Table 2.

Optimum rekeying rate for the WSN with different parameter sets of the Weibull distribution.

Shape Para	Scale Para	Variance	n (Sample)	Optimal Rate
no padding			375	0.4348
wei 0.40	0.05	0.2725	830	0.3000
wei 0.37	0.05	0.5642	1070	0.2653
wei 0.35	0.05	0.9980	1400	0.2326
wei 0.34	0.05	1.6151	1750	0.2084