[Cerowrt-devel] PIE and ADSL2+

Fred Stratton fredstratton at imap.cc
Fri Nov 22 04:15:38 EST 2013

Thank you.

Are you still using ADSL2+, Sebastian, or have you moved to fibre?

On 22/11/13 09:10, Sebastian Moeller wrote:
> Hi Fred,
> On Nov 20, 2013, at 11:08 , Fred Stratton <fredstratton at imap.cc> wrote:
>> I have been using PIE instead of fq_codel for approximately 10 days. It works well.
> 	Intrigued by your report I went ahead and tested simple.qos with fq_codel and pie (cerowrt 3.10.18-1) with rrul against  demo.tohojo.dk:
>   /netperf-wrapper -l 300 -H demo.tohojo.dk rrul -p all_scaled -t my_silly_name
> 	Pie (with the default target of 20ms(?) shows around 120 ms ping delay (fq_codel shows 45ms) also the average downlink with fq_codel is roughly 10% higher than with pie. So at least in that test fq_codel seems better than pie. That said, compared to ping latencies up to 300ms (my primary router somehow restricts ;agencies to roughly 300ms)  with no AQM, just rate shaping with HTB, pie still keeps the internet more useable.
>> Should it?
> 	I think its designers wanted it to be a competent disc, so I guess it should :)
>> Has PIE been optimized for ADSL?
> Best Regards
> 	Sebastian
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