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VMware vSphere: Does It Solve IT’s Biggest Worries About Cloud?

vSphere 4 lays the technology foundation for VMware's vision of the private cloud in enterprise data centers. But some of the key concerns that IT leaders have about cloud computing fall outside of vSphere 4's scope -- or VMware's control, analysts say. Here's a look at the key hurdles to enterprise cloud adoption right now and how well they have been addressed.