bc10-router/measuring network performance
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[[labs.beatcraft.com]]
[bc10-router]
#contents
* Measuring the Network Performance of bc10-router [#v105...
>
Connecting with a PC, the network performance of bc10-rou...
** Network structure and the connections of equipments [#...
>
The structure of network is shown in the diagram below.~
#ref(network.jpg,,80%);~
** Measuring equipments [#xa5ee6a5]
>
The measurement of throughput is influenced by the capabi...
~
>
bc10-router~
- CPU: ARMv7 Processor rev3 (v71) (OMAP3530 600NHz)~
-- BogoMIPS: 585.04~
- OS: arago-project based Linux~
-- kernel: 3.3.7~
- USB AC Powered Hub~
- WAN Side Interface: USB-Either Adapter Buffalo LUA3-U2-...
- LAN Side Interface (Access point): USB Wi-Fi Adapter Bu...
>
PC1~
- CPU: Intel(R) Atom(TM) CPU N280 @1.66GHz~
-- CPU MHz: 800.000 x2~
-- BogoMIPS: 3324.89~
- OS: Ubuntu 12.04 (32bit)~
-- kernel: 3.2.0-34-generic-pae~
- Network interface: Atheros Communications Inc. AR8132 F...
>
PC2~
- CPU: Intel(R) Atom(TM) CPU N270 @1.60GHz~
-- CPU MHz: 800.000 x2~
-- BogoMIPS: 3191.84~
- OS: Ubuntu 12.10 (32bit)~
-- kernel: 3.5.0-19-generic~
- Network interface: USB Wi-Fi Adapter LAN-W150N/U21PH (R...
~
** Measuring tools [#j4153a31]
>
The applications, which used to measuring the performance...
*** iperf [#b05e1941]
>
[[http://iperf.surceforge.net/]]~
This application measures the throughput of a network. It...
~
>
- Example of Command
-- Server Side
# iperf -s
--------------------------------------------------------...
Server listening on TCP port 5001
TCP window size: 85.3 KByte (default)
--------------------------------------------------------...
[ 4] local 192.168.0.121 port 5001 connected with 192.1...
[ ID] Interval Transfer Bandwidth
[ 4] 0.0-10.1 sec 113 MBytes 93.9 Mbits/sec
Executing the command, the server side waits the signal f...
>
-- Client Side
# iperf -c 192.168.0.121
--------------------------------------------------------...
Client connecting to 192.168.0.121, TCP port 5001
TCP window size: 20.7 KByte (default)
--------------------------------------------------------...
[ 3] local 192.168.0.138 port 57944 connected with 192....
[ ID] Interval Transfer Bandwidth
[ 3] 0.0-10.0 sec 113 MBytes 94.4 Mbits/sec
To measure throughput, the client side measures how much ...
*** nuttcp [#s508a225]
>
[[http://www.nuttcp.net/nuttcp/Welcome%20Page.html]]~
This application is a measurement tool, which assesses th...
>
- Example of Command
-- Server Side
# nuttcp -S
-- Client Side~
In the example below, the client side reports the current...
# nuttcp -i1 192.168.30.1
3.4375 MB / 1.00 sec = 28.8239 Mbps 0 retrans
4.2500 MB / 1.00 sec = 35.6477 Mbps 0 retrans
4.4375 MB / 1.00 sec = 37.2260 Mbps 0 retrans
4.0000 MB / 1.00 sec = 33.5599 Mbps 0 retrans
4.1875 MB / 1.00 sec = 35.1245 Mbps 0 retrans
4.6250 MB / 1.00 sec = 38.7930 Mbps 0 retrans
5.0625 MB / 1.00 sec = 42.4717 Mbps 0 retrans
4.7500 MB / 1.00 sec = 39.8342 Mbps 0 retrans
4.8750 MB / 1.00 sec = 40.8950 Mbps 0 retrans
4.9375 MB / 1.00 sec = 41.4344 Mbps 0 retrans
44.8750 MB / 10.07 sec = 37.3973 Mbps 3 %TX 18 %RX 0...
The results indicate that 44.8750MB data is sent in 10.07...
