nanog mailing list archives

Re: Dyn DDoS this AM?


From: Jean-Francois Mezei <jfmezei_nanog () vaxination ca>
Date: Fri, 21 Oct 2016 21:12:23 -0400

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.


Current thread: