[ntp:questions] Sub-millisecond NTP synchronization for local network

Unruh unruh-spam at physics.ubc.ca
Mon Dec 8 00:39:04 UTC 2008


hal-usenet at ip-64-139-1-69.sjc.megapath.net (Hal Murray) writes:


>>I expect the delay over the wireless link is symmetric, but it is entirely
>>plausible that it is not.  Are there any good utilities for analyzing the
>>directional delays of the network?  Or would the existence of such a tool
>>get rid of some of the problems in and of itself.

>The best way to measure the times in each direction is to setup
>good clocks on both ends.  You can do that with GPS clocks or
>something like an ethernet that is connected to both systems.

Of course in that case you would be far better off to just use those gps
clocks as the time source!



>-- 
>These are my opinions, not necessarily my employer's.  I hate spam.




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