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

Table 5

Controller and switch placement details of Savvis for BAT and NMR algorithms.

Number of controllers (K)	Number of controlled switches
	Node (12), Los Angeles	Node (18), Saint Louis	Node (0), New York	Node (1), Philadelphia
3 (BAT algorithm)	5 switches, nodes: 11–15	9 switches, nodes: 2, 4, 5, 8–10, 16–18	5 switches, nodes: 0, 1, 3, 6, 7	—
3 (NMR algorithm)	5 switches, nodes: 11–15	9 switches, nodes: 2, 4, 5, 8–10, 16–18	—	5 switches, nodes: 0, 1, 3, 6, 7