I never realized so many trains derailed until my Internet kept going out

Martin Hannigan hannigan at renesys.com
Mon Jan 30 01:32:44 UTC 2006


>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 at renesys.com



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