nanog mailing list archives
Re: fiber cut 19 May/PM -> 20 May/AM in Ashburn, VA (lawnmower?!)
From: Joe Abley <jabley () isc org>
Date: Fri, 21 May 2004 10:23:04 -0400
On 21 May 2004, at 08:09, Robert E. Seastrom wrote:
sonet, obviously, does not *have* to be in a ring, but it often is. unfortunately, a fair percentage of the time, the additional protection offered by a ring topology is a mirage, due to a configuration known as "collapsed backbone". in this instance, both pairs of fiber ride in the same conduit for some portion of the distance
... or even as two wavelengths on the same pair of fibre. It's a sick, sick, twisted world. Joe
Current thread:
- fiber cut 19 May/PM -> 20 May/AM in Ashburn, VA (lawnmower?!) Robert E. Seastrom (May 20)
- Re: fiber cut 19 May/PM -> 20 May/AM in Ashburn, VA (lawnmower?!) P.Schroebel (May 20)
- Re: fiber cut 19 May/PM -> 20 May/AM in Ashburn, VA (lawnmower?!) Sean Donelan (May 20)
- Re: fiber cut 19 May/PM -> 20 May/AM in Ashburn, VA (lawnmower?!) Dan Armstrong (May 20)
- Spring time fiber cuts (was Re: fiber cut 19 May/PM -> 20 May/AM) Sean Donelan (May 20)
- Re: Spring time fiber cuts (was Re: fiber cut 19 May/PM -> 20 May/AM) fkittred (May 21)
- Re: fiber cut 19 May/PM -> 20 May/AM in Ashburn, VA (lawnmower?!) Robert E. Seastrom (May 21)
- Re: fiber cut 19 May/PM -> 20 May/AM in Ashburn, VA (lawnmower?!) Dan Armstrong (May 21)
- Re: fiber cut 19 May/PM -> 20 May/AM in Ashburn, VA (lawnmower?!) Joe Abley (May 21)
- Re: fiber cut 19 May/PM -> 20 May/AM in Ashburn, VA (lawnmower?!) Deepak Jain (May 21)
- RE: fiber cut 19 May/PM -> 20 May/AM in Ashburn, VA (lawnmower?!) Dan Hanson (danhanso) (May 21)
- Re: fiber cut 19 May/PM -> 20 May/AM in Ashburn, VA (lawnmower?!) Dan Armstrong (May 20)
- <Possible follow-ups>
- Re: fiber cut 19 May/PM -> 20 May/AM in Ashburn, VA (lawnmower?!) sgorman1 (May 21)
- Re: fiber cut 19 May/PM -> 20 May/AM in Ashburn, VA (lawnmower?!) Sean Donelan (May 21)
- RE: fiber cut 19 May/PM -> 20 May/AM in Ashburn, VA (lawnmower?!) Burton, Chris (May 21)