What does system integration involve?

System integration primarily involves linking different systems together so that they can operate cohesively as a unified whole. This process is essential in achieving interoperability among various software applications, databases, and hardware components, ensuring that data can flow seamlessly between them. The goal of system integration is to facilitate the exchange and utilization of information across distinct systems, optimizing their functionality and enhancing overall business processes.

For example, in a business environment where different departments use separate software solutions for their operations (like finance, HR, and sales), integrating these systems allows for real-time data access and better decision-making across the organization. By aligning disparate systems, organizations can also streamline workflows, reduce duplication of efforts, and improve overall efficiency.

The other options presented do not accurately characterize system integration. While connecting processes within a single system might be part of a broader integration strategy, it does not encompass the linking of distinct systems. Re-engineering system architecture, although it may be related to integration, focuses on improving efficiency rather than the interconnection of different systems. Outsourcing system maintenance to third parties refers to external support for managing systems, which is a separate operational concern and does not pertain to the concept of integration itself.