[ntp:questions] SNTP test bench

Dag-Erling Smørgrav des at des.no
Thu Jan 31 12:57:43 UTC 2008

"David L. Mills" <mills at udel.edu> writes:
> The rate violation is caught in the MRU list, which can be retrieved
> using ntpdc and the monlist command. When the number of clients is
> small, the list can be retrieved over the net. When the number of
> clients is larte, like several hundred, there are many UDP packets and
> one or more are usually dropped. The solution at present is to run
> ntpdc on the server machine and pipe the monlist output to a local
> file.
> Each time a KoD is sent a counter is increased by one. Once each
> second the counter is decreased by one. If an offending packet arrives
> and the counter is less than 2, a KoD is sent; otherwise, the packet
> is dropped without further action. There probably should be some
> triage, but not without additional complexity.

This is both interesting and useful, but begs the question, which was
what "monitor" semantics are and how the parameter should be specified
(0-1, percentage, whatever)

Also, it wouldn't hurt to copy-paste what you wrote above into the
doc on udel.edu :)

Dag-Erling Smørgrav - des at des.no

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