# Overview The overall ability for a system to be operated, including bug fixes, day-to-day operations, and implementing updates. The majority of the cost of a system is from maintenance, as opposed to initial development, so this is a key area. A few of the keys areas contributing to a system's maintainability are: - [[Operability]] - The ease by which a system can be run and maintained. This includes activities, such as [[Monitoring]], [[Root Cause Analysis]], [[Software Patching]], [[04_Deployment]], and more. - Simplicity - [[Extensibility]] # Key Considerations # Implementation Details # Useful Links # Related Topics ## Reference #### Working Notes #### Sources