From the course: AI in RAN (Radio Access Network): Transforming Mobile Networks

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Overview of software-defined networking (SDN)

Overview of software-defined networking (SDN)

From the course: AI in RAN (Radio Access Network): Transforming Mobile Networks

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Overview of software-defined networking (SDN)

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Imagine a highway where every car, like your data packets, must stop at tollbooths to ask for directions, which is slow, right? Now picture a smart traffic system that instantly read out cars when a road is blocked. That's exactly what Software Defined Networking or SGN does for your network. So what exactly is SGN? SGN is segregating the control and the data plane. Here, the control plane, which decides where the data goes, will be separated from the actual data. So SGN separates these nodes and roles. A central controller, which acts as the brain, program all the switches remotely. And the switches focus purely on the forwarding data. no thinking required in this case, which is a dynamic configuration happening in SGN. Now, why does this matter? Because it adds on more agility. If any link fails during the transport connectivity, the traffic is rerouted in milliseconds without any interruption. It also adds automation where new policies like security or load balancing deployed…

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