Re: Calgary <-> Toronto 100% Canadian Fibre Resiliency on failover

[Mark Andrews <marka () isc org>]

In message <CAL9Qcx5izu6sDBGKUC+Q_MSeZAyhRB4OwxeiamSt1mSUvLSgyA () mail gmail com>, Tom Beecher writes:
> "But if provider 1 has its 1 fibre on the CN line and provider 2 has its
> 1 fibre along CP line (or road), then you can get diversity by getting
> bandwidth from both."
>
> That's not diversity. That's just a matter of time before the same backhoe
> catches them both. :)

It depends on how the lines "cross" each other.  Two tunnels and you
have physical seperation.  Crossing at the same level then you don't.

Mark
-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka () isc org