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VMware® ESXi: Planning, Implementation, and Security by Dave Mishchenko

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Chapter 1. Introduction to VMware ESXi 4.1

VMware was formed as a company in 1998 to provide x86 virtualization solutions. Virtualization was introduced in the 1970s to allow applications to share and fully utilize centralized computing resources on mainframe systems. Through the 1980s and 1990s, virtualization fell out of favor as the low-cost x68 desktops and servers established a model of distributed computing. The broad use of Linux and Windows solidified x86 as the standard architecture for server computing. This model of computing introduced new management challenges, including the following:

  • Lower server utilization. As x86 server use spread through organizations, studies began to find that the average physical utilization of servers ranged ...

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