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Table 4 Comparison of the proposed scheme with recent existing works.

From: Secure Clustering and Symmetric Key Establishment in Heterogeneous Wireless Sensor Networks

Property

Proposed

[31]

12]

Resiliency

High

Low

Low

Key establishment

Guaranteed

Not guaranteed

Not guaranteed

Scalability

Scalable

Authentication problem

Not scalable

Memory requirement

Efficient

Less efficient

Efficient