From: Slavik Krassovsky (viatk_at_windows.microsoft.com)
Date: Wed Jan 14 2004 - 14:50:04 PST
This paper describes and approach to creating an sharing oriented, yet
secure operating systems on a 64-bit (could be more, but that seems to
be sufficient) architectures. The prototype system called Opal is
described and Boeng CAD system is discussed as a sample application,
which is implemented as a collection of threads that require an access
to a large persistent database.
This approach is a very innovative mix of the notion capabilities and
segments which facilitates sharing while providing protected environment
and realization of the fact that on a wide-address platforms there is no
need to reuse addresses.
I liked this paper a lot - it's very well written, there are many good
discussions and references to existing systems. It is easy to see the
motivation behind the authors choices.
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