TX means the occupancy rate of CPU at client side,~
RX indicates the occupancy rate of CPU at server side,~
returns mean TCP retransmission packet number, and~
msRTT indicates Round Trip Time in microsecond.~
** Measuring method [#f3b672b8]
>
To measure the performance of bc10-router, the network, w...
~
To analyze the quality of network, it is critical to find...
** Measurements of network performance [#ce8f899f]
>
The measurements are done at WAN side and LAN side. WAN s...
*** Between PC1 and bc10-router eth0 [#wb53d54f]
>
- Measured by iperf~
WAN side: PCI iperf -s~
LAN side: bc10-router iperf -c 192.168.0.121~
>
|N | 1| 2| 3| 4| 5| 6| 7| 8| 9| 10|Av...
|Mbps|94.3|94.4|94.3|94.4|94.5|94.5|94.5|94.4|94.5|94.5|9...
>
- Measured by nuttcp~
WAN side: PC1 nuttcp -S~
LAN side: bc10-roter nuttcp 192.168.0.121~
>
|N | 1| 2| 3| 4| 5| 6| ...
|Mbps |93.8193|93.8823|93.8867|93.8905|93.8875|93.8842|...
|%TX |51 |50 |50 |50 |50 |50 |...
|%RX |23 |23 |23 |23 |23 |23 |...
|retrans|0 |0 |0 |0 |0 |0 |...
|msRTT |0.73 |0.85 |1.17 |0.92 |0.89 |0.89 |...
>
Because it is a wired connection, there is not much fluct...
?
*** Between bc10-router wlan0 and PC2 [#se5e57e4]
>
- Measured by iperf~
WAN side: bc10-router iperf -s~
LAN side: PC2 iperf -c 192.168.30.1~
>
|N | 1| 2| 3| 4| 5| 6| 7| 8| 9| 10|Avg...
|Mbps|25.9|23.9|18.5|18.8|20.1|18.2|20.0|19.2|18.4|21.3|2...
>
- Measured by nuttcp~
WAN side: bc10-router nuttcp -S~
LAN side: PC2 nuttcp 192.168.30.1~
>
|N | 1| 2| 3| 4| 5| 6| ...
|Mbps |18.8347|17.9976|19.0259|19.7316|18.6814|19.8820|...
|%TX |1 |1 |1 |1 |1 |1 |...
|%RX |10 |9 |10 |10 |10 |10 |...
|retrans|0 |0 |0 |0 |0 |0 |...
|msRTT |2.62 |1.48 |1.65 |1.83 |1.73 |1.75 |...
>
As AP of bc10-router is set for 11n, PC2, the client, is ...
*** Between PC1 and bc10-router and PC2 [#r44aae08]
>
- Measured by iperf~
WAN side: PC1 iperf -s~
LAN side: PC2 iperf -c 192.168.0.121~
>
|Time | 1| 2| 3| 4| 5| 6| 7| 8| 9| 10|...
|Mbps|25.1|23.1|25.6|22.8|22.2|22.7|19.5|19.0|17.8|20.7|2...
>?
- Measured by nuttcp~
WAN side: PC1 nuttcp -S~
LAN side: PC2 nuttcp 192.168.0.121~
>
|Time | 1| 2| 3| 4| 5| ...
|Mbps |26.7209|21.7524|23.4219|23.3507|22.5851|21.9455|...
|%TX |1 |1 |1 |1 |1 |1 |...
|%RX |8 |7 |7 |7 |7 |7 |...
|retrans|0 |0 |0 |0 |0 |0 |...
|msRTT |1.80 |1.79 |1.71 |2.02 |2.16 |4.13 |...
>
Comparing to the measurement between bc10-router wlan0 an...
The measurement of the Wireless LAN (AP-PC2) is largely f...
* Revision History [#d17c1feb]
>
- 2013/07/22 This article is initially published.~
?
