Linked by Thom Holwerda on Tue 30th Aug 2011 17:29 UTC, submitted by Dale Smoker
OSNews, Generic OSes "What would an operating system look like it if were redesigned with security in mind? Joanna Rutkowska thinks she has the answer with the development of Qubes OS. We sit down for an interview with Joanna to discuss the way Qubes OS augments security."
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bannor99
Member since:
2005-09-15

QNX seems to have been able to build a true microkernel OS that performs very well - how did they do it?

Complexity may be the enemy of security but you cannot do away with it completely so you must have safe designs, tools, languages, etc.

I think we chose the wrong path decades ago and we may never fully switch. What i mean was that the monolithic design prevailed because of its performance and we had to live with the bugs, security risks, crashes and system restarts.
The $100 billion question - would we have been better of to go microkernel and try to mitigate the performance deficit ( which would improve quickly over time as hardware sped up by leaps and bounds every few years ) or did we do right by choosing performance and having to live with the downsides of the monolithic design?

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