[ntp:questions] Re: Philosophical question about strata

Brad Knowles brad at stop.mail-abuse.org
Thu Oct 13 01:23:54 UTC 2005

At 5:08 PM -0700 2005-10-12, Lee Sailer wrote:

>  Now, it seems to me that a stratum 2 server will never have this
>  problem.  It gets time from several places, and uses the various
>  algorithms to try to make sense.  The stratum 1 gets time from a bunch
>  of satellites, and then if it screws up the calculation or has some
>  sort of hardware glitch, then it is screwed.

	This is why the recommended practice at large shops is to set up 
a set of Stratum 1 time servers, which feed a network of Stratum 2 
time servers.  The "regular" clients on the network *only* talk to 
the Stratum 2 time servers, and never directly to the Stratum 1 time 

Brad Knowles, <brad at stop.mail-abuse.org>

"Those who would give up essential Liberty, to purchase a little
temporary Safety, deserve neither Liberty nor Safety."

     -- Benjamin Franklin (1706-1790), reply of the Pennsylvania
     Assembly to the Governor, November 11, 1755

   SAGE member since 1995.  See <http://www.sage.org/> for more info.

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