[ntp:questions] Synchronize clocks without a reference clock

Danny Mayer mayer at ntp.isc.org
Sat Mar 31 17:30:35 UTC 2007


Steve Kostecke wrote:
> On 2007-03-24, Danny Mayer <mayer at ntp.isc.org> wrote:
> 
>> The biggest problem with peer is that you have to specify each and every
>> system you want to have participate in the scheme. With broadcast and
>> multicast you don't need to do that, they find each other.
> 
> There is a price to be paid for the "simplified" peer configuration
> afforded by broadcast and multicast modes.
> 
> The broadcast delay that is calculated during the unicast phase of the
> association set-up may not be valid when there is a substantial change in
> network conditions.
> 

True, though the regular autokey dance will allow it to recalculate
round-trip delays again.

Danny



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