The practical, technical, ROI-focused guide to deploying 'Green IT' data center technologies - from leading server expert Marty Poniatowski • •Offers independent coverage of Green data center technologies from HP, Cisco, EMC, VMware, and APC - all leading data center vendors. •Presents detailed case studies and realistic ROI calculations that reflect the author's extensive experience with virtualization and related technologies. •Includes detailed implementation and performance information available in no other 'Green IT' book. As enterprises seek to reduce costs, enhance overall environmental performance, and strengthen their public image, many are turning to 'Green IT' initiatives that focus on one of the most resource-intensive areas of the enterprise: the data center. 'Green IT' has been widely publicized, but IT professionals need realistic, 'in the trenches' guidance to make it work. In Foundations of Green IT, leading data center expert Marty Poniatowski offers the detailed, real-world information they need to systematically identify and implement the right improvements, and accurately calculate their savings. Unlike other guides to Green IT, this is a technical book. Poniatowski goes 'under the hood,' offering objective and detailed coverage of the latest Green IT solutions from VMware, EMC, Cisco, and other leading vendors - complete with optimized sample designs and realistic ROI projections. IT managers and administrators will learn how to redesign existing data center environments for maximum hardware, air conditioning and electrical savings. In particular, they will find specific guidance on identifying the optimal virtualization requirements for their applications, the hardware needed to support those requirements, and the resulting impact on the overall data center. For IT professionals that want to make Green IT work, no other book compares.