On Tue, Feb 21, 2017 at 1:24 PM, Steven Sommars <[email protected]> wrote: > The IP hops taken by NTP requests & responses may depend on UDP source and > destination port numbers. It isn't unusual to find the delays associated > with such paths differing by 10+ msec. Traceroute delays may not match > those seen by NTP. > > NTP delays can be surprisingly long. I commonly see round-trip delays > between the US and Japan of over 20 seconds. There are some signs that NTP > is being throttled.
Round trip delays of 20+ seconds are surprising to me. I don't know what kind of network gear has enough buffers to store a packet for 20 seconds before forwarding; I would expect any packet to have been dropped long before. _______________________________________________ pool mailing list [email protected] http://lists.ntp.org/listinfo/pool
