Re: [time-nuts] NTP pool reliability

2020-02-15 Thread Steven Sommars
NTP pool performance depends on several factors. The primary pool monitor, located in Newark, New Jersey, periodically polls each NTP server. Based on reachability and calculated offset each server is assigned a score. See https://www.ntppool.org/scores/192.36.143.151 for example. If a

Re: [time-nuts] NTP pool reliability

2020-02-15 Thread paul swed
Yes. Not scientific but I noticed one of my servers drifting in time. Changed to another NTP source seems fine. Regards Paul WB8TSL On Sat, Feb 15, 2020 at 12:09 PM Steve Allen wrote: > During the past week my monitors on several of our telescope control > machines started alerting me that

[time-nuts] NTP pool reliability

2020-02-15 Thread Steve Allen
During the past week my monitors on several of our telescope control machines started alerting me that their NTP quality was degrading. The unhappy ones were using out of the box configurations of N.pool.centos.pool.ntp.org We surmised that the NTP packets were not reliably traversing the WAN, and