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Date: Sat, 01 Sep 2012 05:51:24 -0700 From: Eric Dumazet <eric.dumazet@...il.com> To: Yuchung Cheng <ycheng@...gle.com> Cc: codel@...ts.bufferbloat.net, Dave Taht <dave.taht@...il.com>, Kathleen Nichols <nichols@...lere.com>, netdev <netdev@...r.kernel.org>, Nandita Dukkipati <nanditad@...gle.com>, Tomas Hruby <thruby@...gle.com> Subject: Re: [RFC v2] fq_codel : interval servo on hosts On Fri, 2012-08-31 at 18:37 -0700, Yuchung Cheng wrote: > Just curious: tp->srtt is a very rough estimator, e.g., Delayed-ACks > can easily add 40 - 200ms fuzziness. Will this affect short flows? Good point Delayed acks shouldnt matter, because they happen when flow had been idle for a while. I guess we should clamp the srtt to the default interval if (srtt) q->cparams.interval = min(tcp_srtt_to_codel(srtt), q->default_interval); -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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