GravCPA: Controller Placement Algorithm Based on Traffic Gravitation in SDN

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Topology</td><td class="align_center">Nodes</td><td class="align_center">Links</td><td class="align_center">Demand pairs</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left"><span class="sansierf">Abilene</span></td><td class="align_center"><span class="sansierf">12</span></td><td class="align_center"><span class="sansierf">15</span></td><td class="align_center"><span class="sansierf">132</span></td></tr><tr><td class="align_left"><span class="sansierf">Cost266</span></td><td class="align_center"><span class="sansierf">37</span></td><td class="align_center"><span class="sansierf">57</span></td><td class="align_center"><span class="sansierf">1332</span></td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Journal of Control Science and Engineering

tab5

Table 5

Table 5: GravCPA: Controller Placement Algorithm Based on Traffic Gravitation in SDN 