ArchGen

Event Management System Architecture

Focus: Registration + Ticketing + Check-in. Key areas: React Native, Next.js, OAuth2.

Use this as a block diagram of the system when explaining architecture.

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Diagram caption: Event Management System Architecture (Registration + Ticketing + Check-in) has 4 layers: Attendee & Organizer Access, Core Event Services, Data & Integration, Security & Operations.

Prompt

System architecture diagram for an event management system. Attendees register via a web/mobile app, organizers manage events in a dashboard, and on-site staff use a mobile check-in app with QR scanning. Core services should include registration, ticketing, session scheduling, and payments. Data storage includes PostgreSQL for transactions, Redis for cache, and Elasticsearch for attendee search. Use a message bus for email/SMS notifications and webhook integrations. Add OAuth2 authentication, rate limiting, and audit logging.
Highlights
  • Layer details · Core Event Services: Modules include Registration Service, Ticketing Service, Session Scheduling.
  • Module responsibilities · Attendee & Organizer Access / Organizer Dashboard: Manage events; Configure tickets; Monitor sales
  • Layer details · Attendee & Organizer Access: Modules include Attendee Web/Mobile App, Organizer Dashboard, On-site Check-in App.

Overview

Event Management System Architecture (Registration + Ticketing + Check-in) has 4 layers: Attendee & Organizer Access, Core Event Services, Data & Integration, Security & Operations.

Layer details

Show all (4)
  • Attendee & Organizer Access: Modules include Attendee Web/Mobile App, Organizer Dashboard, On-site Check-in App.
  • Core Event Services: Modules include Registration Service, Ticketing Service, Session Scheduling.
  • Data & Integration: Modules include Transactional Database, Search & Insights, Notification Bus.
  • Security & Operations: Modules include Identity & Access, Rate Limiting & WAF, Observability.

Module responsibilities

Show all (12)
  • Attendee & Organizer Access / Attendee Web/Mobile App: Collect attendee data; Display ticket QR codes; Send confirmations
  • Attendee & Organizer Access / Organizer Dashboard: Manage events; Configure tickets; Monitor sales
  • Attendee & Organizer Access / On-site Check-in App: Validate tickets; Sync attendance; Prevent duplicates
  • Core Event Services / Registration Service: Create registrations; Enforce limits; Handle waitlists
  • Core Event Services / Ticketing Service: Issue tickets; Invalidate on scan; Track ownership
  • Core Event Services / Session Scheduling: Manage agenda; Avoid conflicts; Update schedules
  • Data & Integration / Transactional Database: Store transactions; Support reporting; Maintain consistency
  • Data & Integration / Search & Insights: Index attendee data; Support lookups; Power dashboards
  • Data & Integration / Notification Bus: Trigger messaging; Retry failures; Decouple services
  • Security & Operations / Identity & Access: Authenticate users; Authorize organizers; Secure APIs
  • Security & Operations / Rate Limiting & WAF: Protect APIs; Throttle spikes; Block attacks
  • Security & Operations / Observability: Monitor uptime; Detect errors; Track SLAs

Key flows

Show all (3)
  • Registration flow: an attendee submits the form, Registration Service validates capacity, writes to PostgreSQL, and triggers confirmation messaging via Kafka.
  • Ticket flow: Ticketing Service issues a QR code, stores status in the database, and the check-in app validates it offline then syncs attendance.
  • Event ops flow: organizers update schedules, changes propagate to attendee apps, and analytics dashboards refresh via the search index.