These days we can see virtualization technology everywhere in our daily life. In this article I will explain about the basic knowledge of virtualization, mainly with x86 architecture, the technology used for CPU, memory, and IO, as well as the trends of virtualization technology development.
Benefits of Server Virtualization
The universalization of virtual machines has brought many positive effects on computing environments and internet business. The most noticeable advantage of virtual machines is that they reduce server costs significantly. For example, many internet venture companies benefit from Amazon EC2. In addition to such cost merit, virtual machines also provide many benefits in terms of operation. They enable you to provide server infrastructure fast, and to control resources, such as memory size, remotely.
Since 2008, NHN has used virtual machines (VM) when a server is required for development/test purposes or, in some cases, to provide actual services. Ncloud Dev. Team at NHN released Ncloud, an integrated cloud solution service, in 2011, and has provided virtual servers both internally and externally.
The benefit of cloud solutions like Ncloud to developers is that it has universalized the application and use of servers. VMs enable you to get a server that you can use within a few minutes without any particular payment.
The field of servers is not the only place where such VMs are used. Many general users also use a virtualization solution product, such as VirtualBox and VMWare. VMs are in such a close distance to us.
Then, how can virtualization be made?
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