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What's COTS please?

Commercial_off-the-shelf, now linked in the article too.

Hi, there is something wrong with the five and six nines part of the article. 99.999% of a year are 8 hours and 99.9999% are 52 minutes while 5 minutes is 99.99999% and 30 seconds is 99.999999%. I assume that the 5 minutes and 30 seconds are correct and that "5/6 nines" only count the fractional nines in the percent value, not the integer part. --Dirkhillbrecht 14:14, 5 June 2006 (UTC)Reply

Your calculation is incorrect. 99.9% uptime in a year is 0.1% downtime. 0.1% is 1/1000 of a year = 1/3 of a day = 8 hours. Plug the numbers into a spreadsheet to get exact numbers. You will see that there are 365*24*60*60 = 31,536,000 seconds in a (365-day) year. "3 nines" is about 8 hours 46 minutes. "6 nines" is about 31.5 seconds. You can find more details on availability calculations in Myth of the nines Ged Davies 17:55, 12 April 2007 (UTC)Reply

... is not related to Serviceability... it's a concept closer to hard real time. Unfortunately I was not able to find a better match, so I removed the link: better to not inform than to misinform. --Treekids 23:58, 1 August 2007 (UTC)Reply

This page makes no mention or reference to the vigorous debate over the need, and effectiveness of CGL. The mainline kernel has completely much of CGL and was upset at the closed nature of the original specification process. —Preceding unsigned comment added by 67.88.206.99 (talk) 00:12, 2 November 2007 (UTC)Reply