Specialized execution environments

  • Authors:
  • Maria Butrico;Dilma Da Silva;Orran Krieger;Michal Ostrowski;Bryan Rosenburg;Dan Tsafrir;Eric Van Hensbergen;Robert W. Wisniewski;Jimi Xenidis

  • Affiliations:
  • IBM Research;IBM Research;VMware;VMware;IBM Research;IBM Research;IBM Research;IBM Research;IBM Research

  • Venue:
  • ACM SIGOPS Operating Systems Review
  • Year:
  • 2008

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Abstract

Virtualization has become popular (again) as a means of consolidating multiple operating systems (OSes) onto a smaller set of hardware resources. The roles of OSes in such environments have changed. Whereas normally an OS provides balance between the demands of application and hardware support, in the world of virtualization it can be beneficial to split these roles. One OS may support a particular application set and use other OSes to interact with physical hardware. The hypervisor, or virtualization layer, provides communication facilities for the inter-OS communication needed to support such a deployment model.