[82554] in North American Network Operators' Group
Re: You're all over thinking this
daemon@ATHENA.MIT.EDU (Crist Clark)
Thu Jul 21 15:09:02 2005
Date: Thu, 21 Jul 2005 12:08:30 -0700
From: Crist Clark <crist.clark@globalstar.com>
In-reply-to: <42DFC8B6.2060109@cisco.com>
To: Austin McKinley <aumckinl@cisco.com>
Cc: nanog@nanog.org
Reply-To: crist.clark@globalstar.com
Errors-To: owner-nanog@merit.edu
Austin McKinley wrote:
> But a land line? If I pick up an analog phone anywhere, I expect a dial
> tone, and local calling. If I don't have access to emergency services
> after a blackout/natural disaster that knocks cell towers down (think
> hurricane season in Florida last year) then you'd never get me to drop
> my local carrier.
I think it is quite a bit to expect very high reliability even from
land lines during and immediately following a hurricane. In fact, the
odds may not be bad that your cellular service could be restored before
your land line. Funny thing about blackouts, you're IP phone is dead
if your ISP link depends on utility power. Your cell phone is OK.
Your land line is OK... as long as you don't just have cordless phones
that require a base station that only operates plugged in.
<Gratuitous-Plug=Employer>
If you really want high reliability during and after a natural disaster,
satellite phones are probably your best option. We just opened a new
gateway in Florida, partly due to demand for emergency services support
during hurricane season. (Although I'd rather not slide into the
discussion about how 911 works for us.)
</Gratuitous-Plug>
As any network engineer knows, the best engineered systems still do
fail. Your best bet for reliability is diversity.
--
Crist J. Clark crist.clark@globalstar.com
Globalstar Communications (408) 933-4387
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