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

<table class="table-group" id="tab13"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Number of controllers (<i>K</i>)</td><td class="align_center">Global average latency (ms)</td><td class="align_center">Latency increase from previous</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">2</td><td class="align_center">5.66</td><td class="align_center">—</td></tr><tr><td class="align_left">3</td><td class="align_center">5.86</td><td class="align_center">3.53%</td></tr><tr><td class="align_left">4</td><td class="align_center">6.4</td><td class="align_center">9.22%</td></tr><tr><td class="align_left">5</td><td class="align_center">7.55</td><td class="align_center">17.97%</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Comparison of global average latency variation at 0.8 SC + 0.2 CC in Ernet topology.</div>

Journal of Computer Networks and Communications

tab13

Table 13

Table 13: Multi-Controller Placement Optimization Using Naked Mole-Rat Algorithm over Software-Defined Networking Environment 