Gary Buhrmaster <gary.buhrmas...@gmail.com> writes: >> NTP isn't going to be the only "ripple". > > Most of the "brand name" GPS NTP solutions have a clock > with is more than stable enough to survive without GPS > lock for 45 minutes(*). Some of the more expensive units with > temperature controlled oscillators have hold times in the > many weeks. My guess is that the NTP ripples will be > limited to those NTP servers just (or recently) booted > which have not yet achieved a stable clock state. > > Gary > > (*) This presumes that this test results in loss of signal > lock, and not intentionally injected false information.
Seeing the ripples also presumes that people are monitoring their NTP system health more closely than just looking at the output of ntpq -p. :) -r
