[ntp:questions] Repost: Are there algorithm differences between 4.2.4 and 4.2.5?

David J Taylor david-taylor at blueyonder.neither-this-bit.nor-this.co.uk.invalid
Fri Apr 10 16:05:08 UTC 2009


David J Taylor wrote:
> Are there any algorithm of other differences which might cause
> noticeable performance differences between 4.2.4 and 4.2.5?  For
> example: 
> 
> - 4.2.5 being more reluctant to increasing the polling interval from
> 64s (with a mixture of local stratum-1 and Internet pool servers)?
> 
> - 4.2.5 showing an increased variability of offset when viewed on a
> timescale of minutes?
> 
> Of course, these may just be different manifestations of the same
> underlying difference.
> 
> Thanks,
> David

It would be good to hear from the algorithm experts about this topic.

There are some comparative results here:

 http://www.satsignal.eu/ntp/V4.2.4.vs.V4.2.5.html

Thanks,
David




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