Abstract
Software defined network (SDN) is a network architecture in which the network traffic may be operated and managed dynamically according to user requirements and demands. Issue of security is one of the big challenges of SDN because different attacks may affect performance and these attacks can be classified into different types. One of the famous attacks is distributed denial of service (DDoS). SDN is a new networking approach that is introduced with the goal to simplify the network management by separating the data and control planes. However, the separation leads to the emergence of new types of distributed denial-of-service (DDOS) attacks on SDN networks. The centralized role of the controller in SDN makes it a perfect target for the attackers. Such attacks can easily bring down the entire network by bringing down the controller. This research explains DDoS attacks and the anomaly detection as one of the famous detection techniques for intelligent networks.
Highlights
The goal of software defined networking (SDN) is to enable cloud and network engineers and administrators to respond quickly to changing business requirements via a centralized control console
OF THIS PAPER Study and analysis of developments in the field of the networking and its application especially in SDN Security area
Highest distributed denial of service (DDoS) Attacks Examples: UDP flood attack, ICMP flood attack and TCP flood attack have been reported as the three highest DDoS attack incidents, and will explained : In a UDP flood attack, a large volume of UDP packets are sent to a random or specified port forcing the system to look for the application attached to these ports
Summary
The goal of software defined networking (SDN) is to enable cloud and network engineers and administrators to respond quickly to changing business requirements via a centralized control console. SDN is an emerging architecture that is dynamic, manageable, cost-effective, and adaptable, making it ideal for the high-bandwidth, dynamic nature of today's applications This architecture decouples the network control and forwarding functions enabling the network control to become directly programmable and the underlying infrastructure to be abstracted for applications and network services. SDN offers a virtualized execution platform that decouples the network control functions from the underlying traffic forwarding network [1] consisting of various network devices, e.g. switches, routers, access points, etc. It allows the execution of different network control functions as a logical centralized software based controller. This work confers four kinds of DoS attacks that are specific to networks in the OpenFlow (OF) SDN in different layers[5]
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