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On Wed, 19 Sep 2018 at 11:54, James Bensley <jwbensley at gmail.com> wrote:
> I forgot to mention, it also depends how "out" of band your OOB needs
> to be. We use Ciena 6500s for our DWDM infrastructure and they have a
> wayside channel (like various DWDM vendors), so it's a separate
> channel over the same physical fibre. For anything except a fibre cut
> it seems to work.
This is gold standard for incumbents, as they don't have anything true
out-of-band they can consistently buy, everything travels in their
network at some point anyhow.