= [http://groups.geni.net/geni/wiki/GENIExperimenter/Tutorials/OpenFlowOVS Intro to OpenFlow using OVS] =
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== Step 1. Obtain resources ==
This tutorial can use compute resources from any InstaGENI rack. Users that want to use the iMinds wall testbed please read [#iMindsTestbed here]. This tutorial cannot be run on the Utah DDC rack because it does not have OpenVZ resources available. For a list of available InstaGENI racks see the [wiki:GENIProduction GENI Production Resources] page. The experiment will need:
* 1 Xen VM to be the !OpenFlow switch
* 3 OpenVZ containers VMs as hosts
[[Image(GENIExperimenter/Graphics:OVSOpenFlowTutorialTopology.jpg)]]
If you are attending a Tutorial, the resources might have already been reserved for you, check with your instructor and skip this step.
You can use any reservation tool you want to reserve this topology:
* For Omni or Flack you can use the request [http://groups.geni.net/geni/wiki/GENIExperimenter/RSpecs RSpec] that is published at: http://www.gpolab.bbn.com/exp/OpenFlowOVS/openflowovs-xen-vz-kernel.rspec
* At the [http://portal.geni.net] GENI Experimenter Portal you can use the public request RSpec called "OF OVS Tutorial with Xen & OpenVZ" at any InstaGENI rack except the Utah DDC rack.
Look at the Prerequisites for Tutorials about reserving resources.
=== iMinds Testbed ===
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= [wiki:GENIExperimenter/Tutorials/OpenFlowOVS Introduction] =
= [wiki:GENIExperimenter/Tutorials/OpenFlowOVS/Execute Next: Execute] =