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Optimizing Citrix® XenDesktop® for High Performance by Craig Thomas Ellrod

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Chapter 3. Hypervisors

You've learned about XenDesktop architectures, terminology, concepts, components, and sizing. Examining how the virtual hardware operates in general and how it relates to XenDesktop is key, and we will continue down that path. Before we do that, however, we need to have a discussion on how virtualization works in relation to the underlying hardware. In this chapter, we will cover the following topics:

  • VMware rings
  • XenServer domains
  • Hyper-V partitions
  • Full virtualization
  • Paravirtualization
  • XenServer Tools
  • VMware Tools
  • Hyper-V Tools

VMware rings

Hardware virtualization is a challenge. Each hypervisor has its own internal structure and resources for handling it. Without these things, each virtual machine would suffer terribly with regard ...

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