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Less physical data living and moving over our plumbing means we
can have more virtual instances of that data, which drives even
more value. By Steve Duplessie Data virtualization, which is a
virtual instance of data instead of a physical one, is perhaps
the most interesting means of gaining efficiency throughout the
entire spectrum of IT operations. But people often overlook that
data is the reason why the infrastructure exists to begin with.
Therefore, solving inefficiencies directly at the data layer
will often have the most significant return on effort and
investment. Deduplication, thin provisioning and snapshots are
examples of techniques that dramatically reduce or eliminate the
true physical issues associated with data, and continue to
provide unfettered "virtual" access. Consider data
deduplication. Data is du