def launch(objective=None, preinstall="{}"):
discovery.launch()
spanning_tree.launch(no_flood=True, hold_down=True)
statistics.launch()
topology.launch()
multicommodity.launch(objective=objective, preinstall=preinstall)
core.registerNew(Controller)
def launch(filename='results'):
discovery.launch()
spanning_tree.launch(no_flood=True, hold_down=True)
topology.launch()
core.registerNew(Controller, filename=filename)
