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Private cloud 101: Is your data center ready?
This article is part of the Virtual Data Center issue of November 2010, Vol. 28
Everybody is talking about cloud computing as an alternative to traditional computing models, but many are leery of relinquishing control to a public cloud provider. As a result, companies looking to embrace cloud architecture are creating their own private cloud environments. What defines a private cloud infrastructure compared to a traditional data center? Can you just declare your existing data center a private cloud and be done with it? It's not as simple as that. Private clouds are those that a company manages itself and deploys in its own data center, but they have several characteristics that distinguish them from traditional data centers, including: Dynamic scalability: The amount of available resources should be able to dynamically increase or decrease based on demand. High availability: The cloud infrastructure should have as much uptime as possible with minimal unplanned outages. Chargeback model: Cloud resource consumption should be monitored and measured to calculate user chargeback. Self service: Users themselves ...
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You can't just wake up one morning and call your data center a private cloud. There's a lot of planning and decision-making to do before you build a private cloud infrastructure.
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