[129858] in North American Network Operators' Group
Re: US hunters shoot down Google fibre
daemon@ATHENA.MIT.EDU (Kevin Neal)
Tue Sep 21 14:10:51 2010
In-Reply-To: <4C98F34C.5000706@rollernet.us>
Date: Tue, 21 Sep 2010 12:10:38 -0600
From: Kevin Neal <kevin@safelink.net>
To: Seth Mattinen <sethm@rollernet.us>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
How are the guys sent out on cross-country skis going to get up to the fiber
to repair it? I'm sure that the cable isn't low enough for them to reach it
without a ladder, bucket truck, helicopter.... all of which you don't pack
in on skis...
-Kevin
On Tue, Sep 21, 2010 at 12:02 PM, Seth Mattinen <sethm@rollernet.us> wrote:
> On 9/21/2010 10:52, Holmes,David A wrote:
> > Modern telephone pole aerial fiber uses all dialectric self-supporting
> > (ADSS) technology, where the self-supporting component consists
> > primarily of aramid yarn, the same material used for bullet-proof vests.
> > This makes for an extremely light weight, almost indestructible fiber
> > bundle. My guess is that ADSS fiber would deflect any bullets, or it
> > would take a very good marksman using a very high caliber weapon to
> > actually sever an aerial fiber.
> >
> > Now in the case described below where optical ground wire (OPGW) fiber
> > is used as a component in the ground wire running at the top of high
> > voltage transmission towers, it may be possible to hit the insulators at
> > the top of the towers, but the ground wire itself is usually armored,
> > with ADSS inside. Seems far-fetched to me.
> >
>
>
> Back in my ISP days it was more common for people to take pot shots at
> remote equipment cabinets than the cable/fiber itself. Any field
> enclosure is as easy a target as your average bullet-ridden road sign.
> Although this was extremely rare; I can only recall one instance where
> it was the direct cause of an outage.
>
> ~Seth
>
>
