[ntp:questions] SNTP with 1ms of precision?

David J Taylor david-taylor at blueyonder.co.uk.invalid
Thu Jun 17 18:20:32 UTC 2010

> David,
> CONGRATULATIONS!!! Very good tests and presentations!! Very very good!!! 
> You
> gave me real results and all your reports are consistent and show that 
> it's
> impossible to have usec and nsec precision using NTP though Ethernet. 
> You
> have SO stack latency and it's a Layer 7 protocol!!!
> One more time... congratulations!!! It's helped a lot!!! I hope you page 
> be
> on line forever =)   I have to see all things that you wrote over there 
> yet
> but... I think is everything that I was looking for.
> Thank you very much

I'm glad you liked the page - it was millisecond precision (or the lack of 
it) that I was hoping to demonstrate - as you asked in the title of your 
topic "SNTP with 1ms of precision?"  I read ms as millisecond. 
Microsecond I think you will be struggling.

BTW: there is a simplified configuration diagram of my network here:



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