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dido:public:ra:xapend:xapend.a_glossary:a:availability [2020/11/13 02:52] nick ↷ Links adapted because of a move operation |
dido:public:ra:xapend:xapend.a_glossary:a:availability [2022/01/25 14:34] nick |
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- | ===== Availability ===== | + | ====== Availability ====== |
- | [[dido:public:ra:xapend:xapend.a_glossary| Return to Glossary ]] | + | [[dido:public:ra:xapend:xapend.a_glossary:start| Return to Glossary ]] |
[[dido:public:ra:1.4_req:2_nonfunc:14_reliability:02_availability | See 4.2.2.2 Availability]] | [[dido:public:ra:1.4_req:2_nonfunc:14_reliability:02_availability | See 4.2.2.2 Availability]] | ||
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+ | ===== Definition #1 ===== | ||
**Availability** is the probability that a system will work as required when required during the period of a mission. The mission could be the 18-hour span of an aircraft flight. The mission period could also be the 3 to 15-month span of a military deployment. Availability includes non-operational periods associated with reliability, maintenance, and logistics. | **Availability** is the probability that a system will work as required when required during the period of a mission. The mission could be the 18-hour span of an aircraft flight. The mission period could also be the 3 to 15-month span of a military deployment. Availability includes non-operational periods associated with reliability, maintenance, and logistics. | ||
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Source: [[https://en.wikipedia.org/wiki/Availability_(system) | Availability ]] | Source: [[https://en.wikipedia.org/wiki/Availability_(system) | Availability ]] | ||
+ | ===== Definition #2 ===== | ||
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+ | Availability means information should be consistently and readily accessible for authorized parties. This involves properly maintaining [[dido:public:ra:xapend:xapend.a_glossary:h:hardware]] and technical infrastructure and systems that hold and display the information. | ||
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+ | Source: [[https://whatis.techtarget.com/definition/Confidentiality-integrity-and-availability-CIA]] |