On Mon, 13 Oct 2003, R P Herrold wrote:
> Actually, as SONET is bi-directional, and we have an outage [a
> SONET ring should 'heal' by sending traffic in the non-broken
> direction], it means they have in us a segment with TWO cuts
> -- isolating us all the way back.
Unfortunately, logical diversity doesn't always equate to physical
diversity. Sometimes the only way to get physical diversity is by writing
it into a contract, as telcos are notorious for aggregating circuits
whenever it suits their purposes.
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