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Next Generation Data Centers in Financial Services by Tony Bishop

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Chapter 4. Design from the top-down
Key Points
The traditional bottom-up datacenter model, complete with generic resources organized into silos of operations to meet business needs, results in missed business opportunities and is at the root of datacenter sprawl.
A top-down model oriented around the business value chain that defines business demand in real time and drives the dynamic allocation of virtual resources from tailored fit-for-purpose physical resources leads to an effective business solution and resource efficient Next Generation Datacenter.
A traditional datacenter model operates in a bottom-up supply mindset: “Just build it because they’re coming!” This approach does make each siloed resource offered (server, SAN, network, ...

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