Network management Toolkit 
Story: Power outage knocks ISPs offline
Posted by: Gary Coates (Monday 21 August 2006, 1:57 PM)
ISP's should know by now there is no such thing asd 100% availability. Single points of failure should be removed, diversity should be built in and regular testing should test systems recovery. Most problems aren't usually high lighted until the day you need the generator or reboot the server thats not been rebooted for 12 months.
It strikes me as bad management and cutting corners. A good system will degrade, but not fail in the event of failure.
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