[192172] in North American Network Operators' Group
Re: Dyn DDoS this AM?
daemon@ATHENA.MIT.EDU (Jean-Francois Mezei)
Fri Oct 21 21:20:46 2016
X-Original-To: nanog@nanog.org
To: nanog@nanog.org
From: Jean-Francois Mezei <jfmezei_nanog@vaxination.ca>
Date: Fri, 21 Oct 2016 21:12:23 -0400
In-Reply-To: <CAE6+G5Uxhykxp6kp2VDZNuXhceYBxtV=nzZ50qaPzc0k7ja-xw@mail.gmail.com>
Errors-To: nanog-bounces@nanog.org
On 2016-10-21 18:45, david raistrick wrote:
> switch too..). setting TTLs that make sense for a design that supports
> change is also easy.
Cuts both ways. Had Twitter had TTLs of say 7 days, vast majority
wouldn't notice an outage of a few hours because their local cache wa
still valid.
It does prevent one from reacting quickly to emergencies.
