Take a stroll through almost any data center today, and you will see pretty much what you would have seen a decade ago -square white tiles over a raised floor, bright florescent lights, little red fire alarms everywhere and rows of faintly humming computer equipment and air conditioning gear. But this familiar scene masks some big changes in the way that data centers are built, as well as changes in computer technology and an evolution in what data centers are expected to accomplish. Ultradense server racks, the move to distributed and virtual processing, a requirement for instant fail-over, and new requirements for IP telephony and voice over IP are all driving changes above and below the raised floor.
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