Research Article

Multi-Controller Placement Optimization Using Naked Mole-Rat Algorithm over Software-Defined Networking Environment

Table 2

Controller and switches placement details of Ernet topology.

Number of controllers (K)Number of controlled switches
Node (8), DelhiNode (7), BengaluruNode (13), KolkataNode (3), Mumbai/PuneNode (12), Allahabad

1Master node
29 switches, nodes: 4, 5, 8–147 switches, nodes: 0–3, 6, 7, 15
36 switches, nodes: 4, 5, 8, 10, 11, 127 switches, nodes: 0–3, 6, 7, 153 switches, nodes: 9, 13, 14
46 switches, nodes: 4, 5, 8, 10, 11, 124 switches, nodes: 2, 6, 7, 153 switches, nodes: 9, 13, 143 switches, nodes: 0, 1, 3
53 switches, nodes: 4, 5, 84 switches, nodes: 2, 6, 7, 153 switches, nodes: 9, 13, 143 switches, nodes: 0, 1, 33 switches, nodes: 10, 11, 12