Abstract
Software Defined Networking brings in the concept of “Programmable Network” in the networking domain which in turn lends flexibility, simplicity for managing the network. The key idea behind this simplicity is decoupling of the control plane from the data plane. Nevertheless, such decoupling of the planes also acquaints SDN to the most critical type of attack, i.e., DDoS attack. Our goal is to showcase a concise survey of DDoS attacks in SDN and then present comparative solutions against these DDoS attacks. Firstly, we discuss the life cycle of DDoS attack in SDN. Then several taxonomies of DDoS attacks which affect SDN environment have been discussed, followed by which analysis is performed to cover the taxonomy of solutions for this severe type of attacks. Finally, we present, future research directions that will be a crucial idea to defend such attacks in near future.
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