Chapter 5. SDN Control Plane
The organization for the control and guidance of the trade should therefore be of so complete a character that the trade may be either dispersed about the ocean or concentrated along particular routes; or in some places dispersed and in others concentrated; and that changes from one policy to the other can be made when necessary at any time.
—The World Crisis, Winston Churchill, 1923
Chapter Objectives: After studying this chapter, you should be able to
List and explain the key functions of the SDN control plane.
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