def createTopo(pod,
density,
ip="192.168.16.137",
port=6653,
bw_c2a=1000,
bw_a2e=500,
bw_e2h=250):
"""
Create network topology and run the Mininet.
"""
topo = Fattree(pod, density)
topo.createNodes()
topo.createLinks(bw_c2a=bw_c2a, bw_a2e=bw_a2e, bw_e2h=bw_e2h)
# Start Mininet.
CONTROLLER_IP = ip
CONTROLLER_PORT = port
net = Mininet(topo=topo, link=TCLink, controller=None, autoSetMacs=True)
net.addController('controller',
controller=RemoteController,
ip=CONTROLLER_IP,
port=CONTROLLER_PORT)
net.start()
# Set OVS's protocol as OF13.
topo.set_ovs_protocol_13()
# Set hosts IP addresses.
set_host_ip(net, topo)
# Install proactive flow entries
install_proactive(net, topo)
pingPath = '/home/lee/ryu2/ryu/app/experiments/ping_test.txt'
iperfPath = '/home/lee/ryu2/ryu/app/experiments/iperf_peers.txt'
iperf_peers = readIpeers(iperfPath)
ping_peers = readIpeers(pingPath)
# 2. Start the controller.
k_paths = args.k**2 / 4
fanout = args.k
# Controller_Ryu = Popen("ryu-manager --observe-links SRrouting.py --k_paths=%d --weight=hop --fanout=%d --miceIndex=%f" %(k_paths, fanout,0.8), shell=True, preexec_fn=os.setsid)
Controller_Ryu = Popen(
"ryu-manager --observe-links ./Hedera.py --k_paths=%d --weight=hop --fanout=%d "
% (k_paths, fanout),
shell=True,
preexec_fn=os.setsid)
# # Wait until the controller has discovered network topology.
time.sleep(60)
# 3. Generate traffics and test the performance of the network.
monitor1 = Process(target=pingTest, args=(net, ping_peers))
traffic_generation(net, iperf_peers, monitor1)
time.sleep(60)
monitor1.terminate()
os.system('killall ping')
os.system('killall iperf')
# CLI(net)
os.killpg(Controller_Ryu.pid, signal.SIGKILL)
net.stop()
def run_experiment(pod,
density,
ip="192.168.16.137",
port=6653,
bw_c2a=100,
bw_a2e=100,
bw_e2h=100):
"""
Firstly, start up Mininet;
secondly, generate traffics and test the performance of the network.
"""
# Create Topo.
iperfPath = '/home/lee/ryu2/ryu/app/experiments/iperf_peers.txt'
pingPath = '/home/lee/ryu2/ryu/app/experiments/ping_test.txt'
# lossPath = '/home/lee/ryu2/ryu/app/experiments/link_loss.txt'
iperf_peers = readIpeers(iperfPath)
ping_peers = readIpeers(pingPath)
# loss = readIpeers(lossPath)
time.sleep(2)
topo = Fattree(pod, density)
topo.createNodes()
topo.createLinks(bw_c2a=bw_c2a,
bw_a2e=bw_a2e,
bw_e2h=bw_e2h,
links_loss=loss)
# 1. Start Mininet
CONTROLLER_IP = ip
CONTROLLER_PORT = port
net = Mininet(topo=topo, link=TCLink, controller=None, autoSetMacs=True)
net.addController('controller',
controller=RemoteController,
ip=CONTROLLER_IP,
port=CONTROLLER_PORT)
net.start()
# Set the OpenFlow version for switches as 1.3.0.
topo.set_ovs_protocol_13()
# Set the IP addresses for hosts.
set_host_ip(net, topo)
# Install proactive flow entries.
install_proactive(net, topo)
# monitor1 = Process(target=pingTest, args=(net, ping_peers))
# monitor = Process(target=monitor_devs_ng, args=('%s/bwmng.txt' % args.output_dir, 1.0))
# 3. Generate traffics and test the performance of the network.
# traffic_generation(net, iperf_peers, monitor1,monitor)
traffic_generation1(net, iperf_peers, ping_peers)
os.system('killall ping')
os.system('killall iperf')
# CLI(net)
# os.killpg(Controller_Ryu.pid, signal.SIGKILL)
net.stop()
def createTopo(pod,
density,
ip="192.168.16.128",
port=6653,
bw_c2a=1000,
bw_a2e=500,
bw_e2h=250):
"""
Create network topology and run the Mininet.
"""
topo = Fattree(pod, density)
topo.createNodes()
topo.createLinks(bw_c2a=bw_c2a, bw_a2e=bw_a2e, bw_e2h=bw_e2h)
# Start Mininet.
CONTROLLER_IP = ip
CONTROLLER_PORT = port
net = Mininet(topo=topo, link=TCLink, controller=None, autoSetMacs=True)
net.addController('controller',
controller=RemoteController,
ip=CONTROLLER_IP,
port=CONTROLLER_PORT)
net.start()
# Set OVS's protocol as OF13.
topo.set_ovs_protocol_13()
# Set hosts IP addresses.
set_host_ip(net, topo)
# Install proactive flow entries
install_proactive(net, topo)
iperf_peers = readIpeers()
# 2. Start the controller.
k_paths = args.k**2 / 4
fanout = args.k
Controller_Ryu = Popen(
"ryu-manager --observe-links Normalrouting.py --k_paths=%d --weight=hop --fanout=%d"
% (k_paths, fanout),
shell=True,
preexec_fn=os.setsid)
# Wait until the controller has discovered network topology.
time.sleep(60)
# 3. Generate traffics and test the performance of the network.
traffic_generation(net, iperf_peers)
time.sleep(60)
# os.killpg(Controller_Ryu.pid, signal.SIGKILL)
# Controller_Ryu = Popen("ryu-manager --observe-links SRrouting.py --k_paths=%d --weight=hop --fanout=%d" % (k_paths, fanout),shell=True, preexec_fn=os.setsid)
