Comment 44 for bug 1670041

Kirill, would it be possible to run again your experiments, but using bbr congestion control ?

Note that you should use 4.13-rc1 so that following commit is included :
commit 218af599fa635b107cfe10acf3249c4dfe5e4123 ("tcp: internal implementation for pacing")

lpaa5:~# modprobe tcp_bbr
lpaa5:~# cat /proc/sys/net/ipv4/tcp_available_congestion_control
cubic reno bbr
lpaa5:~# cat /proc/sys/net/ipv4/tcp_congestion_control
cubic
lpaa5:~# echo bbr >/proc/sys/net/ipv4/tcp_congestion_control
lpaa5:~# cat /proc/sys/net/ipv4/tcp_congestion_control
bbr

<run your iperf tests>