A Review Paper on Software Defined Networking
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Abstract
The comprehensive concept of SDN(Software Defined Networking) has introduced the extensive change to the traditional networks with the integration of the network by decoupling the forwarding hardware (data plane) from the control logic of the network (control plane).Software Defined Networking (SDN) is a new way of technology that is helping to overcome the limitations of traditional networks. With the help of this emerging technology paradigm has created a great future, an expectation to overcome the need for reliable, secure, flexible and well management of next generation networks. The basic idea behind it is the separation of control plane from data plane. SDN has made the Networks more programmable. SDN is a three layered architecture. OpenFlow Protocol is the most common protocol used for providing the interface called as Southbound APIs between control layer and physical layer. On the other hand interface provided in between application layer and control layer is called as Northbound APIs. All the intelligence is lying in control layer. Controller acts as a brain of the network which is configuring and managing the flow of network through network devices present in physical layer. This paper illustrates the introduction about Traditional networks, Software Defined Networking its architecture, interfaces popular controllers, mininet emulation tool used in SDN, its topologies and security threats in SDN.
Keywords: Software Defined Networking, Data plane, Control plane, Network Function Virtualization, Open Network Foundation, Type-Length-Value
Keywords: Software Defined Networking, Data plane, Control plane, Network Function Virtualization, Open Network Foundation, Type-Length-Value
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