Re: Static LSP Configuration

[Curtis Villamizar <curtis@workhorse.fictitious.org>]

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In message <4B6D09F3B826D411A67300D0B706EFDE84A795@nt-exch-yow.pmc-sierra.bc.ca
> > 
> > I do know of providers who want to eliminate the APS on the sonet
> > links under their MPLS network cutting some costs significantly (but
> > with all things considered, not in half).
> 
> What mechanism will they use to detect the failure then?

SONET framing is still used.  What is not used is a SONET protect
path.  SONET is involved in the detection, but plays no role in the
recovery.  It seems a few providers did buildouts in recent years
costing lots of money, and used SONET protect paths while there was
excess capacity.  Not the most efficient, but it works great.  Then as
the capacity filled but revenue had not yet met the demands of incured
debt, decided that they don't want the increased debt of a further
buildout and are seeking a more cost effective way to meet their SLAs.

Curtis