Re: Answer to Dave Reed Re: Fwd: Re: Question the other way round:

I mean sojourn time, one way in the particular queue, as per CoDel, rather
than anything TCP-related.  Clearance rate is fairly simply related to
sojourn time, of course, given enough integration time for the statistics
to converge.


On 2 December 2013 02:57, Detlef Bosau <[email protected]> wrote:

> Am 01.12.2013 06:05, schrieb Andrew Mcgregor:
> > The actual clearance rate from the queue (or the sojourn time), if that
> > matters for your AQM scheme.  That way you are not assuming a known line
> > rate.
> Clearance rate or sojourn time?
>
> Clearance rate may apply for a packet delivery rate. From a TCP point of
> view, the sojourn time is the difference between the arrival of the
> according ACK and the time a data packet left the sender.
>
> So you omit any recovery latency.
>
>
>
> >
> > On 30 November 2013 00:13, Detlef Bosau <[email protected]> wrote:
> >
> >>  Am 29.11.2013 00:24, schrieb Andrew Mcgregor:
> >>
> >> In which case... measure, don't assume.  Served us well for 802.11
> >> modulation selection, I don't see why it shouldn't work for AQM.
> >>
> >>
> >> What do you want to measure?
> >>
> >
> >
>
>
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Andrew McGregor | SRE | [email protected] | +61 4 8143 7128