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In computer science, dependability is defined as
- "[..] the trustworthiness of a computing system which allows reliance to be justifiably placed on the service it delivers [..]" [1]
Dependability includes the following attributes of a computing system [2]:
- Availability: readiness for correct service;
- Reliability: continuity of correct service;
- Safety: absence of catastrophic consequences on the user(s) and the environment;
- Security: the concurrent existence of (a) availability for authorized users only, (b) confidentiality, and (c) integrity.
See also
References
[1] IFIP WG10.4 on DEPENDABLE COMPUTING AND FAULT TOLERANCE (http://www.dependability.org/)
[2] A. Avizienis, J.-C. Laprie und B. Randell: Fundamental Concepts of Dependability. Research Report N01145, LAAS-CNRS, April 2001. (http://www.cert.org/research/isw/isw2000/papers/56.pdf)
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