If you were in a government Cyber-warning center

Sat Apr 27 00:42:21 UTC 2002

Unnamed Administration sources reported that Chris Kilbourn said:
> 
> 
> In the past few years on NANOG, I've noticed a strong correlation between
> train derailments and network outages. (Not to discount the backhoe
> correlation in any way of course...)
> 
> The question I have is this:
> 
> If fiber runs are trenched into the railbed, and we know that trains
> go off of the tracks every now and then, what, if anything, is being
> done to harden the conduit?

Conduit? What's THAT ;-? Only exposed (bridge crossing, etc)
parts are in conduit.

> Would trenching it deeper help? Has encasing the conduit in a
> steel-reinforced channel been examined? Or is there something about
> laying conduit next to track and the accident modalities that I am
> just missing here?

A) There's limited right-of-way. Who are you already next to?
ATT? MCI? Sprint?

B) There's limited ACCESS to A). You either must shutdown the
rail line or follow a rigorous safety program to ensure you don't
have a piece of whatever sticking out across the track when that
train goes by.

C) How deep do you want it? ATT put their #5 TCC cable down 4';
no easy task. {But then, we paid for it...}. Will that help
when a locomotive lands on it? If it doesn't... it's much harder
to fix.

D) There's limited money.

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