he weight of the enterprise rests on IT, and complexity is spiraling out of control. IT manages an increasing number of geographically distributed applications and infrastructure with so many moving parts that something nearly always is broken or degraded. The widespread adoption of new technologies, such as server virtualization, network attached storage, and cloud computing, provide greater flexibility and perhaps even cost savings, but new layers of management and complexity are added as well. New strategic initiatives and regulatory-compliance issues make the situation even less tenable.

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