On 3/17/2006 Douglas Garstang ([EMAIL PROTECTED]) wrote:
It doesn't matter how often I expect them to go down. You have to
plan for the worst. People are used to say, being unable to access a
web page for a few minutes. Heck, they might not even notice.
However, when someone's phone system goes down, you can bet your
bottom dollar that they will notice pretty damn fast, and they expect
it to always be working.
There isn't a phnoe/phone system in the WORLD that 'always works'.
100% uptime is IMPOSSIBLE.
The cost increases exponentially, the closer to 100% you want to get,
but you will never get there.
I think 5 9's is perfectly acceptable, even for the most demanding,
high-powered executive.
--
Best regards,
Charles
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