RE: Static LSP Configuration

[Shahram Davari <Shahram_Davari@pmc-sierra.com>]

What is the physical architecture? Is it still a ring? a single ring?

-Shahram

> -----Original Message-----
> From: Curtis Villamizar [mailto:curtis@workhorse.fictitious.org]
> Sent: Monday, May 06, 2002 8:46 PM
> To: Shahram Davari
> Cc: 'curtis@fictitious.org'; Sudheer Dharanikota; Gary Tam; 
> Ajay Simha;
> Ron Bonica; Brijesh Kumar; mpls@UU.NET; CCAMP WG
> Subject: Re: Static LSP Configuration 
> 
> 
> 
> 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
>