Cloud services promise low cost-of-entry and rapid return on investment, but those advantages make it easy to overlook associated investments. To find out the true return on investment (ROI) of cloud computing enterprises have to dig deeper, according to a white paper from industry organization Information Systems Audit and Control Association (ISACA).
Calculating the total cost of an IT service against its potential return is always a challenge for IT staff, and that holds even truer for cloud computing, according to ISACA. A thorough analysis of cloud computing benefits must include short-, medium- and long-term views as well as termination costs, it said.
Hidden costs that enterprises may fail to anticipate when moving quickly to cloud-based services include the cost of bringing services back in-house due to regulatory change; unexpected expenses involved in the initial migration of systems; and lock-in with a specific provider or proprietary service model, according to ISACA.
To calculate investments needed to move a service back in-house — if new regulations or economic problems render the cloud impractical — enterprises have to take several factors into account. They include paying for extracting and validating data and the cost
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