SDN Architecture Components

SDN Architecture Components

SDN Architecture consist of different components. Here, we will see all these SDN Architecture Components and their duty one by one. What are these SDN Components? The basic SDN Terms, SDN Components are:

• Network Devices (Data Plane)
• SDN Conroller (Control Plane)
• Soundbound Interface
• Northbound Interface
• Network Operating System (NOS)
• Application and Services (Application Plane)

SDN Architecture : Network Devices (Data Plane)

Data Plane is consist of various Network devices both physical and Virtual. The main duty of data plane is Forwarding. In the previous traditional networks, both control and data plane was in the same device. But with SDN, network devices has only data plane. So, the main role of these network devices is only Forwarding the data. This provide a very efficient Forwarding mechanims.

SDN Architecture : SDN Controller (Control Plane)

SDN Controller is the Center of the SDN Architecture and the most important one of SDN Architecture Components. In other words, SDN Controller is the brain of the system. The control of all the data plane devices are done via SDN Controller. It also controls the Applications at Application Layer. SDN Controller communicate and control these upper and lower layer with APIs through Interfaces.

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