def FatTreeNet(args, bw=10, cpu=-1, queue=100, controller='DCController'):
droptail = {'max_queue_size': args.queue}
red = {'max_queue_size': args.queue,'enable_red':1,'enable_ecn': 0, \
'red_burst':55,'red_prob':0.01,'red_avpkt':1000,\
'red_min':30000, 'red_max':90000,'red_limit':400000}
red_ecn = {'max_queue_size': args.queue, 'enable_ecn': args.enable_ecn, \
'enable_red': args.enable_red,\
'red_min': args.redmin, 'red_max': args.redmax, 'red_burst': args.burst, \
'red_prob': args.prob, 'red_avpkt': 1000, 'red_limit': 400000}
info('*** Creating the topology')
topo = FatTreeTopo(args.K)
host = custom(CPULimitedHost, cpu=cpu)
if args.mdtcp or args.dctcp:
link = custom(TCLink,
bw=args.bw,
delay=str(args.delay) + 'ms',
**red_ecn)
else:
link = custom(TCLink, bw=args.bw, delay=str(args.delay) + 'ms', **red)
net = Mininet(topo,
host=host,
link=link,
switch=OVSKernelSwitch,
controller=RemoteController,
autoStaticArp=True)
return net
def FatTreeNet(args,
k=4,
bw=100,
cpu=-1,
queue=100,
controller='DCController'):
''' Create a Fat-Tree network '''
'''info("STARTING CONTROLLER")
if args.ECMP:
pox_c = Popen("./pox.py %s --topo=ft,4 --routing=ECMP"%controller, shell=True)
elif args.dij:
pox_c = Popen("./pox.py %s --topo=ft,4 --routing=dij"%controller, shell=True)
else:
info('**error** the routing scheme should be ecmp or dijkstra\n')'''
info('*** Creating the topology')
topo = FatTreeTopo(k)
host = custom(CPULimitedHost, cpu=cpu)
link = custom(TCLink, bw=bw, max_queue_size=queue)
net = Mininet(topo,
host=host,
link=link,
switch=OVSKernelSwitch,
controller=RemoteController,
autoStaticArp=True)
return net
def FatTreeNet(k=4, bw=10, cpu=-1, queue=100,controller='HController'):
''' Create a Fat-Tree network '''
pox_c = Popen("~/pox/pox.py %s --topo=ft,%s --routing=ECMP --bw=%s --ratio=%s log.level --WARNING"%(controller, k, args.bandwidth, args.ratio), shell=True)
info('*** Creating the topology')
topo = FatTreeTopo(k)
host = custom(CPULimitedHost, cpu=cpu)
link = custom(TCLink, bw=bw, max_queue_size=queue)
net = Mininet(topo, host=host, link=link, switch=OVSKernelSwitch,
controller=RemoteController)
return net