[LINK] Fwd: Look, up in the sky! [Was: Lag will set our broadband back: expert]

David Boxall david.boxall at hunterlink.net.au
Wed Jul 29 16:19:58 AEST 2009


On Wed, 29 Jul 2009 at 11:44:08 +0800 Crispin Harris wrote:
> ...
> Fibre can be quite resilient to the vagaries of wind/weather and percussive
> vibration that open-air cables receive - IF the right type of cable is
> chosen.
>
> A cable with a reinforced wire-mesh shield, external tensioning and
> strain-relief can be VERY resistant to environmental affects (up to a
> point).
>
> However, taking the view of someone who is a cynical security
> analyst/consultant and have been an IT/ICT responder to disasters in
> multiple locales, there ARE some risks that are not generally considered (or
> are rejected).
>
> In *SOME* cases, pole-top can have substantial (read: business destroying)
> risks.
> the representative example in this case is Hurricane Katrina in Louisiana
> (sic) some years ago.
> ...
> NOTE: This is a specific risk case, and only a valid concern in
> Hurricane/Cyclone prone areas. (But given that Cyclone weather systems have
> passed as south as Perth greater metropolitan area in recent memory (read:
> late 80's) ... )
And bushfire?

-- 
David Boxall                         | ignorance more frequently
                                     | begets confidence than does
http://david.boxall.name             | knowledge
                                     | --Charles Darwin (introduction
                                     |  to 'The Descent of Man' 1871)
 





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