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Andrew Hillier

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Top Stories by Andrew Hillier

The flexibility, efficiency, and reduced cost of ownership virtualization provides makes it extremely compelling to large and small organizations alike. Increasingly IT organizations are contemplating virtualization across all platforms. As this trend makes its way deeper and deeper into the data center, organizations are starting to leverage the fact that virtualization also lifts many of the constraints that govern which platform an application needs to run on. Different types of applications possess different workload “personalities” and these heavily influence how well an application will perform on a given virtualization model. Some workloads possess certain characteristics that make them ideal for consolidation onto mainframes. In this article I’l... (more)

Virtualization Economics: Balancing Efficiency and Risk

The fact that virtualization can have a positive impact on total cost of ownership is not new to those familiar with designing and managing IT environments. Many of the contributors to these cost savings, such as reduction in physical hardware and the corresponding savings in power and cooling, are key drivers for virtualization initiatives, and feature prominently in many ROI models. Bu... (more)