S-DPS: An SDN-Based DDoS Protection System for Smart Grids

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">No. (m)</td><td class="align_center">Flow property</td><td class="align_center">Value of <i>λ</i></td><td class="align_center">Impact</td><td class="align_center">Result</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">1</td><td class="align_center">SA</td><td class="align_center">Negative real number</td><td class="align_center">Data dispersion</td><td class="align_center">Attack from multiple IPs</td></tr><tr><td class="align_left">2</td><td class="align_center">DA</td><td class="align_center">Positive real number</td><td class="align_center">Data concentration</td><td class="align_center">Attack towards specific IP</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

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Security and Communication Networks

S-DPS: An SDN-Based DDoS Protection System for Smart Grids

Table 4