[time-nuts] Google public NTP service

Bob Camp kb8tq at n1k.org
Wed Nov 30 15:26:34 EST 2016


> On Nov 30, 2016, at 3:14 PM, Gary E. Miller <gem at rellim.com> wrote:
> Yo Michael!
> On Wed, 30 Nov 2016 14:21:39 +0000
> Michael Rothwell <michael at rothwell.us> wrote:
>> ... was just announced.
>> https://cloudplatform.googleblog.com/2016/11/making-every-leap-second-count-with-our-new-public-NTP-servers.html?m=1
> I sort of see where they are coming from, but this will cause problems.
> The NTP packets google sends out have no way to be marked as 'not UTC'.
> Given how promiscuous people are sharing NTP chimers these 'not UTC' 
> chimers will get into the mix.  When they diverge from the real UTC servers
> it will sorely confuse NTP clients.
> I would support an RFC to mark the type a time an chimer is servings.
> Not only smeared and UTC, but also TAI, UT, UT0, UT1, UT2, ET, TDT, TDB, 
> TT, TCG, TCB, GPS, etc…

That would probably be a good point to make on the NTP list :)

The gotcha is that there is essentially zero time to approve and implement something like that before the end of next
month …


> ---------------------------------------------------------------------------
> Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
> 	gem at rellim.com  Tel:+1 541 382 8588
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