flent-docker

Dockerized flent app for Realtime Response Under Load Network Test

If you have doubts about dockerizing flent due to its impact on results. Please compare below results. Both were done with same source and destination hosts. Only difference is dockerized version of flent.

Setup

Building image

$ docker build -t <image_name> -f <Dockerfile> .

Example:

$ docker  build -t flent -f Dockerfile .

Usage

Running default test

$ docker run --rm --volume=<path_to_local_directory>:/data flent

Example:

$ docker run --rm --volume=/data:/data flent

Results and Test chart will be stored in <path_to_local_directory>

Above command will run flent with options:

$ flent   rrul \
        -p all_scaled \
        -l 60 \
        -H netperf-eu.bufferbloat.net \
        -o /data/RRUL_Test.png \
        --figure-width=20 \
        --figure-height=15 \
        -z

Runing with different options

Flent can be run also with custom options

$ docker run --rm --volume=<path_to_local_directory>:/data flent <options>

Example:

$ docker run --rm --volume=<path_to_local_directory>:/data flent \ 
	rrul_torrent \
        -p totals \
        -l 30 \
        -H netperf-eu.bufferbloat.net \
        -o /data/RRUL_Test_Custom.png \
        --figure-width=20 \
        --figure-height=15 \
        -z

Tests worth trying:

• rrul
• rrul_torrent
• rtt_fair
• tcp_12down

All available tests can be displayed with

$ flent --list-tests

Help

$ docker run --rm --volume=<path_to_local_directory>:/data flent --help

Inspired by:

Bufferbloat - Wikiipedia

bufferbloat.net

OpenWRT SQM configuration