[Cerowrt-devel] [Codel] happy 4th!

Eric Dumazet eric.dumazet at gmail.com
Tue Jul 9 09:36:47 EDT 2013


On Tue, 2013-07-09 at 15:13 +0200, Toke Høiland-Jørgensen wrote:
> Eric Dumazet <eric.dumazet at gmail.com> writes:
> 
> > What do you mean ? This makes little sense to me.
> 
> The data from my previous post
> (http://archive.tohojo.dk/bufferbloat-data/long-rtt/throughput.txt)
> shows fq_codel achieving higher aggregate throughput in some cases than
> pfifo_fast does.
> 
> > I did not received a copy of your setup, so its hard to tell. But
> > using netem correctly is tricky.
> 
> The setup is this:
> 
> Client <--100mbit--> Gateway <--10mbit--> netem box <--10mbit--> Server
> 
> The netem box adds 100ms of latency to each of its interfaces (with no
> other qdisc applied).

OK, thats a total of 200 ms RTT. Its a pretty high value :(

Could you send "tc -s qdisc" taken at netem box ?






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