[168715] in North American Network Operators' Group
Re: TWC (AS11351) blocking all NTP?
daemon@ATHENA.MIT.EDU (John R. Levine)
Mon Feb 3 15:50:28 2014
Date: 3 Feb 2014 15:50:03 -0500
From: "John R. Levine" <johnl@iecc.com>
To: "Jared Mauch" <jared@puck.nether.net>
In-Reply-To: <AF7ADF67-FFCC-4B83-ABA4-9BD6BE96EEB8@puck.nether.net>
Cc: Joel M Snyder <Joel.Snyder@Opus1.COM>, nanog list <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
>> I was thinking that the ntp.org servers on any particular network are a small set of exceptions to a general rule to rate limit outgoing NTP traffic.
>
> www.pool.ntp.org allows any NTP operator to opt-in to receive NTP traffic should their clock be available and accurate.
I believe you, but I don't believe that the set of ntp.org servers changes
so rapidly that it is beyond the ability of network operators to handle
the ones on their own networks as a special case.
Regards,
John Levine, johnl@iecc.com, Primary Perpetrator of "The Internet for Dummies",
Please consider the environment before reading this e-mail. http://jl.ly