[ntp:questions] Questions about joining pool.ntp.org

unruh unruh at wormhole.physics.ubc.ca
Tue Aug 30 18:37:24 UTC 2011

On 2011-08-30, NPG <nathan at cmpublishers.com> wrote:
> On 8/30/2011 2:28 AM, David Lord wrote:
>> GPS or other radio time sources are not an essential requirement
>> for pool membership. 
> Correct.

Agreed. However, gps are cheap, and give great time for you to deliver. 
You do need to have somewhere to put the antenna that has a view of the

>> What is essential is a static ip address,
>> reliable 24/7 internet connection and good choice or internet
>> ntp servers. 
> That we have.
> I've implemented the syncing scheme originally mentioned.
> I still need to make some internal configuration adjustments before
> opening the floodgates and going live.
>> Local time sources and GPS just provide a holdover
>> period in event of internet outages so that your pool server is
>> ready to repond to requests as soon as internet connection is
>> re-established
> Right, currently the holdover option in the event of losing connectivity
> would be the server's stock time chip.
> However, that isn't the most desired solution long term.

That would be the server's cpu/hpet timer, not the rtc, since the rtc in
general have pretty bad timekeeping ( many PPM rate differences)

> This group has been a great source of ideas & information in building a
> long term plan.
> Thank you all.

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