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OpenFlow Load Balancer Tutorial

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2. Implement VLC DASH Client on ExoGENI VLAN

2.1 Setup OpenFlow Switches

  • 2.1.1 Login to VM and get the public IP by executing ifconfig
  • 2.1.2 Login to nodes VM, VM-0, VM-1, VM-2 and execute the following script
    ovs-vsctl add-br test
    ovs-vsctl add-port test eth1
    ovs-vsctl add-port test eth2
    ovs-vsctl add-port test eth3
    ovs-vsctl set-controller test tcp:<IP.OF.CONTROLLER>:6633
    ovs-vsctl set-fail-mode test secure

Replace IP.OF.CONTROLLER above with the public IP address of VM.

2.2 Setup the Apache Server and host DASH Video

In this section, you will be able to install the Apache server on ExoGENI node (VM-3) by logging in and executing the following script.

The first 4 lines of this script install and setup the Apache server. The rest of the script downloads a sample DASH video from and hosts it on the server that you just set up.


apt-get update
apt-get -y install apache2
apt-get -y install apache2-threaded-dev

apache2ctl restart

mkdir /root/DASH_BuckBunny

curl -o /root/

chmod +x /root/

sh /root/

2.3 Install VLC Client

The actual VLC Client which requests the video can be set up using this script. For streaming this video from the Apache server and in order to instrumentize and measure the DASH bit-rate using LabWiki we need to execute the following commands.

2.4 Instrumentize and Measure DASH Bit-Rate using LabWiki

2.4.1 OML Script

2.4.2 Execute Script

2.4.3 View Results in iRODs

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