# # Wait until the controller has discovered network topology.
# time.sleep(60)
# # 3. Generate traffics and test the performance of the network.
# traffic_generation(net, readIpeers(),'SRrouting')
# time.sleep(60)
# CLI(net)
# Stop the controller.
os.killpg(Controller_Ryu.pid, signal.SIGKILL)
net.stop()
def createTopo(pod, density, ip="192.168.16.138", port=6653, bw_c2a=100, bw_a2e=100, bw_e2h=100):
"""
Create network topology and run the Mininet.
"""
iperfPath = '/home/lee/ryu2/ryu/app/experiments/iperf_peers.txt'
pingPath = '/home/lee/ryu2/ryu/app/experiments/ping_test.txt'
# lossPath='/home/lee/ryu2/ryu/app/experiments/link_loss.txt'
iperf_peers = readIpeers(iperfPath)
ping_peers = readIpeers(pingPath)
# loss = readIpeers(lossPath)
time.sleep(2)
topo = Fattree(pod, density)
topo.createNodes()
topo.createLinks(bw_c2a=bw_c2a, bw_a2e=bw_a2e, bw_e2h=bw_e2h)
# Start Mininet.
CONTROLLER_IP = ip
CONTROLLER_PORT = port
net = Mininet(topo=topo, link=TCLink, controller=None, autoSetMacs=True)
net.addController(
'controller', controller=RemoteController,
ip=CONTROLLER_IP, port=CONTROLLER_PORT)
net.start()
# Set OVS's protocol as OF13.
topo.set_ovs_protocol_13()
# Set hosts IP addresses.
set_host_ip(net, topo)
# Install proactive flow entries
install_proactive(net, topo)
# 2. Start the controller.
k_paths = args.k ** 2 / 4
fanout = args.k
Controller_Ryu = Popen("ryu-manager --observe-links ./PureSDNPkt/Normalrouting.py --k_paths=%d --weight=hop --fanout=%d --dir=%s --miceIndex=%f" %(k_paths, fanout,args.output_dir[2:],args.miceIndex), shell=True, preexec_fn=os.setsid)
time.sleep(60)
t.traffic_generation(net, iperf_peers, ping_peers)
os.system('killall ping')
os.system('killall iperf')
# CLI(net)
os.killpg(Controller_Ryu.pid, signal.SIGKILL)
net.stop()
def createTopo(pod,
density,
ip="192.168.16.137",
port=6653,
bw_c2a=100,
bw_a2e=100,
bw_e2h=100):
"""
Create network topology and run the Mininet.
"""
iperfPath = '/home/lee/ryu2/ryu/app/experiments/iperf_peers.txt'
pingPath = '/home/lee/ryu2/ryu/app/experiments/ping_test.txt'
# lossPath = '/home/lee/ryu2/ryu/app/experiments/link_loss.txt'
iperf_peers = readIpeers(iperfPath)
ping_peers = readIpeers(pingPath)
# loss = readIpeers(lossPath)
time.sleep(2)
topo = Fattree(pod, density)
topo.createNodes()
topo.createLinks(bw_c2a=bw_c2a, bw_a2e=bw_a2e, bw_e2h=bw_e2h)
# Start Mininet.
CONTROLLER_IP = ip
CONTROLLER_PORT = port
net = Mininet(topo=topo, link=TCLink, controller=None, autoSetMacs=True)
net.addController('controller',
controller=RemoteController,
ip=CONTROLLER_IP,
port=CONTROLLER_PORT)
net.start()
# Set OVS's protocol as OF13.
topo.set_ovs_protocol_13()
# Set hosts IP addresses.
set_host_ip(net, topo)
# Install proactive flow entries
install_proactive(net, topo)
# dumpNodeConnections(net.hosts)
# pingTest(net)
# iperfTest(net, topo)
k_paths = args.k**2 / 4
fanout = args.k
Controller_Ryu = Popen(
"ryu-manager --observe-links ./Hedera/Hedera.py --k_paths=%d --weight=bw --fanout=%d"
% (k_paths, fanout),
shell=True,
preexec_fn=os.setsid)
# Wait until the controller has discovered network topology.
time.sleep(60)
# monitor1 = Process(target=pingTest, args=(net, ping_peers))
# monitor = Process(target=monitor_devs_ng, args=('%s/bwmng.txt' % args.output_dir, 1.0))
# 3. Generate traffics and test the performance of the network.
# traffic_generation(net,iperf_peers,monitor1,monitor)
traffic_generation1(net, iperf_peers, ping_peers)
os.system('killall ping')
os.system('killall iperf')
# Stop the controller
# CLI(net)
os.killpg(Controller_Ryu.pid, signal.SIGKILL)
net.stop()