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In SDN, which component is responsible for translating high-level policy into device-specific configurations?SDN ApplicationNetwork Operating SystemSDN ControllerNetwork Forwarding Device

Question

In SDN, which component is responsible for translating high-level policy into device-specific configurations?SDN ApplicationNetwork Operating SystemSDN ControllerNetwork Forwarding Device

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Solution

The component responsible for translating high-level policy into device-specific configurations in Software-Defined Networking (SDN) is the SDN Controller.

Here's a step-by-step explanation:

  1. The SDN Application: This is where the high-level policies are defined. These policies are rules or guidelines that govern the behavior of the network.

  2. The SDN Controller: This is the "brain" of the network. It takes the high-level policies from the SDN Application and translates them into device-specific configurations. This is done through a process called "abstraction", where the complex details of the network devices are hidden, and a simplified version of the network is presented to the SDN Application.

  3. The Network Operating System: This is the software that runs on the SDN Controller. It provides the interface between the SDN Application and the network devices. However, it is not directly responsible for translating the high-level policies into device-specific configurations.

  4. The Network Forwarding Device: This is the hardware (like routers and switches) that actually implements the configurations provided by the SDN Controller. It takes the device-specific configurations and uses them to manage the flow of data through the network.

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