On Wed, Jul 8, 2015 at 9:11 AM, Jan Ceuleers <[email protected]> wrote: > On 08/07/15 17:55, Dave Taht wrote: >> That is a very interesting graph! Does ntp adjust system time backward >> based on getting nearly all it's samples with well over a 1/2 second >> of induced delay? > > If there is a consistent asymmetrical delay then yes. > > If the delay asymmetry is not persistent (but only occurs during up or > downloads) then the so-called huff-n-puff filter can be used to factor > it out. > > https://www.eecis.udel.edu/~mills/ntp/html/huffpuff.html
Judging from that graphic... I don't think huff and puff was designed for the bufferbloated era! so the question remains, in hal's tests, did ntp adjust the clock backwards? > Jan > > _______________________________________________ > Bloat mailing list > [email protected] > https://lists.bufferbloat.net/listinfo/bloat -- Dave Täht worldwide bufferbloat report: http://www.dslreports.com/speedtest/results/bufferbloat And: What will it take to vastly improve wifi for everyone? https://plus.google.com/u/0/explore/makewififast _______________________________________________ Bloat mailing list [email protected] https://lists.bufferbloat.net/listinfo/bloat
