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Weekend Gedankenexperiment - The Kill Switch

On Feb 5, 2011, at 7:00 PM, Jay Ashworth wrote:

> ----- Original Message -----
>> From: "Fred Baker" <fred at cisco.com>
>> You mean, like drop a couple of trade towers and take out three class
>> five switches, causing communication outages throughout New England
>> and New Jersey, and affecting places as far away as Chicago?
> 3 class-5s?
> I thought it was a 5E and a 4E.

I may have it wrong. My source is a talk given along with renesys-030502-NRC-911.pdf to a NAE committee writing http://www.nap.edu/openbook.php?isbn=0309087023. The author told us that there were two class five switches in one of the towers and one in a neighboring building; the neighboring building was damaged by debris from the tower.

> I heard the 4E stayed online *past* 1400, talking to its fiber neighbors...
> Cheers
> -- jra