On Tue, Jan 09, 2018 at 11:09:43AM +0100, Miroslav Lichvar wrote:
> It's not clear to me how would that work. Let's say I have a
> grandmaster GM, slave S and monitoring node N, and I don't know how
> much asymmetry is there on any of the paths GM-S, GM-N and S-N. How
> will measuring offset of GM and S from N help me?

I think I said that this works when N==GM.
 
> My feeling is that the protocol was not intended for accurate
> measurements, but rather for detecting faults and bugs, where the
> clocks drift off too much, etc.

Yes, that appears to be the most important use case.

Thanks,
Richard

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