Research Article

A Firefly Colony and Its Fuzzy Approach for Server Consolidation and Virtual Machine Placement in Cloud Datacenters

Table 6

Comparison of the multiobjective firefly and fuzzy firefly technique with other algorithms for average power consumption and resource wastage of VM requirements with reference values as 25% and 45% and correlation coefficients as −0.754 and −0.755.

Reference value
Correlation coefficient−0.754−0.755
AlgorithmPower (W)Resource wastageFuzzy fitness (10−3)CPU execution time (S)Power (W)Resource wastageFuzzy fitness (10−3)CPU execution time (S)

Fuzzy firefly colony20430 6.129055.433070111.129116.21
Firefly colony20645 7.328895.413098511.219016.23
ACO20990 7.418595.473131511.428326.41
MMAS21910 7.968525.703134811.988366.56
FFD2481824.267168.543496951.0175624.61