[154271] in North American Network Operators' Group
Re: FYI Netflix is down
daemon@ATHENA.MIT.EDU (Seth Mattinen)
Sat Jun 30 14:21:54 2012
Date: Sat, 30 Jun 2012 11:21:08 -0700
From: Seth Mattinen <sethm@rollernet.us>
To: nanog@nanog.org
In-Reply-To: <CAB2RJygskZsKAUzwKbeotMOm4Tg=OWbcr=HSGHP751nAqgOhog@mail.gmail.com>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On 6/30/12 9:25 AM, Todd Underwood wrote:
>
> On Jun 30, 2012 11:23 AM, "Seth Mattinen" <sethm@rollernet.us
> <mailto:sethm@rollernet.us>> wrote:
>>
>>
>> But haven't they all been cascading failures?
>
> No. They have not. That's not what that term means.
>
> 'Cascading failure' has a fairly specific meaning that doesn't imply
> resilience in the face of decomposition into smaller parts. Cascading
> failures can occur even when a system is decomposed into small parts,
> each of which is apparently well run.
>
I honestly have no idea how to parse that since it doesn't jive with my
practical view of a cascading failure.
~Seth
