Technical architecture requirements

Cloud computing services are consumed using an on-demand model. Service providers, therefore, meter and monitor the consumption of every resource by every user. Every resource, in turn, uses specific metrics and measurement units to bill users. Most organizations do not measure IT usage in this way. Neither do they typically place resource measurement sensors across their IT platform. IT is usually seen as a shared cost center with only the total cost and total capacity requirements tracked. This makes it extremely difficult to estimate service usage rates and expected cost when an application is transitioned to a CSP. Infrastructure analysis is used to get estimates of resource usage by particular applications, business processes, and organizational segments. This is normally one of the most difficult aspects of developing the business case and resultant cost-benefit analysis. Responses provide insight into the economic comparison between IaaS service...