Linked by Julien Quintard on Tue 27th Jun 2006 17:33 UTC
This paper describes the design of the kaneton microkernel. This system was designed to be ported on many architectures without being intrusive. Moreover, the main goal of this system was to be understandable by everyone interested in operating systems internals. To do so, the kaneton design and implementation are very elegant and easy to understand. Finally, the kaneton microkernel includes modern distributed concepts leading to a powerful, secure, flexible and reliable microkernel based OS. Note: This is the first entry to our Alternative OS Contest which runs through 14th July!
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Member since:
2006-06-27
Ok first thanks for your constructive comments.
By powerful we do not mean performant but flexible, reliable, scalable etc.. As I remember, I wrote in the article that the performances was not a goal of the kaneton microkernel.
Nevertheless, the kaneton portability system is powerful enough to make optimizations based on the microprocessor architecture facilities. But, needless to say, the performance loss is the price to pay when introducing concepts and genericity.
Our choice was to build a microkernel with a very clear and powerful design not to be as fast as Linux.
Our microkernel is not based on L4 since I do not know anything about L4 microkernel internals. It simple to understand why: L4 goal was to prove microkernels could be fast enough while kaneton microkernel goal is certainly not the speed. Two very different approaches.
It is possible L4 has a similar concept but I do not know I am sorry.
The paper's subject was the microkernel and not the distributed operating system. For this reason, the distributed aspects were not discussed in this article. Another article will be dedicated to this but this is a bit too early since the microkernel development is not finished yet.
Finally, the paper introduced some distributed problems but this was just to permit the reader to understand the problems. If I had just talked about capabilities, the reader would had never understood their usefulness.