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Wiki: Maintainability
Maintainability is the ease of maintaining or providing maintenance for a functioning product or service. Depending on the field, it can have slightly different meanings.
Usage in different fields
Engineering
- correct defects or their cause,
- Repairability or replace faulty or worn-out components without having to replace still working parts,
- prevent unexpected working conditions,
- maximize a product's useful life,
- maximize efficiency, reliability, and safety,
- meet new requirements,
- make future maintenance easier, or
- cope with a changing environment.
In some cases, maintainability involves a system of continuous improvement - learning from the past to improve the ability to maintain systems, or improve the reliability of systems based on maintenance experience.
Telecommunication
- A characteristic of design and installation, expressed as the probability that an item will be retained in or restored to a specified condition within a given period of time, when the maintenance is performed by prescribed procedures and resources.
- The ease with which maintenance of a functional unit can be performed by prescribed requirements.
Software
See also
- List of system quality attributes, non-functional requirements for system evaluation
- Maintenance (technical), measures to preserve or restore the functionality or lifespan of equipment and infrastructure
- Supportability (disambiguation)
- Serviceability (disambiguation)
- Software sizing, activity in software development to estimate the size of a component, such as the number of lines of code or functions (not taking into account the effort required)
- Reliability, availability, maintainability and safety, characterization of a product or system
- Throw-away society, human society strongly influenced by consumerism
Further reading
External links
- Calculation, Field testing and history of Maintainability Index (MI) (with references)
- Measurement of Maintainability Index (MI)
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