Ed Sperling  Ed Sperling, None  3/30/2009 @ 6:00AM  Painting The
Data Center Green  We live in a physical world, but data lives
in a virtual world. And now data is about to go even more
virtual, tied less to a physical server and more to where
resources can be be used effectively and efficiently.  Driven by
runaway operating costs, pressure to become more environmentally
friendly (and energy efficient) and the realities of multicore
processors, virtualization solutions are being pitched by every
major hardware vendor in the information technology world.
Forbes caught up with Stephen Herrod, chief technology officer
at VMware , to discuss the changes.  Forbes: Where is
virtualization strongest?  Stephen Herrod: We work on the data
center, the hosting/cloud world, and we have a very large effort
around the desktop. On the data center side, the most generally
misunderstood view of what we’re doing now comes from looking
historically at what we were doing.  In the past, VMware was
being used purely for server con