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Forrester Defines Three Cloud Storage Use Cases

Posted by Robert J. Mullins on August 16, 2010 on Network

While a lot of hype has been generated about cloud computing, particularly storage in the cloud, Forrester Research senior analyst Andrew Reichman contends that are really only three situations in which cloud storage is a viable alternative to managing storage on-premises: when supporting cloud applications, as secondary back-up and for file storage of infrequently used files.

The first in his list, storage of data for applications that are also delivered in the cloud, is commonly known as Software as a Service (SaaS). Typically, businesses delve into cloud computing one application at a time and sign up for SaaS services such as e-mail in the cloud from Google or customer relationship management software from “If an app is moving from on-premises to the cloud, that changes how much storage on-premises you’re going to need,” said Reichman, who also advised that the SaaS vendor needs to accurately determine how much storage the customer’s application is going to need. It’s also not uncommon for a business to have different cloud vendors for different applications because each may have particular expertise in one app area or another, he said.

Second, cloud storage would be appropriate for secondary backup of data. Storage needs to be in the same location as the application servers so data is saved to storage quickly, but backup storage could and should be off-site for disaster recovery purposes, and the cloud could be a suitable solution, Reichman said.

However, the cloud provider needs to have enough bandwidth to return data quickly to the customer’s data center when needed.

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