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Enterprise systems architecture
Short answer
Enterprise systems are integrated software (ERP, CRM, SCM) supporting all core business processes on a common database. The architecture is multi-tier: presentation, application modules (finance, HR, production, etc.) sharing a central database via middleware. Organizations adopt them for integrated data, reduced duplication, real-time reporting, lower costs, standardized best practices, and improved customer service and scalability.
What do you understand by Enterprise Systems? Discuss the architecture of Enterprise Systems. For what reason do you think that organizations are motivated to establish enterprise systems?
Enterprise systems
Enterprise systems are large integrated software systems (such as ERP, CRM, SCM) that support and connect the main business processes of the whole organization on a common database and a shared platform, giving a single, real-time view of the business.
Architecture
Typical architecture is multi-tier, built around modules and one central database.
Users: staff, customers, suppliers
| (web / client)
+-------------------------------+
| Presentation layer |
+-------------------------------+
| Application layer: modules |
| Finance | HR | Sales | SCM |
| Inventory | Production | CRM |
+-------------------------------+
| Integration / middleware |
+-------------------------------+
| Central database (single) |
+-------------------------------+
- Presentation layer - web browser or GUI client.
- Application layer - business logic grouped into functional modules that share data.
- Database layer - one integrated database, so data is entered once.
- Middleware / integration - connects to legacy and external systems (EDI, web services).
- Variants: client-server, three-tier, web and cloud/SaaS.
Why organizations establish enterprise systems
- Integrated data and processes - one version of truth across departments.
- Reduced duplication and errors - data entered once.
- Faster, better decisions - real-time reports and analytics.
- Lower inventory and operating cost, better planning.
- Improved customer service - order tracking, faster delivery.
- Standardised best-practice processes across branches.
- Easier compliance and reporting.
- Support for growth and global operations; replaces many old systems with high maintenance cost.
✓ Answer checked by Claude Opus 5.5 (high effort)
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