Major types of software integration

1. Data Integration 

Purpose: Combines data from multiple sources into a unified view.
Methods: ETL (Extract, Transform, Load), real-time data integration.
Use Cases: Business intelligence, reporting, data warehousing.

2. Application Integration 

Purpose: Enables different applications to communicate and share data.
Methods: API integration, middleware.
Use Cases: Integrating CRM systems with ERP software.

3. Process Integration

Purpose: Coordinates and optimizes business processes across applications.
Methods: Workflow automation tools, Business Process Management (BPM).
Use Cases: Streamlining order management and customer service processes.

4. Cloud Integration

Purpose: Connects on-premise applications with cloud-based solutions.
Methods: Hybrid integration, Integration Platform as a Service (iPaaS).
Use Cases: Connecting cloud CRMs with on-premise databases.

5. User Interface Integration

Purpose: Provides a seamless experience across multiple applications.
Methods: Single Sign-On (SSO), embedded applications.
Use Cases: Improving user experience on e-commerce platforms.

6. Remote Integration

Purpose: Allows access to applications and data from remote locations.
Methods: Remote Procedure Calls (RPC), web services.
Use Cases: Accessing enterprise applications from mobile devices.

7. Social Media Integration

Purpose: Incorporates social media functionality into business applications.
Methods: Social media APIs.
Use Cases: Enabling content sharing on social platforms.

8. Legacy System IntegrationPurpose: Connects older systems with modern applications.
Methods: Adapters, custom middleware.
Use Cases: Ensuring compatibility between legacy and new systems.