The development of operating system theory and practice is always behind the development of hardware technology and can't meet the requirement of the application. The microkernel technology, invented in the late of 80, has made a great progress and brought hopeful light on the development of operating system. Now we can see that operating system research has entered into a situation of less excited. In this paper, through the analysis of two operating system architectures and the implementation of microkernel technology, the author points out the weakness of the microkenel technology. By using virtual computing theory, the author points out the fault areas in the microkernel technology research, describes the reasons of why microkernel technolgoy can not make turther progress and the strategy we should take in the research of operating system.
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