When it comes to application performance, data center managers don't usually dig too deeply. They are embroiled in the day-to-day requirements of managing the infrastructure that sits beneath the applications. Yet when users start complaining about slow response times or application errors, the IT managers who oversee those applications come knocking at the data center door with questions. How is the network/storage/servers affecting my system? Data center managers don't always have those answers at hand.

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