What is System Integration in IT?

System Integration refers to the strategic process of combining various individual subsystems into a unified, cohesive system. The goal is to ensure that all integrated subsystems function harmoniously as a single entity.

What are the 2 components of system integration?

1. Subsystems: These are the individual systems or software applications that need to be combined.
2. Interface: This is the point where the subsystems connect and communicate with each other.

What are the 4 types of system integration?

1. Horizontal Integration: Also known as “Enterprise Service Bus (ESB)”, it involves integrating different systems through a common interface.
2. Vertical Integration: This is where systems are integrated based on their functionality, forming a “silo” of systems from bottom to top.
3. Star Integration (or Spaghetti Integration): Each system is connected to multiple other systems, forming a pattern like a star.
4. Common Data Format: Systems are integrated by converting data into a common format that can be understood by all systems.

What are the 4 benefits of system integration?

1. Efficiency: Processes are streamlined, reducing redundancies and improving workflow.
2. Data Accuracy: With integrated systems, data remains consistent and up-to-date across platforms.
3. Cost Savings: Reduces the overhead of managing and operating isolated systems.
4. Enhanced Functionality: The combined capabilities of integrated systems offer richer functionalities.

What are the roles of system integration?

1. System Architect: Designs the structure of the integrated system.
2. Integration Developer: Writes the code to connect and integrate different subsystems.
3. Project Manager: Oversees the integration project, ensuring it stays on track and meets objectives.
4. QA Tester: Tests the integrated system for any issues or bugs.
5. Business Analyst: Understands the business needs and ensures the integrated system meets those requirements.