Service Virtualization: Reality Is Overrated by John Michelsen & Jason English

Author:John Michelsen & Jason English [Michelsen, John & English, Jason]
Language: eng
Format: epub
ISBN: 9781430246718
Publisher: Apress
Published: 2012-09-26T04:00:00+00:00

Best Practice 2: Reduce Your Infrastructure Footprint

Solving the problem of available IT infrastructure for software development doesn't seem like the sexiest thing Service Virtualization can do outside its ties to “Green IT” initiatives for reducing energy consumption. However, the potential business value goes way beyond environmental impact, and the ROI it can generate sure is sexy once it is understood by management.

Every large company continuously accumulates additional infrastructure to support ongoing business and new service offerings. This includes buying more web servers and app servers, additional mainframe partitions, increased network capacity, more software licenses, exponentially larger databases, and additional transaction space on third-party and shared resources.

When conventional Server Virtualization emerged on the scene starting around the year 2000, businesses jumped on it with haste, and that consolidation created an immediate reduction in capital expense (CapEx)* by reducing hardware and server room costs. However, if we follow Moore's law*, we also know that these commodities will also become faster, more compact, more efficient, and cheaper every month as technology advances.

So while the use of VMs and hypervisors hastened the reduction of “under-utilized” system resource costs and saved some power in the server room, it couldn't touch the even costlier and faster growing infrastructure availability problems of “over-utilized” systems needed to support distributed enterprise applications.

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