Re: [outages] Level 3 down in Atlanta
It's possible the faulty device was an aggregation router and only those customers connected to it saw the outage. Redundancy within Level(3)'s network would not have helped customers with only a single connection off the affected device. At some point it becomes the customer's responsibility to redundantly connect to their upstreams (as in buy two connections on different aggregation routers :-). I didn't see any L3 issues up here in Detroit, so whatever outage L3 had was apparently contained within that one POP or region. No cascade failures I can see... -Bill
Level 3 has a single router or switch handling packets at a major POP?
I doubt this, but the outage is confirmation something bad happened.
That said: where's the redundancy, and why didn't it kick in?
--
| Jeremy Chadwick jdc@parodius.com |
| Parodius Networking http://www.parodius.com/ |
| UNIX Systems Administrator Mountain View, CA, USA |
| Making life hard for others since 1977. PGP: 4BD6C0CB |
We saw the problem and we have redundant connections to Level 3 in Atlanta.......... On Oct 20, 2009, at 1:31 PM, Bill Wichers wrote:
It's possible the faulty device was an aggregation router and only those customers connected to it saw the outage. Redundancy within Level(3)'s network would not have helped customers with only a single connection off the affected device. At some point it becomes the customer's responsibility to redundantly connect to their upstreams (as in buy two connections on different aggregation routers :-).
I didn't see any L3 issues up here in Detroit, so whatever outage L3 had was apparently contained within that one POP or region. No cascade failures I can see...
-Bill
Level 3 has a single router or switch handling packets at a major POP? I doubt this, but the outage is confirmation something bad happened.
That said: where's the redundancy, and why didn't it kick in?
-- | Jeremy Chadwick jdc@parodius.com | | Parodius Networking http:// www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP: 4BD6C0CB |
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