Most of the glass-house buzz is about server and storage virtualization projects that help organizations lower their energy costs and shrink their data center footprints.

大多数高楼大厦中的嗡嗡声都是服务器和存储虚拟项目发出的。 它们帮助各个集团降低它们的能源开销，紧缩他们的数据中心规模。

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Two big disruptions have upended the enterprise data center and infrastructure stack for large companies: virtualization and flash storage.

FORBES: Why Storage Technology Is Disrupting The Enterprise

However even with data center developments such as compression, virtualization and deduplication the costs of on-line storage exceed that of local storage and the performance of on-line storage is significantly less than local storage.

FORBES: Is 64 GB Big Enough -- Why Tablet Computers May Need More Storage?