https://user-images.githubusercontent.com/32647896/132820488-a2a03bbb-c360-4263-9b5f-b538d2966f77.mp4

Hi, I attached the video to show my issue with handover test, whenever the sta1 move and connect to ap2, the iperf throughput goes to 0 indefinitely. I attached my code below for the TCP topology. Thank you so much!

!/usr/bin/python

'Example for Handover' import time from mininet.node import Controller from mininet.log import setLogLevel, info from mn_wifi.cli import CLI from mn_wifi.net import Mininet_wifi

def topology(): "Create a network." net = Mininet_wifi(controller=Controller)

info("*** Creating nodes\n")
sta1 = net.addStation('sta1', mac='00:00:00:00:00:02', ip='10.0.0.2/8',
                      range=20)
ap1 = net.addAccessPoint('ap1', ssid='ssid-ap1', mode='g', channel='1',
                         position='20,30,0', range=30)
ap2 = net.addAccessPoint('ap2', ssid='ssid-ap2', mode='g', channel='6',
                         position='80,30,0', range=30)
s1 = net.addSwitch( 's1')
s2 = net.addSwitch( 's2')
h1 = net.addHost( 'h1', ip='10.0.0.3/8')
c1 = net.addController('c1')

net.setPropagationModel(model="logDistance", exp=5)

info("*** Configuring wifi nodes\n")
net.configureWifiNodes()

info("*** Creating links\n")
net.addLink(ap1, sta1, bw=25, delay='25ms')
net.addLink(ap2, sta1, bw=10, delay='70ms')
net.addLink(ap1, s1, bw=25, delay='25ms')
net.addLink(ap2, s2, bw=10, delay='70ms')
net.addLink(s1, h1, bw=60)
net.addLink(s2, h1, bw=60)

net.plotGraph(max_x=100, max_y=100)
net.startMobility(time=0)
net.mobility(sta1, 'start', time=1, position='20,30,0')
net.mobility(sta1, 'stop', time=80, position='80,30,0')
net.stopMobility(time=81)

info("*** Starting network\n")
net.build()
c1.start()
ap1.start([c1])
ap2.start([c1])
s1.start([c1])

info("*** Running CLI\n")
CLI(net)

info("*** Stopping network\n")
net.stop()

if name == 'main': setLogLevel('info') topology()

intrig-unicamp / mininet-wifi

Handover test fail with TCP/MPTCP #406

!/usr/bin/python