IP and Optical domains?
Masataka Ohta
mohta at necom830.hpcl.titech.ac.jp
Mon Jun 20 20:38:10 UTC 2016
Mark Tinka wrote:
> Layer 2 transport is required in any scenario.
Yes, of course, as I wrote:
> all the thing to be done at L2 is to watch BER/FER
> above some threshold.
I don't deny L2 exist, though, if L3 protocols were properly
designed, L2 protection is not required.
> Dark fibre, for example,
> would not have any optical kit on it, and can be fired through
> router-to-router optics.
That's L1, which is also required to exist.
> We primarily over-provision to support growth. Resiliency comes as
> secondary benefit.
>
> If you are deploying additional bandwidth just for protection, I hope
> you're my competitor.
So, you deny the original point of "The result of this is that the
networks are heavily underutilized". OK.
Masataka Ohta
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