Each router in the classical network's per-router control plane uses destination IP forwarding to talk to the others in the network. Where does this message forwarding technique, depending on the recipient's IP address, have its limitations? List at least three limitations and provide illustrations. How can SDN (Software Defined Networking) fit into the solution to these problems? Examples will be used to illustrate the points being made.

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Q: ntro

A: Dear Student, The detailed answer to your question is given below -

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Q: The per-router control plane (also known as the classical network) makes use of destination IP-based…

A: The answer is as follows.