[time-nuts] Timing performance of servers

Bob Camp lists at rtty.us
Thu Oct 25 07:17:32 EDT 2012


Judah Levine (probably spelled his name wrong) from NIST has a series of papers on this. They go back into the 90's.

On Oct 24, 2012, at 6:47 PM, Magnus Danielson <magnus at rubidium.dyndns.org> wrote:

> Fellow time-nuts,
> When spending time on a conference last week, I heard one interesting comment that they lost data due to bad timing on their Windows servers.
> Now, I know that the standard Windows uses SNTP in order to achieve the goal of having the timing of the machines sufficiently aligned to allow Kerberos authentication. SNTP suffice for that, as it needs to be a handful of minutes in line.
> If you need better performance than that, you should use NTP (and then download and install Meinbergs Windows-client for NTP).
> Then again, I would point out that for this type of data, it would most probably be better served on a Linux box.
> What should be a nice wake-up call for them would be a summation of how different strategies would give them clock precision of sufficient grade. So, does anyone know of such measurements presented anywhere?
> There are bits and pieces, but the ideal for this case would be if they where collected in one page/paper.
> This is an awareness thing, so that people can do a little more well-informed choices.
> Cheers,
> Magnus
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