defGroup('first_node', 'node1-4.sb4.orbit-lab.org') do |node|
	  node.net.x0.profile = '51'
	  node.net.x0.ip = '10.41.14.4'
	  node.net.x0.netmask = '255.255.0.0'
	  node.addApplication("wimaxcu_app") do |app|
	    app.measure('status_link')
	  end
	  node.addApplication("iperf") do |app|
	    app.setProperty('client','10.41.14.6',true)
	    app.setProperty('mss', 536) # Do not raise above 600
	    app.setProperty('interval', 1)
	   # app.setProperty('bind', "10.41.14.4")
	    app.measure('TCP_Info', :samples => 1)
	  end
	end       
	
	defGroup('second_node', 'node1-6.sb4.orbit-lab.org') do |node|
	  node.net.x0.profile = '51'
	  node.net.x0.ip = '10.41.14.6'
	  node.net.x0.netmask = '255.255.0.0'
	  node.addApplication("wimaxcu_app") do |app|
	    app.measure('status_link')
	  end
	  node.addApplication("iperf") do |app|
	    app.setProperty('server', true)
	    app.setProperty('mss', 536) # Do not raise above 600
	    app.setProperty('interval', 1)
	    #app.setProperty('bind', "10.41.14.6")
	    app.measure('TCP_Info', :samples => 1)
	  end
	end       
	
	
	onEvent(:ALL_UP_AND_INSTALLED) do |event|
	  allGroups.startApplications
	  wait 30
	  allGroups.stopApplications
	  Experiment.done
	end