Research Article
Multi-Controller Placement Optimization Using Naked Mole-Rat Algorithm over Software-Defined Networking Environment
Table 14
Global average latency variation with different cases for SC and CC using NMR and BAT algorithms.
| Cases | Average SC latency | Global average latency | Remarks |
| I. Only SC | Decreasing with increasing controller number | — | — | II. 0.9 SC + 0.1 CC | — | Not decreasing with increasing controller number | Slight decline at k = 2 and 3 and slight increment after after k = 4 | III. 0.8 SC + 0.2 CC | — | Starts rising with increasing controller number | Effect of increase in CC latency |
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