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This section describes the Device subsystem, including the OpenFlow provider.
Overview
The Device subsystem is responsible for discovering and tracking the devices that comprise the network, and for enabling operators and applications to control them. Most of ONOS's core subsystems rely on the the Device and Port model objects created and managed by this subsystem.
The Device subsystem follows the architecture described in System Components, with a DeviceManager capable of interfacing with multiple DeviceProviders, each with support of their own network protocol libraries or means to interface with the network.