Cloud Storage, the Cost of Migration and the Myth of the Data Lifecycle
The idea is that, since access requirements of data change over time, and since different classes of storage support different access requirements with different costs tradeoffs, it is cost effective to automatically migrate data to the class of storage that best fits its current needs.
The success of cloud storage has rekindled hope for a solution. When provided as a service, cloud storage completely changes the economics of storing data online, eliminating all operational expenses, and in many implementations, offering the consumer the ability to choose the lowest priced tier of storage that meets their access time requirements.
Is cloud storage the missing link to finally make comprehensive tiering in the enterprise economically viable? I've met plenty of people that believe this is true, but I don't think it's that simple.
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