Redundancy

>>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.

This entry was originally posted in my livejournal