Library Management System Architecture
Library Management System Architecture (Catalog + Circulation + Self-Checkout) has 4 layers: User Experience & Access, Core Services, Data & Messaging, Platform & Security.
Key modules include Patron Web Portal, Librarian Console, Self-Checkout Kiosks, Catalog Service, Circulation Service.

Key modules
- Patron Web Portal
- Librarian Console
- Self-Checkout Kiosks
- Catalog Service
- Circulation Service
- Membership & Fines
- Transactional Database
- Search Index