[outages] Major Fiber Cut in Miami

[Jay Ashworth]

Nope; you're right.  Folks; please move the SONET semantics discussion to,
um, outages-discuss?

Cheers,
-- jra

----- Original Message -----
> From: "Ken J Guy" <Ken.Guy at ambest.com>
> To: "George Bonser" <gbonser at seven.com>
> Cc: outages at outages.org, outages-bounces at outages.org
> Sent: Saturday, March 5, 2011 5:40:27 PM
> Subject: Re: [outages] Major Fiber Cut in Miami
> I'm sorry to be a kvetch, but it seems to me that a simple outage
> notification on the "Outages" list has turned into a colloquium on
> SONET
> failure modes. If I should be in a different venue please flame away,
> but
> the SNR here for "Outages" lately is sometimes as bad as NANOG.
> 
> Ken Guy
> Network Architect
> AM Best Company
> 
> 
> 
> From:
> "George Bonser" <gbonser at seven.com>
> To:
> <frnkblk at iname.com>, "Owen DeLong" <owen at delong.com>
> Cc:
> outages at outages.org
> Date:
> 03/05/2011 04:52 PM
> Subject:
> Re: [outages] Major Fiber Cut in Miami
> Sent by:
> outages-bounces at outages.org
> 
> 
> 
> 
> 
> > On Behalf Of Frank Bulk
> > Sent: Saturday, March 05, 2011 1:27 PM
> > To: 'Owen DeLong'
> > Cc: outages at outages.org
> > Subject: Re: [outages] Major Fiber Cut in Miami
> >
> > While you're technically correct, it's not how it's commonly
> > implemented.
> > Well, maybe it's more common than I was aware. =) It's not how
> > regional and
> > state fiber networks in our neck of the woods do it.
> >
> > Frank
> 
> Concur. If a customer buys a "ring" they expect a ring. Protection is
> implied. If they buy a point-to-point, that is a different story. A
> protected point-to-point might be provisioned on a ring or it might be
> provisioned with two separate point-to-point circuits.
> 
> A "SONET ring failure" would require two faults. That said, I have
> seen
> cases where both sides of the ring enter a building by the same trench
> allowing one case of backhoe fade to take out the entire building.
> 
> 
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