I've used NTP for years, but i was under the impression that it is not able to synchonize the clocks below 1 or 2 seconds. Can you point me towards a specific article that speaks about the configuration parameters to get ntp sync'd that low?
On Jan 3, 2008 10:25 PM, Bruce Griffiths <[EMAIL PROTECTED]> wrote: > > Michael Di Domenico wrote: > > This has probably been asked many times before, but i am unable to > > find any documentation to point me in the right direction. And yes i > > am a newbie with clocks... > > > > I'd like to synchronize the clock ticks on 16 different computers > > running linux, down to the 1usec area. Is this even possible from a > > computer hardware standpoint? > > > > If so, can someone point me towards some documentation that explains > > how to wire up 16 computers to a reference clock source and override > > the computer internal clocks? > > > > I found the Symetricom website, but it seems light on details on > > exactly how a solution like this all connects together and they're > > products are likely outside my budget. > > > > Ideally, I'd like to use the serial port on each of these 16 servers > > to connect to some device to get the synchronization signal from a > > reference. Even if this was possible, i don't think it would get me > > to 1usec though. > > > > Thanks > > - Michael > > > > > Michael > > Google ntp. > > It is unlikely that you will synchronise the computer clocks to within > 1us with ntp unless the computer hardware and operating system is > suitably modified. > This can be done cheaply (one machine needs to be setup as a dedicated > stratum 1 ntp server synchronised to a good time source like a M12M gps > timing receiver or equivalent device). > NTP broadcasts the required info as LAN packets. > > If you really need that precisionyou may need to use ptp with suitable > hardware (National Instruments and others have suitable boards) > NIST has a webpage on PTP. > > > Bruce > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
