SO_TIMESTAMP may go away

[Gary E. Miller]

Yo Hal!

On Mon, 04 Mar 2019 19:31:07 -0800
Hal Murray via devel <devel at ntpsec.org> wrote:

> dfoxfranke at gmail.com said:
> > One thing to keep in mind is that if the client is using
> > SO_TIMESTAMP but the server isn't, or vice versa, you're going to
> > introduce a persistent inaccuracy on the order of a microsecond,
> > due to the resulting asymmetry in the point at which the timestamp
> > is captured.   
> 
> That's another reason it's hard to notice.  If both systems do it
> wrong, the errors cancel.  Or partially cancel if their CPU speed
> doesn't match.

Yeah, and that still leaves us reading this differently...

RGDS
GARY
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Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
	gem at rellim.com  Tel:+1 541 382 8588

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    "If you can’t measure it, you can’t improve it." - Lord Kelvin
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