[ntp:questions] high precision tracking: trying to understand sudden jumps

Hal Murray hal-usenet at ip-64-139-1-69.sjc.megapath.net
Tue Apr 1 04:51:48 UTC 2008


>>probably have make use of PTP (precision timing protocol).
>
>No idea what that is. If you had wanted super precision you would have put
>a GPS onto each machine, I hope. 
>
>From the Wikipedia entry on PTP it looks absolutely no different from ntp.
>I have no idea what the idea is. 

The basic idea is to do the time stamping in hardware deep in
the network adaper.  That avoids lots and lots of jitter.

-- 
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