List of system quality attributes
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Within systems engineering, quality attributes are realized non-functional requirements used to evaluate the performance of a system. These are sometimes named "ilities" after the suffix many of the words share. They are usually Architecturally Significant Requirements that require architects' attention.
Notable quality attributes include:
- agility [Toll] (see Common Subsets below)
- autonomy [Erl]
- composability [Erl]
- discoverability [Erl]
- failure transparency
- interoperability [Erl]
- process capabilities
- reusability [Erl]
- serviceability (a.k.a. supportability)
- standards compliance
Many of these quality attributes can also be applied to data quality.
- Together, reliability, availability, serviceability, usability and installability, are referred to as RASUI.
- Functionality, usability, reliability, performance and supportability are together referred to as FURPS in relation to software requirements.
- Agility in working software is an aggregation of seven architecturally sensitive attributes: debuggability, extensibility, portability, scalability, securability, testability and understandability.
- For databases reliability, availability, scalability and recoverability (RASR), is an important concept.
- Atomicity, consistency, isolation (sometimes integrity), durability (ACID) is a transaction metric.
- When dealing with safety-critical systems, the acronym reliability, availability, maintainability and safety (RAMS) is frequently used.
- Dependability is an aggregate of availability, reliability, safety, integrity and maintainability.
- Integrity depends on security and survivability.
- Security is a composite of confidentiality, integrity and availability. Security and dependability are often treated together.
- Erl, Thomas (2007). SOA: Principles of Service Design. Prentice Hall. ISBN 9780132344821.
- Gitzel, R.; Korthausa, A.; Schadera, M. (30 April 2007). "Using established Web Engineering knowledge in model-driven approaches". Science of Computer Programming. 66 (2): 105–124. doi:10.1016/j.scico.2006.09.001.
- Bass, Len; Clements, Paul C.; Kazman, Rick (2012). Software Architecture in Practice (3rd ed.). ISBN 9780321815736.