[ntp:questions] NTP Synch >125msec Network Delays?

B. Dairiki bdairiki at yahoo.com
Wed Nov 12 00:13:02 UTC 2003


Clarification on earlier post.  Thanks for response
Brian.

Just to clarify.  I'm interested in network delays of
>128 ms and its impact on NTP synch.

Suppose I have a NTP time distribution local
configuration (IRIG-B reference - stratum 0, several
NTP stratum 1 servers, and multiple NTP stratum 2
servers) and I'm interested in linking up a few
distributed (very far away) workstations (NTP
stratum 2) over some long haul network that may have
network delays of say 300-500 ms (one-way) and assume
the round-trip is symmetric.  For these distributed
workstations, there is no NTP stratum 0/1 source other
than across the long haul network.

Can I expect NTP to maintain time synch on these
globally distributed workstations with high network
delays?

Thanks





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