Deploying VMware vSphere 4 is more than just virtualizing servers. A vSphere deployment affects storage and networking in equally significant ways as the physical servers themselves. As a result of this broad impact on numerous facets of your organization's information technology (IT), the process of planning the vSphere deployment becomes even more important. Without the appropriate planning, your vSphere implementation runs the risk of configuration problems, incompatibilities, and diminished financial impact.
Your planning process for a vSphere deployment involves answering a number of questions:
Will I use VMware ESX or VMware ESXi?
What types of servers will I use for the underlying physical hardware? ...