Control plane on a logically centralized control represents that, it knows all the routing tables and forwarding tables in the routers of the network.
The Data plane consists of different network switches which are very simple and fast devices. These devices can execute “match plus action” rules in the flow tables.
The control plane consists of different servers and software which are determined and managed by the switch’s flow tables.
Therefore, the data plane and control plane are implemented in separate devices.
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