====== 1.2 Use Case: Data Exchange ======

Synchronize data between systems.

===== Initial Situation =====

  * Manual exports/imports (CSV, Excel)
  * Error-prone and time-consuming
  * Data not synchronized

===== Solution with Data Gateway =====

  * Automated queries via REST API
  * Scheduled synchronization
  * Bidirectional data exchange

===== Example =====

ERP data -> Webshop:

  - Webshop queries Gateway (product catalog)
  - Changes are detected
  - Only changed products transferred

===== Result =====

  * Real-time synchronization possible
  * No manual intervention
  * Audit trail via API logs