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part2.py
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part2.py
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"""
CS652 Project 2 Part 2: Fat-Tree Routing Protocol
By Kefin Sajan
Last Updated: 10/15/20
"""
#!/usr/bin/python
from mininet.node import CPULimitedHost
from mininet.node import Host
from mininet.node import Node
from mininet.node import OVSKernelSwitch
from mininet.topo import Topo
class fatTreeTopo(Topo):
"Fat Tree Topology"
def __init__(self):
"Create Fat tree Topology"
Topo.__init__(self)
#Add hosts
h1 = self.addHost('h1', cls=Host, ip='10.0.1.1', defaultRoute=None)
h2 = self.addHost('h2', cls=Host, ip='10.0.1.2', defaultRoute=None)
h3 = self.addHost('h3', cls=Host, ip='10.0.1.3', defaultRoute=None)
h4 = self.addHost('h4', cls=Host, ip='10.0.1.4', defaultRoute=None)
h5 = self.addHost('h5', cls=Host, ip='10.0.2.5', defaultRoute=None)
h6 = self.addHost('h6', cls=Host, ip='10.0.2.6', defaultRoute=None)
h7 = self.addHost('h7', cls=Host, ip='10.0.2.7', defaultRoute=None)
h8 = self.addHost('h8', cls=Host, ip='10.0.2.8', defaultRoute=None)
h11 = self.addHost('h11', cls=Host, ip='10.0.3.1', defaultRoute=None)
h12 = self.addHost('h12', cls=Host, ip='10.0.3.2', defaultRoute=None)
h13 = self.addHost('h13', cls=Host, ip='10.0.3.3', defaultRoute=None)
h14 = self.addHost('h14', cls=Host, ip='10.0.3.4', defaultRoute=None)
h15 = self.addHost('h15', cls=Host, ip='10.0.4.5', defaultRoute=None)
h16 = self.addHost('h16', cls=Host, ip='10.0.4.6', defaultRoute=None)
h17 = self.addHost('h17', cls=Host, ip='10.0.4.7', defaultRoute=None)
h18 = self.addHost('h18', cls=Host, ip='10.0.4.8', defaultRoute=None
#Add switches
### Edge Switches
s1 = self.addSwitch('s1' , cls=OVSKernelSwitch)
s2 = self.addSwitch('s2' , cls=OVSKernelSwitch)
s3 = self.addSwitch('s3' , cls=OVSKernelSwitch)
s4 = self.addSwitch('s4' , cls=OVSKernelSwitch)
s5 = self.addSwitch('s5', cls=OVSKernelSwitch)
s6 = self.addSwitch('s6', cls=OVSKernelSwitch)
s7 = self.addSwitch('s7', cls=OVSKernelSwitch)
s8 = self.addSwitch('s8', cls=OVSKernelSwitch)
### Aggregation Switch
s9 = self.addSwitch('s9', cls=OVSKernelSwitch)
s10 = self.addSwitch('s10', cls=OVSKernelSwitch)
s11 = self.addSwitch('s11', cls=OVSKernelSwitch)
s12 = self.addSwitch('s12', cls=OVSKernelSwitch)
s13 = self.addSwitch('s13' , cls=OVSKernelSwitch)
s14 = self.addSwitch('s14' , cls=OVSKernelSwitch)
s15 = self.addSwitch('s15', cls=OVSKernelSwitch)
s16 = self.addSwitch('s16', cls=OVSKernelSwitch)
### Core Switches
s21 = self.addSwitch('s21' , cls=OVSKernelSwitch)
s22 = self.addSwitch('s22' , cls=OVSKernelSwitch)
s23 = self.addSwitch('s23' , cls=OVSKernelSwitch)
s24 = self.addSwitch('s24' , cls=OVSKernelSwitch)
#Add links
### Add Edge
self.addLink(h1, s1)
self.addLink(h2, s1)
self.addLink(h3, s2)
self.addLink(h4, s2)
self.addLink(h5, s3)
self.addLink(h6, s3)
self.addLink(h7, s4)
self.addLink(h8, s4)
self.addLink(h11, s5)
self.addLink(h12, s5)
self.addLink(h13, s6)
self.addLink(h14, s6)
self.addLink(h15, s7)
self.addLink(h16, s7)
self.addLink(h17, s8)
self.addLink(h18, s8)
### Add Aggregation
self.addLink(s1, s9)
self.addLink(s1, s10)
self.addLink(s2, s10)
self.addLink(s2, s9)
self.addLink(s3, s11)
self.addLink(s4, s11)
self.addLink(s3, s12)
self.addLink(s4, s12)
self.addLink(s5, s13)
self.addLink(s6, s13)
self.addLink(s5, s14)
self.addLink(s6, s14)
self.addLink(s7, s15)
self.addLink(s8, s15)
self.addLink(s7, s16)
self.addLink(s8, s16)
### Add Core
self.addLink(s7, s15)
self.addLink(s8, s15)
self.addLink(s7, s16)
self.addLink(s8, s16)
self.addLink(s21, s9)
self.addLink(s21, s11)
self.addLink(s21, s13)
self.addLink(s21, s15)
self.addLink(s22, s9)
self.addLink(s22, s11)
self.addLink(s22, s13)
self.addLink(s22, s15)
self.addLink(s23, s10)
self.addLink(s23, s12)
self.addLink(s23, s14)
self.addLink(s23, s16)
self.addLink(s24, s10)
self.addLink(s24, s12)
self.addLink(s24, s14)
self.addLink(s24, s16)
topos = { 'mytopo': (lambda: fatTreeTopo() ) }