What type of security system would you suggest for a large WSN deployed in the form of a 2-D rectangular topology from the performance point of view? Explain clearly.
What will be an ideal response?
2-D rectangular scheme is a regular topology and the neighboring nodes are known ahead of time. So, a shared symmetric key between two adjacent devices can be fixed at the time of key distribution and the simplest to utilize without compromising the secured communication. If the key ought to be changed dynamically, then bivariate polynomial can be instead.
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