[ntp:questions] very slow convergence of ntp to correct time.

Steve Kostecke kostecke at ntp.org
Mon Jan 28 19:42:32 UTC 2008


On 2008-01-28, David L. Mills <mills at udel.edu> wrote:

> Eric wrote:
>
>> [---=| TOFU protection by t-prot: 72 lines snipped |=---]
>
> That case and the ones you describe are exactly what the NTP burst
> mode is designed for. The first packet in the burst carves the caches
> all along the route and back. The clock filter algorithm tosses it out
> in favor of the remaining packets in the burst. No ICMP is needed or
> wanted.

Burst sends 8x packets to the remote time server at each poll interval.
This greatly increases the load posed any one client.

Perhaps it may be useful to allow the user to specify a smaller number
of packets.

-- 
Steve Kostecke <kostecke at ntp.org>
NTP Public Services Project - http://support.ntp.org/




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