def __init__(self, u):
super(SmallNetwork, self).__init__([
Flow(ArrivalCurve(1, 25 * u), [2, 3, 1]),
Flow(ArrivalCurve(1, 25 * u), [3, 1, 2]),
Flow(ArrivalCurve(1, 25 * u), [1, 0, 2]),
Flow(ArrivalCurve(1, 25 * u), [1, 2, 3])
], [
Server(ServiceCurve(100, 1)),
Server(ServiceCurve(100, 1)),
Server(ServiceCurve(100, 1)),
Server(ServiceCurve(100, 1))
])