[ntp:questions] NTP request retry?
stenn at ntp.org
Tue Jan 28 00:55:26 UTC 2014
Brian Utterback writes:
> On the other hand, I have definitely observed that phenomenon as a
> source of asymmetric round trip time. The outgoing request packet gets
> delayed for ARP request and reply at each hop, but the return packet has
> no such delay. Quite a while ago I suggested a special burst mode where
> two packets were sent, one shortly after the other and the first one
> would be ignored. Dr. Mills said that the first would generally be
> ignored because of the longer round trip time (delay), but I thought
> that treating the first packet as a throw away would be better because
> otherwise you end up with half the number of "good" samples in the
> billboard. Anyway, nothing every came of the discussion.
I'm game to see this discussion warmed up.
More information about the questions