Change Control

Posted in Information Technology & Systems, Total Reads: 787
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Definition: Change Control

Change control is a methodical approach to managing all changes to a product or systems. It ensures that all the changes are introduced in the system in a controlled and co-ordinated manner.

For IT systems, change control is a part of change management.

Goals of change control mechanism:

  • Prevent any unnecessary changes happening to the system,
  • Ensure that services are not disrupted and resources are used efficiently.

Examples:

Adding new features to existing software applications, installation of patches and upgrades to IT infrastructure components

Process:

Change control process starts once the change request is submitted.

Process flow diagram:

I. Record/Classify: When client initiates change request, it is recorded and categorized. It includes informal assessment of level of complexity and criticality.

II. Formal Assessment: Formal risk-benefits analysis of change request is conducted and at the end of evaluation process it is either accepted or rejected.

III. Plan: The planning team will design detailed plan of its design and implementation. It also includes roll back plan in case change needs to be backed out.

IV. Build and Test: Technical team will build the solution and then tests it. Once it is approved, it is finalized for implementation.

V. Implement: Implement the change and stakeholders will do the post-implementation review.

VI. Close and gain acceptance: If implemented correctly and client is satisfied, the request is closed.


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