Sabotage investigation of fiber cuts... [collapsed RBOC rings]

Deepak Jain deepak at
Mon Nov 3 17:13:45 UTC 2003

> On Mon, 3 Nov 2003 08:15:11 -0500  "Douglas S. Peeples" wrote:
> > What you describe is a folded ring and is indicative of either a =
> > temporary
> > solution or bad network design. As a rule, phone companies and capacity
> > suppliers build very robust systems. =20
> >
> > Douglas S. Peeples
> > Technology Assurance Labs
> Are you sure?  On or about August 5th, 2003 in Augusta, ME, while cross
> examining a Verizon employee expert witness in testimony for Maine PUC
> Docket 2002-243, I got him to say muliple times under oath that 90% of
> Verizon's fiber rings in the state of Maine are at least partially
> collapsed, what you call a folded ring...  That is, only 10% of
> Verizon's fiber rings are fully redundant.[1]
> I don't have any proof of this but suspect that Maine is average and
> Verizon is average for a US RBOC.  I suspect that 90% of US RBOC fiber
> rings are at least partially collapsed...

Are you sure he wasn't talking about customer-buildings? I bet that 10% is
to their COs and most of the 90% don't pay to have redundant paths to their
building. If your business case is not sufficient for VZW or another company
to build redundantly, they will build folded rings.

Deepak Jain

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