Sat Jun 30 08:56:53 2007

If systems are up...  	 	
	Then yearly downtime is...

90% 		876 hours
99% 		87 hours, 36 minutes
99.9% 		8 hours, 45.5 minutes
99.99% 		52 minutes, 33 seconds
99.999% 	5 minutes, 15 seconds

99% uptime = down time of 1.7 hours per week!  
	(87 hrs, 36 minutes)

found this summary at:

http://www.forsythe.com/Forsythe/infraservices/servers/server_five9s.jsp

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 Snohomish, Washington  -o|||||o-  where Jeeps don't rust, they mold
  http://freegift.com                 ** http://wagoneers.com **
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Sat Jun 30 09:32:52 2007

Availability % 	Downtime per year 	Downtime per month* 	Downtime per week
90% 	36.5 days 	72 hours 	16.8 hours
95% 	18.25 days 	36 hours 	8.4 hours
98% 	7.30 days 	14.4 hours 	3.36 hours
99% 	3.65 days 	7.20 hours 	1.68 hours
99.5% 	1.83 days 	3.60 hours 	50.4 min
99.8% 	17.52 hours 	86.23 min 	20.16 min
99.9% 	8.76 hours 	43.2 min 	10.1 min
99.95% 	4.38 hours 	21.56 min 	5.04 min
99.99% 	52.6 min 	4.32 min 	1.01 min
99.999%  5.26 min 	25.9 s 		6.05 s
99.9999% 31.5 s 	2.59 s 		0.605 s

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 Snohomish, Washington  -o|||||o-  where Jeeps don't rust, they mold
  http://freegift.com                 ** http://wagoneers.com **
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