From: Justin Voskuhl (justinv_at_microsoft.com)
Date: Mon Jan 12 2004 - 16:34:55 PST
In HYDRA, the authors have implemented some abstractions that serve as
the core for building a variety of operating system environments on top
of it. The abstractions they provide center around trusted procedures
that manipulate objects (in the abstract sense.) Their hope is that the
system is abstract enough that it doesn't confine operating system
researchers into traditional notions of protection. They explain the
minimal set of objects in their system that are required to do work, and
given an example of how a new object type called BIBLIO might be
introduced to support a system for editing and annotating documents with
bibliographies that are shared by multiple users.
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