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Server virtualization has been the subject of much discussion on the LStech list and in Tech Noodling Roundtables lately. If you’re like me you’re swimming in a sea of words like vmware, and esxi and you have no real idea what the point is — even though it’s clearly very important to techies in the field.
Steve Gray made this very point on the LStech list, and passed along this video to help:
Virtualization is a method of running multiple independent virtual operating systems on a single physical computer. It is a way of maximizing physical resources to maximize the investment in hardware. Since Moore’s law has accurately predicted the exponential growth of computing power and hardware requirements for the most part have not changed to accomplish the same computing tasks, it is now feasible to turn a very inexpensive 1U dual-socket dual-core commodity server into eight or even 16 virtual servers that run 16 virtual operating systems. Virtualization technology is a way of achieving higher server density. However.