Host Deployments in a Software Defined Data Center (SDDC)

Host deployments in a Software Defined Data Center (SDDC): How do you deploy the hypervisors in your company? There are several different choices from installing from a CD, network install and/or PXE, to name a few methods currently available. When there are not a lot of physical hypervisors to worry about the CD installation works just fine and the need for automated installation gets stronger in direct correlation to the number of hosts.