[Outages-discussion] Internet Outage Hits Time Warner Customers in southern California - now up

[Frank Bulk]

I don't understand how they could lose a DHCP server/cluster, unless it
wasn't designed with HA in mind.

Frank

-----Original Message-----
From: outages-discussion-bounces at outages.org
[mailto:outages-discussion-bounces at outages.org] On Behalf Of Jay Ashworth
Sent: Sunday, August 28, 2011 11:19 PM
To: outages-discussion
Subject: Re: [Outages-discussion] Internet Outage Hits Time Warner Customers
in southern California - now up

----- Original Message -----
> From: "Frank Bulk" <frnkblk at iname.com>

> Anyone want to speculate what happened here? Routing to a DHCP or TFTP
> server? Something else?

"Don't unplug your modem" is nearly always a DHCP (or provisioning) server
failure, and Road Runner is prone to those; they switched from per-cluster
to regional DHCP in Tampa Bay about 7-8 years ago... and promptly had
*three*
wide-area DHCP failures in about 18 months.

I'm amazed which ever top-level architecture person was responsible for that
decision being taken hasn't been fired, myself; they'd *never* had a wide
area failure in this market before that, in my experience with them.

Cheers,
-- jra
-- 
Jay R. Ashworth                  Baylink
jra at baylink.com
Designer                     The Things I Think                       RFC
2100
Ashworth & Associates     http://baylink.pitas.com         2000 Land Rover
DII
St Petersburg FL USA      http://photo.imageinc.us             +1 727 647
1274
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