Capacity planning needs to provide answers to two questions: What are you going to need to buy in the coming year? And when are you going to need to buy it?
Server Virtualization - News, Features, and Slideshows
Virtualizing x86 infrastructure isn't just a one-step process -- as servers change, the whole data center must change as well. While server hypervisors such as VMware's ESX, Microsoft's Hyper-V and Xen can make IT more efficient and cost-effective, many of the virtualization advantages can be canceled out when data centers rely on technology and processes that haven't been updated for the virtualization age.
Server virtualization through the use of software products such as VMware has been implemented to varying degrees in corporate IT, with some successful and some not-so-successful outcomes. This year, the virtualization trend promises to continue apace.