[79745] in North American Network Operators' Group
Re: Anyone familiar with the SBC product lingo?
daemon@ATHENA.MIT.EDU (Valdis.Kletnieks@vt.edu)
Thu Apr 14 16:43:49 2005
To: Luke Youngblood <lyoungblood@phonechargeinc.com>
Cc: "'Dan Lockwood'" <dlockwood@shastacoe.org>, nanog@merit.edu
In-Reply-To: Your message of "Thu, 14 Apr 2005 16:15:41 EDT."
<20050414201544.980141876@testbed9.merit.edu>
From: Valdis.Kletnieks@vt.edu
Date: Thu, 14 Apr 2005 16:34:53 -0400
Errors-To: owner-nanog@merit.edu
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On Thu, 14 Apr 2005 16:15:41 EDT, Luke Youngblood said:
>
> SONET simply means you are on a Sonet ring: Two redundant connections to
> the central office. If someone gets a little crazy with a backhoe your line
> is guaranteed to stay up (ask about SLAs, and make sure they will refund
> part of your monthly bill if you have an outage). That's why it costs over
> twice as much.
And remember to ask questions - make sure they've actually got the two
connections routed differently. Remember that if the backhoe hits the conduit,
*all* the fiber pairs go - and if both runs were in the same conduit, you're
still dead....
(Anybody here *NOT* seen cases where the 2 fibers leave the building on opposite
sides, go down different streets - and rejoin 2 miles down the way because
there's only one convenient bridge/tunnel/etc over the river, or similar?)
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