End:
[[labs.beatcraft.com]]
[bc10-router]
#contents
* Measuring the Network Performance of bc10-router [#v105...
>
Connecting with a PC, the network performance of bc10-rou...
** Network structure and the connections of equipments [#...
>
The structure of network is shown in the diagram below.~
#ref(network.jpg,,80%);~
** Measuring equipments [#xa5ee6a5]
>
The measurement of throughput is influenced by the capabi...
~
>
bc10-router~
- CPU: ARMv7 Processor rev3 (v71) (OMAP3530 600NHz)~
-- BogoMIPS: 585.04~
- OS: arago-project based Linux~
-- kernel: 3.3.7~
- USB AC Powered Hub~
- WAN Side Interface: USB-Either Adapter Buffalo LUA3-U2-...
- LAN Side Interface (Access point): USB Wi-Fi Adapter Bu...
>
PC1~
- CPU: Intel(R) Atom(TM) CPU N280 @1.66GHz~
-- CPU MHz: 800.000 x2~
-- BogoMIPS: 3324.89~
- OS: Ubuntu 12.04 (32bit)~
-- kernel: 3.2.0-34-generic-pae~
- Network interface: Atheros Communications Inc. AR8132 F...
>
PC2~
- CPU: Intel(R) Atom(TM) CPU N270 @1.60GHz~
-- CPU MHz: 800.000 x2~
-- BogoMIPS: 3191.84~
- OS: Ubuntu 12.10 (32bit)~
-- kernel: 3.5.0-19-generic~
- Network interface: USB Wi-Fi Adapter LAN-W150N/U21PH (R...
~
** Measuring tools [#j4153a31]
>
The applications, which used to measuring the performance...
*** iperf [#b05e1941]
>
[[http://iperf.surceforge.net/]]~
This application measures the throughput of a network. It...
~
>
- Example of Command
-- Server Side
# iperf -s
--------------------------------------------------------...
Server listening on TCP port 5001
TCP window size: 85.3 KByte (default)
--------------------------------------------------------...
[ 4] local 192.168.0.121 port 5001 connected with 192.1...
[ ID] Interval Transfer Bandwidth
[ 4] 0.0-10.1 sec 113 MBytes 93.9 Mbits/sec
Executing the command, the server side waits the signal f...
>
-- Client Side
# iperf -c 192.168.0.121
--------------------------------------------------------...
Client connecting to 192.168.0.121, TCP port 5001
TCP window size: 20.7 KByte (default)
--------------------------------------------------------...
[ 3] local 192.168.0.138 port 57944 connected with 192....
[ ID] Interval Transfer Bandwidth
[ 3] 0.0-10.0 sec 113 MBytes 94.4 Mbits/sec
To measure throughput, the client side measures how much ...
*** nuttcp [#s508a225]
>
[[http://www.nuttcp.net/nuttcp/Welcome%20Page.html]]~
This application is a measurement tool, which assesses th...
>
- Example of Command
-- Server Side
# nuttcp -S
-- Client Side~
In the example below, the client side reports the current...
# nuttcp -i1 192.168.30.1
3.4375 MB / 1.00 sec = 28.8239 Mbps 0 retrans
4.2500 MB / 1.00 sec = 35.6477 Mbps 0 retrans
4.4375 MB / 1.00 sec = 37.2260 Mbps 0 retrans
4.0000 MB / 1.00 sec = 33.5599 Mbps 0 retrans
4.1875 MB / 1.00 sec = 35.1245 Mbps 0 retrans
4.6250 MB / 1.00 sec = 38.7930 Mbps 0 retrans
5.0625 MB / 1.00 sec = 42.4717 Mbps 0 retrans
4.7500 MB / 1.00 sec = 39.8342 Mbps 0 retrans
4.8750 MB / 1.00 sec = 40.8950 Mbps 0 retrans
4.9375 MB / 1.00 sec = 41.4344 Mbps 0 retrans
44.8750 MB / 10.07 sec = 37.3973 Mbps 3 %TX 18 %RX 0...
The results indicate that 44.8750MB data is sent in 10.07...
