full-disclosure - Security benefits of spliting services betweentwo ISP providers

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Message-ID: <200505201611.j4KGBHD0017459@turing-police.cc.vt.edu>
Date: Fri May 20 17:11:35 2005
From: Valdis.Kletnieks at vt.edu (Valdis.Kletnieks@...edu)
Subject: Security benefits of spliting services
	betweentwo ISP providers 

On Fri, 20 May 2005 10:24:47 CDT, Bart.Lansing@...ls.com said:

> (coming from different streets, etc) for your fiber or copper.  Also you 
> probably want to consider SONET so that you have diverse routing as well. 

SONET won't save you unless you *know* that you have *real* diversity (yes,
it's possible for the two loops to be from different providers, and *still*
end up going down different wavelengths on the *same* piece of glass... ;)

Getting two providers to cough up where the cable *actually* goes can be
really difficult - and it's even worse when everybody's cable uses the same bridge
or tunnel or whatever to get past a river or similar obstruction....
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