Talk:Downtime

would be interesting if somebody could enhance this article. most important would be to cite some sources for the claimed costs (= lost revenues). information on the calculation can be found here, for example: http://www.netforcement.com/network_monitoring/network_downtime.asp Dbu 13:42, 22 January 2007 (UTC)
 * After some further googling, i found this industry white paper, which might be the source for the numbers. http://www.netcordia.com/news/TheCostOfNetworkDowntime.pdf


 * In the 1st paragraph:
 * This is usually a result of the system failing to function because of an unplanned event, or because of routine maintenance.
 * I do not see this belonging here. AMybe it of\goes in the scheduled downtime section.  —Preceding unsigned comment added by Sirgorpster (talk • contribs) 04:34, 21 November 2008 (UTC)

Recent famous outages
I added the tag to the Famous outages section because all but one have happened in the last 25 years, with 2 in 2011, and 2 in all of the 1990's. There are other biases, too, as all are telecommunications and internet related. What about power network outages? Other networks? More historic outages? For example: There was a fire in 1975 that affected 170,000 New York telephone customers, an underground cable fire in Manchester that disrupted the traffic network too, i.e. two separate network outages from one incident! Power network outages caused by sun spots, wind, rain or old cables. Also, what makes these particular outages famous? Or is it a lisk that somebody has put together from memory and the odd news story. Will they really be remembered in another 25 years time? Of the list, I would have said that the Hinsdale incident is infamous, because it had impacts in so many different ways that people wrote books about it. The others are merely newsworthy incidents that made the headlines. - Cameron Dewe (talk) 22:12, 10 May 2013 (UTC)
 * If we have an article on the incident then fair enough to link and mention it. Graeme Bartlett (talk) 22:49, 10 May 2013 (UTC)
 * I agree that if Wikipedia has an article about an event it should be linked to. But that is not my complaint. I note that Wikipedia doesn't (yet) even have an article about the Hinsdale fire, even though a sentence or two makes mention about it in three different articles. My complaint is that this Wikipedia article doesn't even mention the (historic) outages I have said it should mention, let alone link to the articles that do exist. The knowledge of this history appears to be lost in the great undigitized chasam of recent history between about 1945 and 1985 that is currently stored in inaccesible off-line media, which, because of copyright and other reasons, cannot currently be found with an internet search. i.e. Such history cannot be readily verified on-line, so making the grade for inclusion requires visiting a library or other archive to source the information. - Cameron Dewe (talk) 12:38, 12 May 2013 (UTC)

Downtime vs Outage
The first sentence states: The term downtime is used to refer to periods when a system is unavailable. According to my dictionary, downtime is the time when a machine is not working, while outage is a time of service failure. The two terms are confused in this article. Downtime may simply be due to the fact that factory does not employ anyone for 16 hours of a day, so the machines are idle for 16 hours a day because nobody is there to operate or use them - but the machines are still able to be operated, if somebody was there to operate them. In other words the machine (or system) is available for use but is idle and not earning revenue. Outage is a different state of affairs as the downtime is caused by a failure of some sort. For example: the machine may be broken, there may be no power or fuel to run the machine, or the machine may be undergoing maintenance or repairs. Here the idleness is enforced by the machine not being available for some (planned or unplanned) reason. This means outage is a subset of downtime and should be dealt with as a subsection of the main article or should be a separate sub-article. At the very least, the two terms need to be untangled. - Cameron Dewe (talk) 23:00, 10 May 2013 (UTC)
 * Note: Outage is currently a disambiguation page, which links via the term Network outage to Downtime - Cameron Dewe (talk) 11:13, 16 May 2013 (UTC)


 * agree: downtime is frequently used for non-availability of capital equipment. This article only considers telcom. Everybody got to be somewhere! (talk) 17:23, 12 October 2014 (UTC)

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