Exploring the security of Software Defined Network (SDN)
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Software Defined Networks have a centralized nature due to which the attackers may try to compromise them to jeopardize the whole network security. The SDN controller is the center point for connections between the applications and the network, becomes the potential candidate for network attacks such as man-in-the-middle, distributed denial of service (DDoS) attacks. In this paper, the SDN infrastructure is exposed to various DDoS attacks and then the results are noted based on the severity of the attacks. In a nutshell, this paper studies the potential security vulnerabilities of unencrypted communication in the northbound and southbound channels. The experiment's conclusion established that a DDoS attack on one VLAN affected the services of another VLAN. The VLANs were built to segregate traffic without inter-VLAN contact, but the massive amount of traffic produced by a DDoS attack on one VLAN strained the controller's resources, delaying the response of legal traffic from other VLANs and resulting in a Denial of Service attack against that VLAN.
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http://purl.org/coar/resource_type/c_1843
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en