Today, customers are heavily embracing virtualization technology. In the previous chapter, we discussed the various cloud deployments including Infrastructure as a Service (IaaS). IaaS gives IT the ability to quickly spin up an operating system environment in a fraction of the time it would normally take to procure new hardware and install an operating system and applications. Private cloud computing holds similar characteristics to public cloud computing. For one thing, both are elastic. By "elastic," we are referring to the capability to quickly and easily spin up and down new operating system environments. The big difference between public and private clouds is that private clouds occur within a corporate firewall and sometimes leverage existing hardware. Private clouds are shielded from the theoretical insecurities of the Internet. For this reason, many companies are quicker to adopt a private cloud infrastructure. In fact, according to the online article "Sizing of the Datacenter" located at www.ctoedge.com/content/sizing-state-data-center?slide=13, the Association of Data Management Professionals (www.afcom.com) estimates that 70% of customers are planning on or are currently implementing a private cloud-based solution.KeywordsCloud ComputingVirtual MachinePrivate CloudHybrid CloudLive MigrationThese keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.