Recent NTP pool traffic increase

Royce Williams royce at techsolvency.com
Wed Dec 21 05:21:47 UTC 2016


On Tue, Dec 20, 2016 at 8:19 PM, Royce Williams <royce at techsolvency.com> wrote:
> On Tue, Dec 20, 2016 at 8:04 PM, Yury Shefer <shefys at gmail.com> wrote:
>>
>> Google announced public NTP service some time ago:
>> https://developers.google.com/time/
>
> Leap smearing does look interesting as way to sidestep the
> potentially-jarring leap-second problem ... but a note of caution.
>
> I've had multiple time geeks tell me that leap-smearing is pretty
> different from strict-RFC NTP, and Google themselves say on that page:
>
> "We recommend that you don’t configure Google Public NTP together with
> non-leap-smearing NTP servers."
>
> So it looks like we shouldn't mix and match. And since most folks
> should probably want some heterogeneity in their NTP, it may be a
> little premature to jump on the leap-smear bandwagon just yet.
>
> I'm vague on the details, so I could be wrong.

This is informative:

https://docs.ntpsec.org/latest/leapsmear.html

> Does anyone know of any other (non Google) leap-smearing NTP implementations?

Royce


More information about the NANOG mailing list