For a typical site, there are two distinct desires from the same NTP
First, synchronization with the rest of the world, which is generally over
-----Original Message----- From: NANOG [mailto:nanog-bounces@nanog.org] On Behalf Of Leo Bicknell Sent: Monday, May 16, 2016 10:28 AM To: nanog@nanog.org Subject: Re: Cost-effectivenesss of highly-accurate clocks for NTP process. the WAN and the topic that was well discussed in your post.
I agree completely that the largest factor is WAN jitter.
Leo Bicknell - bicknell@ufp.org PGP keys at http://www.ufp.org/~bicknell/
I was just thing about this WAN jitter issue myself. I'm wondering how many folks put NTP traffic in priority queues? At least for devices in your managed IP ranges. Seems like that would improve jitter. Would like to hear about others doing this successfully prior to suggesting it for our network. Chuck