And unfortunately, sometimes cuts might be deliberate. I havent kept up on what the FBI came up with, but they were investigating some cuts in the Bellingham, WA area. Same cable was cut twice over the course of 2 years.
http://www.usatoday.com/tech/news/2003-09-04-fiber-fails_x.htm Dan Hanson > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On > Behalf Of Deepak Jain > Sent: Friday, May 21, 2004 9:42 AM > To: Joe Abley > Cc: Robert E. Seastrom; Dan Armstrong; [EMAIL PROTECTED] > Subject: Re: fiber cut 19 May/PM -> 20 May/AM in Ashburn, VA > (lawnmower?!) > > > > >> configuration known as "collapsed backbone". in this > instance, both > >> pairs of fiber ride in the same conduit for some portion of the > >> distance > > > > > > ... or even as two wavelengths on the same pair of fibre. > > > > It's a sick, sick, twisted world. > > > Come on, that is what we call lambda-diversity. In case your > fiber fails > to carry, say 1550nm in the middle of the night, you are > protected with > your 1590nm lambda. > > I don't believe how many people engineer for physical > diversity and not > lambda diversity -- and then its too late. > > <jk, I've been up since 6:30am> > > DJ > >