions