This white paper written by Shlomo Novotny, VP/CTO of Vette Corp, Coolcentric provides anaysis into the proliferation of new, extended application development in software as a service, as well as new virtualization technologies, which have created in most data centers a conflict between today’s outdated capabilities versus tomorrow’s growing needs. There is no doubt that the cost of building and managing data center resources continues to increase year over year. And there is also no doubt that the cost to power and cool data centers comprises a majority of the operating expense year over year. Legacy data centers waste at least 50% of the energy they consume managing heat generated by IT systems. Most data centers are not new; they are housed in buildings that are using practices that could be 20 years old and have not yet caught up with the latest trends in IT rack power densities. Fully populated racks can dissipate as much as 7kW-25kW per rack. High end servers can dissipate over 40kW per rack. This level of density requires data centers to provide power and cooling densities that exceed typical current capabilities.