Multiobjective Reliable Cloud Storage with Its Particle Swarm Optimization Algorithm

Table 1

Storage price of cloud company A.

Name	CPU (s)	Memory (GB)	Price ($/hour)
			Place 1	Place 2	Place 3
m1.small	1	1.7	0.085	0.095	0.095
m1.large	4	7.5	0.34	0.38	0.38
m1.xlarge	8	15	0.68	0.76	0.76
c1.medium	5	1.7	0.17	0.19	0.19
c1.xlarge	20	7	0.68	0.76	0.76
m2.xlarge	6.5	7	0.50	0.57	0.57
m2.2xlarge	13	34.2	1.00	1.14	1.14
m2.4xlarge	26	68.4	2.00	2.28	2.28