[88312] in North American Network Operators' Group

home help back first fref pref prev next nref lref last post

Re: I never realized so many trains derailed until my Internet

daemon@ATHENA.MIT.EDU (Martin Hannigan)
Sun Jan 29 20:33:34 2006

In-Reply-To: <43DD6B84.3000508@west.net>
Date: Sun, 29 Jan 2006 20:32:44 -0500
To: Jay Hennigan <jay@west.net>
From: Martin Hannigan <hannigan@renesys.com>
Cc: nanog@merit.edu
Errors-To: owner-nanog@merit.edu


>Martin Hannigan wrote:
>
>>They could've back doored the long haul, and it's possible they
>>did on different products. The local traffic would pop back if
>>they did depending upon network configuration since the FCP's
>>and CO's are still up and running. Think about it, if you can
>>make a phone call during a fiber cut, why can't you process an
>>IP packet? (I'm discussing layer 1. I'm waiting to see the preso
>>in Dallas to comment on anything higher :) )
>
>Well, sometimes you can't make a phone call during a fiber cut.
>During the Sprint outage a couple of weeks ago the first thing
>we noticed were strange PSTN outages.  High-and-dry and reorder
>for the most part with an occasional "circuits busy" intercept.
>The cut didn't have any significant effect on IP as far as we
>could tell (but we're not a Sprint customer).
>


Yes, agreed. You end up at reduced capacity in most cases which
would explain the reorders. What's high and dry? Dead air?

-M<



-- 
Martin Hannigan                                (c) 617-388-2663
Renesys Corporation                            (w) 617-395-8574
Member of the Technical Staff                  Network Operations
                                               hannigan@renesys.com

home help back first fref pref prev next nref lref last post