Linked by Thom Holwerda on Wed 7th Apr 2010 22:17 UTC
OSNews, Generic OSes "Joanna Rutkowska, a security researcher known for her work on virtualization security and low-level rootkits, has released a new open-source operating system meant to provide isolation of the OS's components for better security. The OS, called Qubes, is based on Xen, X and Linux and is in a basic, alpha stage right now. Qubes relies on virtualization to separate applications running on the OS and also places many of the system-level components in sandboxes to prevent them from affecting each other."
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RE: Microkernel
by onetwo on Thu 8th Apr 2010 07:45 UTC in reply to "Microkernel"
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I reckon they are both semantically very close; where these two approaches diverge is the specifics of "implementation". In relation, an interesting view-point (mind the pun) can also be expressed as to the logical path kernel designers/ programmers have walked towards the result of the microkernel and the bear-metal hypervisor architectures respectively (bottom-up vs. top-down).

One thing I see as inevitable is the not-so-distant-future convergence of both design approaches.

I should add that the pdf [] provided on the website is a good read, although a bit too cursory when it comes to architectural intricacies. Attack vectors are also investigated.

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