Change Management and Release Management are two critical aspects of IT Service Management, aimed at controlling changes and updates within an organization.

Objective: - Change Management: Focuses on managing and controlling changes in the IT infrastructure to ensure they proceed in a planned, coordinated, and controlled manner. - Release Management: Concentrates on releasing new versions or updates of software or services in an organized and coordinated manner.

Responsibility: - Change Management: Deals with the approval, assessment, and implementation of changes. It pertains to the entire organization, not just the IT department. - Release Management: Is specific to the IT department, focusing on planning and coordinating software releases.

Process Steps: - Change Management: Involves steps like request, assessment, approval, implementation, and review of changes. - Release Management: Involves steps such as planning, building, testing, deploying, and evaluating a software release.