[ntp:questions] Client doesn't drop failed source

David Mills mills at udel.edu
Wed Jan 20 04:25:53 UTC 2010


Not true. The dispersion does increase, but the server is valid until 
the dispersion exceeds the select threshold, usually in four or five 
more missed messages.


David Woolley wrote:

> David Woolley wrote:
>> Looking at the, slightly out of date, 4.2.4p4, a reachability of 1/8 
>> is still acceptable.  Rejection during startup will be based on a high 
> On a further look, it looks like the source's quality measures are 
> invalidated after three consecutive missed replies.
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