CHAPTER 15: MANAGING THE INTERFACE

Scaling an inverted pyramid

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Figure 50: Server to system administrator ratio Part I

The server-to-admin ratio is a traditional metric used to assess IT operating efficiency (see Figure 50). Specific factors can improve this ratio, not least a homogenous infrastructure and standardized configurations.

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Figure 51: Server to system administrator ratio Part II

The advent of virtualization promises a dramatic improvement (see Figure 51). As presented briefly in Chapter 4: Systems, virtualization decouples the operating ...

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