Table 6.

Details on the experiment.

Number	Experiment	Description
1	Using the EC2 medium instance for a fixed amount of storage	Preallocated EC2 instances of type m3.medium and m3.2xlarge are preallocated in the web service layer and the database layer, respectively
2	Statically allocating resources with an Amazon EC2 large instance	We have preallocated two EC2 instances, one for web services and the other for databases, both of which are of type m3.2xlarge
3	EC2 xlarge instance for static allocation	Preallocated EC2 instances of type m3.2xlarge for the database and one of type m3.2xlarge for the web service tier