In cloud computing, data is not electricity

Nick Carr's classic vision of cloud computing, The Big Switch, spent a lot of time exploring the evolution of the electric utilities in the early part of the 20th century. That history is a powerful one, and one that shows the true value that can be derived from centralized generation and distribution of a critical commodity.

However, some have taken electricity as an analogy to cloud adoption to an extreme, and declared that there will be a massive and sudden shift from corporate data centers to entirely external cloud computing environments--public cloud utilities, if you will. They are wrong, and the reason why they are wrong can be captured in a single simple statement.

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