TX means the occupancy rate of CPU at client side,~
RX indicates the occupancy rate of CPU at server side,~
returns mean TCP retransmission packet number, and~
msRTT indicates Round Trip Time in microsecond.~
** Measuring method [#f3b672b8]
>
To measure the performance of bc10-router, the network, w...
~
To analyze the quality of network, it is critical to find...
** Measurements of network performance [#ce8f899f]
>
The measurements are done at WAN side and LAN side. WAN s...
*** Between PC1 and bc10-router eth0 [#wb53d54f]
>
- Measured by iperf~
WAN side: PCI iperf -s~
LAN side: bc10-router iperf -c 192.168.0.121~
>
|N | 1| 2| 3| 4| 5| 6| 7| 8| 9| 10|Av...
|Mbps|94.3|94.4|94.3|94.4|94.5|94.5|94.5|94.4|94.5|94.5|9...
>
- Measured by nuttcp~
WAN side: PC1 nuttcp -S~
LAN side: bc10-roter nuttcp 192.168.0.121~
>
|N | 1| 2| 3| 4| 5| 6| ...
|Mbps |93.8193|93.8823|93.8867|93.8905|93.8875|93.8842|...
|%TX |51 |50 |50 |50 |50 |50 |...
|%RX |23 |23 |23 |23 |23 |23 |...
|retrans|0 |0 |0 |0 |0 |0 |...
|msRTT |0.73 |0.85 |1.17 |0.92 |0.89 |0.89 |...
>
Because it is a wired connection, there is not much fluct...
?
*** Between bc10-router wlan0 and PC2 [#se5e57e4]
>
- Measured by iperf~
WAN side: bc10-router iperf -s~
LAN side: PC2 iperf -c 192.168.30.1~
>
|N | 1| 2| 3| 4| 5| 6| 7| 8| 9| 10|Avg...
|Mbps|25.9|23.9|18.5|18.8|20.1|18.2|20.0|19.2|18.4|21.3|2...
>
- Measured by nuttcp~
WAN side: bc10-router nuttcp -S~
LAN side: PC2 nuttcp 192.168.30.1~
>
|N | 1| 2| 3| 4| 5| 6| ...
|Mbps |18.8347|17.9976|19.0259|19.7316|18.6814|19.8820|...
|%TX |1 |1 |1 |1 |1 |1 |...
|%RX |10 |9 |10 |10 |10 |10 |...
|retrans|0 |0 |0 |0 |0 |0 |...
|msRTT |2.62 |1.48 |1.65 |1.83 |1.73 |1.75 |...
>
As AP of bc10-router is set for 11n, PC2, the client, is ...
*** Between PC1 and bc10-router and PC2 [#r44aae08]
>
- Measured by iperf~
WAN side: PC1 iperf -s~
LAN side: PC2 iperf -c 192.168.0.121~
>
|Time | 1| 2| 3| 4| 5| 6| 7| 8| 9| 10|...
|Mbps|25.1|23.1|25.6|22.8|22.2|22.7|19.5|19.0|17.8|20.7|2...
>?
- Measured by nuttcp~
WAN side: PC1 nuttcp -S~
LAN side: PC2 nuttcp 192.168.0.121~
>
|Time | 1| 2| 3| 4| 5| ...
|Mbps |26.7209|21.7524|23.4219|23.3507|22.5851|21.9455|...
|%TX |1 |1 |1 |1 |1 |1 |...
|%RX |8 |7 |7 |7 |7 |7 |...
|retrans|0 |0 |0 |0 |0 |0 |...
|msRTT |1.80 |1.79 |1.71 |2.02 |2.16 |4.13 |...
>
Comparing to the measurement between bc10-router wlan0 an...
The measurement of the Wireless LAN (AP-PC2) is largely f...
* Revision History [#d17c1feb]
>
- 2013/07/22 This article is initially published.~
?
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