On 2011-08-30, NPG <nat...@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 sky. > >> 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. > > _______________________________________________ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions