Fig 1.
The proposed approach for selection of an optimum SDN controller.
Fig 2.
ANP Model for SDN controller selection.
Table 1.
Parameters for criteria.
Table 2.
Parameters for alternatives.
Table 3.
Scale of importance.
Fig 3.
Step by step procedure for applying ANP in SDN controller selection process.
Table 4.
Features for SDN controller selection.
Fig 4.
Calculation of consistency measure.
Table 5.
Ratio index for different number of criteria.
Fig 5.
Calculation and representation of the eigenvectors in the weighted super-matrix.
Fig 6.
Limit super-matrix.
Fig 7.
Alternatives weights from the limit super-matrix.
Fig 8.
Experimental framework.
Table 6.
Real-world and Brite topologies.
Fig 9.
Path calculation example between source and destination OpenFlow switches using Abilene topology.
Fig 10.
Delay in path discovery process.
Fig 11.
Delay measurement process.
Fig 12.
Request and response time measurement for (A) Abilene topology (B) US_Net topology (C) ER_Net topology (D) OS3E topology (E) B_1 topology (F) B_2 topology.
Fig 13.
Traffic generation methodology between source and destination hosts.
Fig 14.
Delay calculated by putting the controllers to traffic load.
Fig 15.
Throughput calculated with respect to increasing the number of switches.
Fig 16.
CPU utilization (percentage).