qos_project
Differences
This shows you the differences between two versions of the page.
Both sides previous revisionPrevious revisionNext revision | Previous revisionNext revisionBoth sides next revision | ||
qos_project [2017/11/30 18:48] – [Extracts] samer | qos_project [2017/12/03 13:05] – [2. Software] samer | ||
---|---|---|---|
Line 12: | Line 12: | ||
- | [{{ :tp-link.jpg? | + | [{{ :glinet.jpg? |
- | + | ||
- | [{{ :glinet.jpg? | + | |
===== -. Software ===== | ===== -. Software ===== | ||
The following tools can help in assessing the QoS on the platform: | The following tools can help in assessing the QoS on the platform: | ||
- | Install and compile netperf: | + | * Install and compile netperf: |
<code bash> | <code bash> | ||
wget https:// | wget https:// | ||
Line 29: | Line 27: | ||
</ | </ | ||
- | Install matplotlib and fping | + | * Install matplotlib and fping |
<code bash> | <code bash> | ||
Line 42: | Line 40: | ||
</ | </ | ||
- | Install VLC as in this | + | * Install VLC as in this |
[[https:// | [[https:// | ||
Line 203: | Line 201: | ||
</ | </ | ||
===== -. [CO2] Implementing the Applications and Tools ===== | ===== -. [CO2] Implementing the Applications and Tools ===== | ||
- | In order to describe and analyze the basic steps for installing and using the tools and client/ | ||
- | Let's start with the application iperf: | + | <WRAP center round info 100%> |
- | + | * Accomplished | |
- | - To activate iperf3: | + | * Using the tools to obtain performance results of basic tests |
- | | + | * Wiki tutorial on the tools and applications |
- | | + | * Exceeded |
- | + | * Installing tools on a new device | |
- | - To visualize UDP trafic with a specific bandwidth: | + | </WRAP> |
- | * On the client side: iperf3 -c 192.168.200.192 -u -b 2M | + | |
- | Here we set the bandwidth with UDP to 2Mbit/s. | + | |
- | Note that by default ,UDP sets the bandwidth to 1Mbit/s | + | |
- | - To extend | + | In order to describe and analyze |
- | * On the Client side: iperf3 | + | ==== -. iperf tool ==== |
- | Note that by default, iperf3 sets the time to 10 seconds | + | |
- | - To reverse mode(server sends, client receives): | + | Let us start with the application iperf. In the following, we present a short tutorial on the main functions of the perf tool. |
- | * On the Client side: iper3 -c 192.168.200.192 -R | + | |
- | - To end multiple flows: | + | * To launch iperf3: |
- | | + | * On the server |
+ | * On the client side: '' | ||
- | Here we are sending 2 flows in 1 min(60 seconds) | + | * By default, |
- | Note that we need to extend more the tx time in order to have similar throughput for the 2 flows so that we don't consider it as a fairness issue. | + | * On the client side: iperf3 -c 192.168.200.192 -u -b 2M |
- | Let's analyze flent application: | + | Here we set the bandwidth with UDP to 2Mbit/s. Note that by default, UDP sets the bandwidth to 1Mbit/s. |
- | * On the Server side: netserver & | + | |
- | -To visualize one TCP stream: | + | |
- | * On the Client side: flent tcp_upload -p totals -l 60 -H 192.168.200.192 -t title2 -o test2.png | + | |
- | -To visualize 12 TCP streams: | + | |
- | * On the Client side: flent tcp_12up -p totals -l 60 -H 192.168.200.192 -t title3 -o test3.png | + | |
+ | * To extend the transmission time(second) as well as the number packets sent: | ||
+ | * On the Client side: '' | ||
+ | Note that by default, iperf3 sets the time to 10 seconds. | ||
+ | * To use reverse mode (server sends the trafic and client receives): | ||
+ | * On the Client side: '' | ||
+ | * To send multiple flows: | ||
+ | * On the Client side: '' | ||
+ | Here we are sending two flows for one minute (60 seconds). We note that the average rate for the two flows can be different. However, this is not a fairness issue: we only need to extend the transmit time in order to have similar throughput for the two flows. | ||
+ | ==== -. Flent Tool ==== | ||
+ | Let us now analyze [[ https:// | ||
+ | * On the Server side: '' | ||
+ | * To sent one TCP stream from the client to the server: | ||
+ | * On the Client side: '' | ||
+ | * To send 12 TCP streams: | ||
+ | * On the Client side: '' | ||
qos_project.txt · Last modified: 2021/08/28 09:58 by samer