Assessment of In-Cloud Enterprise Resource Planning System Performed in a Virtual Cluster

Table 1

ERP access frequency and its operational cost.

Testing item	Case A: in-house ERP	Case B: in-cloud ERP	Ratio of Case B to Case A
Number of access (times/day)	63	328	5.206
Monthly expenditure (US dollars/month)	103.6	50.1	0.484