Network Security using Host-controller Application Codesign in SDN

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Tajzad, Mohammad Reza | 2017

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Type of Document: M.Sc. Thesis
Language: Farsi
Document No: 49874 (19)
University: Sharif University of Technology
Department: Computer Engineering
Advisor(s): Afshin Hematyar, Ali Mohammad
Abstract:
Software Defined Networks provide programmability and centralized control for network’s administrator. Like other networks, security problems are important in these networks, but there is not enough research in this area. The problem being discussed here is to elevate the security level in software defined networks using centralized control and programmability of these networks. We will accomplish this purpose by using hosts and controller at the same time to prevent unwanted traffic from entering the network. By using this approach, we will be able to remove many short comings of these networks and implement security systems, like intrusion detection systems, more efficient. One of these problems referred here is the place of implementing these systems. By using this approach, we will not worry about where to put them because these systems are in the whole network and the overall security of network will be higher. Security rules generated by these systems will be applied to end hosts as flow table’s rules and will generate the same effect they have in traditional networks
Keywords:
Software Defined Networks (SDN) ; Network Management ; Network Security

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