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SDN and NFV Simplified: A Visual Guide to Understanding Software Defined Networks and Network Function Virtualization by Jim Doherty

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37. Network Management Tools

You can look at software-defined networking (SDN) as being a new method of designing, building, and managing networks achieved through the separation of the control plane from the underlying forwarding data plane on devices within the network. To make this actually work and to prevent SDN from becoming a multitude of autonomous network applications and monitoring tools, SDN offloads control to centralized network control computers. Consequently, these controllers need a method of communication with the forwarding data planes of the distributed devices in the network. This SDN design setup allows great flexibility and tight management control by:

Forwarding data flows along the most optimal path (which is not necessarily ...

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