Abstract
Abstract In today’s advancing world, there is an increase in the size and requirements of networks which can be a burden since moving around with switches is quite chaotic. SDN helps switches to be programmed and implemented independently. SDN is a way of providing programmability for network application development by separating the control plane from the data plane. Security of Software Defined Networking (SDN) is an open subject. Separating the control plane from the data plane opens up a number of security challenges such as a man-in-the-middle attack (MITM), a service denial (DoS), overload saturation attacks, etc. In this paper, we have focused on the overview of software defined network (SDN), it’s challenges, it’s issues, and their solutions. First, we have discussed about the architecture of SDN, followed by elaborating the threats and at the last, proposing some solutions to improvise the security.
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