On Mon, Jun 15, 2009 at 11:35 PM, Richard B. Gilbert<[email protected]> wrote: > The best choices, other things being equal, are the servers with the > lowest round trip delays.
As usual, though, all other things are not equal. Notice a number of the nearby servers have higher apparent jitter in the peers billboard snapshot. Look at individual associations using "ntpq -cas -p" to correlate peer to association ID then "ntpq -c 'rv ___'" filling in the blank with the association ID. Root dispersion plus dispersion from that output gives an estimate of maximum error for you from that source. Jitter (variability in apparent offset) is a killer. Low delay plus high jitter is not better than high delay plus low jitter. Cheers, Dave Hart _______________________________________________ questions mailing list [email protected] https://lists.ntp.org/mailman/listinfo/questions
