Let’s Talk Networking: What is Software-Defined Networking in Operational Technology?

Software-Defined Networking (SDN) is a way to control and manage a physical network. SDN creates a central location for devices to be provisioned, monitored, and supported. With this centralized location, SDN platforms bring new visibility and control to traditional networking. Here are four advantages:

  1. Wholistic View: You can see and configure the flow of communication across the entire network.
  2. Device-Based Security: Rather than configuring individual switches or ports, you can apply security rules and policies to devices as they are added to the network. Those rules remain with the device no matter where it is plugged in. In the end, it is better security for your devices.
  3. Simplicity of Provisioning New Networks: There is no need for an individual switch or port configurations because it's done in a central location.
  4. Asset Visibility: Since all communication is captured, you can see what devices are actively communicating on the network.


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