Are people still building SONET networks from scratch?

Christopher Morrow morrowc.lists at
Thu Sep 6 19:30:00 UTC 2012

On Thu, Sep 6, 2012 at 2:12 PM, Will Orton <will at> wrote:
> . I suppose they were all built
> directly on the fiber (maybe with WDM but no layer1.5-2 muxing) and the
> provider was always the one who handled protection switching?

or protection at the optical layer isn't as predictable for all
aspects as L3 'protection' is...

or something.

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