复制#FatTree.py """Customtopology example Addingthe topos dict with a key/value pair to generate our newly defined topologyenables one to pass in--topo=mytopofrom the command line. """ frommininet.topo import Topo classMyTopo(Topo): "Simple topology example." def __init__(self): "create custom topo." #initializa topology Topo.__init__(self) L1 = 2 L2 = L1 * 2 L3 = L2 cSwitch = [] aSwitch = [] eSwitch = [] #add core ovs for i in range(L1): sw = self.addSwitch(c{}.format(i+1)) cSwitch.append(sw) #add aggregation ovs for i in range(L2): sw = self.addSwitch(a{}.format(L1 + i+1)) aSwitch.append(sw) #add edge ovs forin range(L2): sw = self.addSwitch(e{}.format(L1 + L2 + i+1)) eSwitch.append(sw) #add links between core aggregationovs for i in range(L1): for j in range(L2): # self.addLink(sw2,同数拓扑 sw1, bw=10,delay=5ms, loss=10, max_queue_size=1000, use_htb=True) link = self.addLink(cSwitch[i],aSwitch[j]) #add links between aggragation andedge ovs for i in range(L1): for j in range(L1): self.addLink(aSwitch[i],eSwitch[j]) for i in range(L1): for j in range(L1): # self.addLink(sw2, sw1, bw=10,delay=5ms, loss=10, max_queue_size=1000, use_htb=True) self.addLink(aSwitch[L1 + i],eSwitch[L1 +j]) #add hosts and its links with edgeovs count = 1 for sw1 in eSwitch: for i in range(L1): host = self.addHost(h{}.format(count)) self.addLink(sw1,host) count += 1 topos= {mytopo:(lambda:MyTopo())} 1.2.3.4.5.6.7.8.9.10.11.12.13.14.15.16.17.18.19.20.21.22.23.24.25.26.27.28.29.30.31.32.33.34.35.36.37.38.39.40.41.42.43.44.45.46.47.48.49.50.51.52.53.54.55.56.57.58.59.60.61. |
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