Fig 1.
Software defined network architecture.
Fig 2.
Illustrated controller placement options.
Fig 3.
Proposed distributed controller clustering.
Fig 4.
Agis network topology map.
Fig 5.
Agis topology in graphml and python script.
Fig 6.
D-ITG single flow traffic.
Table 1.
HP VAN SDN controller information.
Table 2.
ONOS controller information.
Table 3.
Test configuration metrics for both controllers.
Table 4.
Packet loss controller setup.
Fig 7.
HP VAN controller latency result.
Fig 8.
ONOS controller latency result.
Fig 9.
HP VAN SDN packet loss.
Fig 10.
ONOS packet loss result.
Fig 11.
CPU utilization.