Transcription of VMware Understanding Full Virtualization ...
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VMware Understanding Full Virtualization , Paravirtualization, and Hardware Assist Contents i Contents Overview of x86 CPU The Challenges of x86 Hardware Technique 1 - Full Virtualization using Binary Technique 2 - OS Assisted Virtualization or Technique 3 - Hardware Assisted Memory Device and I/O Summarizing the Current State of x86 Virtualization Full Virtualization with Binary Translation is the Most Established Technology Hardware Assist is the Future of Virtualization , but the Real Gains Have Yet to Xen s CPU Paravirtualization Delivers Performance Benefits with Maintenance VMware s Transparent Paravirtualization Balances Performance Benefits with Maintenance VMware is Fostering an Open Standards Approach to VMware Leverages a Multi-Mode VMM Architecture for Performance and Next VMware Understanding Full Virtualization , Paravirtualization, and Hardware Assist Introduction 1 Figure 1 Summary timel ine of x86 virtual ization tec hnologies Introduction In 1998, VMware figured out ho w to virtualize the x86 platform, once thought to be impossible, and cre ated the market for x86 vi
virtualization, where the unmodified OS does not know it is virtualized and sensitive OS calls are trapped using binary translation. The value proposition of paravirtualization is in lower virtualization overhead, but the performance advantage of paravirtualization over full virtualization can vary greatly depending on the workload.
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