[ntp:questions] Windows time question.

unruh unruh at wormhole.physics.ubc.ca
Fri Apr 22 15:22:30 UTC 2011

On 2011-04-22, Rob <nomail at example.com> wrote:
> Hal Murray <hal-usenet at ip-64-139-1-69.sjc.megapath.net> wrote:
>>>I would have hoped that the pool folk kept their documentation up-to-date, 
>>>so I'll post that on their list.  You didn't mention how to control the 
>>>number of servers uses - is it just multiple "pool" entries?
>> You only need one pool command.
>>   pool <server-name>
>> will use as many addresses from server-name as it needs.
>> If it doesn't get enough with the first DNS lookup, it will try
>> again in a minute or so, and keep trying until it gets enough.
>> The default is to collect 10 servers.
> If I were involved in the pool I would call that abuse!
> The pool DNS lookup now returns 3 servers, used to be 5.
> When everyone uses 10 servers the load on the pool as a whole is
> twice what it would need to be, and 3 times what would be the minimum
> reasonable value.

I agree. It is absurd. It seems to indicate that the ntp folk really
really do not trust the pool, and figure that if you get fewer than 10, you have a
reasonable chance that a majority will deliver bad time. Ie, they appear
to feel that the pool is a pretty useless souce of time. 

> Do the pool managers know that it works that way?

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