CCNA 7.7.b: Separation of control plane and data plane

In conventional networks, routers, switches, firewalls and other devices tightly couple the control  plane and the data plane on a single device.  Software Defined Networking (SDN) introduces the concept of separating the control plane and data plane.  The data plane remains on each device (physical and virtual) for quick, efficient forwarding of data.  The control […]

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