Vmware paravirtualização
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VMwareUnderstanding Full Virtualization, Paravirtualization, and Hardware Assist
Contents
Introduction .................................................................................................................1 Overview of x86 Virtualization..................................................................................2 CPU Virtualization .......................................................................................................3
The Challenges of x86 Hardware Virtualization ...........................................................................................................3 Technique 1 - Full Virtualization using Binary Translation......................................................................................4 Technique 2 - OS Assisted Virtualization or Paravirtualization.............................................................................5 Technique 3 - Hardware Assisted Virtualization ..........................................................................................................6
Memory Virtualization................................................................................................6 Device and I/O Virtualization.....................................................................................7 Summarizing the Current State of x86 Virtualization Techniques......................8
Full Virtualization with Binary Translation is the Most Established Technology Today..........................8 Hardware Assist is the Future of Virtualization, but the Real Gains Have Yet to Arrive..........................9 Xen’s CPU Paravirtualization Delivers Performance Benefits with Maintenance Costs .........................9 VMware’s Transparent Paravirtualization Balances Performance Benefits with Maintenance Costs