Components + security = OS extensibility

  • Authors:
  • Antony Edwards;Gernot Heiser

  • Affiliations:
  • University of NSW, Sydney, Australia;University of NSW, Sydney, Australia

  • Venue:
  • ACSAC '01 Proceedings of the 6th Australasian conference on Computer systems architecture
  • Year:
  • 2001

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Abstract

Component-based programming systems have shown themselves to be a natural way of constructing extensible software. Well-defined interfaces, encapsulation, late binding and polymorphism promote extensibility, yet despite this synergy, components have not been widely employed at the systems level. This is primarily due to the failure of existing component technologies to provide the protection and performance required of systems software. In this paper we identify the requirements for a component system to support secure extensions, and describe the design of such a system on the Mungi OS.