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Table 15 Advantage of adaptive rule reordering mechanism

From: Ant colony optimization-based firewall anomaly mitigation engine

Policy no.

Time taken for adaptive checking one rule (s)

Time taken by ACO to recheck n + 1 rules (s)

Policy 1

0.002

0.198

Policy 2

0.002

0.987

Policy 3

0.004

4.620

Policy 4

0.006

118.57

Policy 5

0.007

1853.44