Talk:Dependability

message: This page mixes to related but nevertheless distinct concepts. The
first is reliability as a virtue and the second reliability in systems
research. These two should be separated by a disambiguation page.  — Preceding unsigned comment added by Gustedt (talk • contribs) 12:26, 7 August 2012 (UTC)
thread_title: Page needs disambiguation

message: Some anonymous user just delete most of the page and rewrote it to be a dictionary definition of dependability. I've restored the page but perhaps we should thing about a disambiguation page.
Foobiker 10:30, 24 October 2007 (UTC)
thread_title: Most of the page disappearing

message: At present times there are a few measures strictly defined by dependability papers and providing measurements is still a current challenge for dependability researchers.
:Example of definition, from About.com: Measure is a noun, in the mathematical language of measure theory: a measure is a function from sets to the real line. Probability is a common kind of measure in economic models. Other measures are the counting measure, which is the number of elements in the set, the length measure, the area measure, and the volume measure. Length, area, and volume are defined along lines, planes, and spaces just as one would expect, and they have the natural meanings.
Given the definitions of the attributes in the article, only the first (availability) is correctly defined as a measure (probability). The others are defined as a "capability" (safety), "information" (confidentiality), "absence" (integrity), and "to undergo" (maintanality) and therefore could not be measured.
--Znorkiwsy 11:11, 16 October 2007 (UTC)
thread_title: Measures

message: I have a question. How can dependability relate to the medical field?
--
It depends on the specific context you're talking about I suppose. 
For instance, conceptual if you are talking about  the whole process of an operation then you would measure the system (i.e. the process of having an operation from start to finish say) using the dependability attributes. Availability would be fairly simple: 1) trained staff, 2) operating theater/bed space, 3) equipment available at the required time, etc. Reliability might be measured as the success rate of the operation. Safety you could assess using safety case criteria, i.e. are the staff correctly trained, is the equipment adequate, etc. Confidentiality would probably relate to non-discolure agreements not to pass on your medical records. Integrity is a bit of a tricky one, I suppose you might look at this in terms of staff making unauthorized modifications to procedures. Maintainability could be the ability to amend the operating procedure if required, i.e. to up the success rate of the operation due to new medical practices or piece of equipment.
What this article doesn't address at present are threats to dependability and means to increase dependability. (A job for this afternoon I think).
-- User:foobiker 14:24, 10 October 2007 (UTC)
thread_title:  Medical Field 

message: This page does not consider the definition from IEC IEV 191-02-03, which is
dependability 	
	the collective term used to describe the availability performance and its influencing factors : reliability performance, maintainability performance and maintenance support performance
NOTE – Dependability is used only for general descriptions in non-quantitative terms.''''
This world-wide harmonised definition does not cover safety and security. It should be at least mentionned. Why is it not?
Source: http://dom2.iec.ch/iev (search for dependability)
--88.70.114.156 19:33, 19 March 2007 (UTC)
thread_title:  Standard Definition of Dependability in Electrotechnical Engineering 

message: from Software_design#Design_considerations: Robustness, Fault-tolerance, Security, Reliability Ushkin N (talk) 09:43, 24 May 2016 (UTC)
thread_title:  Software design 

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