[ntp:questions] Re: uk pool problem
Richard B. Gilbert
rgilbert88 at comcast.net
Tue Aug 29 15:33:24 UTC 2006
Eugen COCA wrote:
> why do you need to use 'ntpdate" ? You may use the last version of
> Regarding the pool, they have implemented a scoring algorithm by
> 1. Use ntpd not ntpdate;
> 2. Use a large number of servers (more than 9);
If you need more than seven, you have chosen the wrong seven! Four
should be sufficient for most applications.
Four are necessary and sufficient to protect against one false-ticker
Five are necessary and sufficient to protect against two false-tickers
Seven are necessary and sufficient to protect against three. . . .
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