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7. Demystifying Enterprise-Class Server Virtualization

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Demystifying Enterprise-Class Server Virtualization

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• Added by vicky_hardman, last edited by vicky_hardman on Jul 22, 2009  (view change)

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Demystifying Enterprise-Class Server Virtualization

by Chad Prucha
July 2009

This Sun BluePrints™ article defines and classifies the various subtypes of server virtualization, and provides an overview of the various enterprise-class server virtualization offerings available today from Sun Microsystems and other vendors and addresses the following topics:

• "Overview of virtualization" introduces server virtualization and provides an overview of different virtualization approaches.
• "Taxonomical summary: the subtypes of virtualization technology" presents a detailed means of classifying server virtualization implementations.
• "Survey of virtualization technologies for enterprise-grade platforms" provides a survey of current server virtualization implementations available from Sun and other vendors.

Contents

• Demystifying Enterprise-Class Server Virtualization
• Overview of virtualization
  • Server virtualization
  • Virtualization common criteria
  • Key virtualization evaluative criteria or concepts
• Taxonomical summary: the subtypes of virtualization technology
  • Hard partitions
    • Board-level partitioning
    • Core- or thread-level partitioning
  • Virtual machines
    • Type 1 and Type 2 hypervisors
  • OS-hosted virtualization
• Survey of virtualization technologies for enterprise-grade platforms
  • Hard partitions: Board-level partitioning
    • HP nPartitions and Dynamic nPartitions
    • IBM 'Hard' LPARs for zSeries
    • Sun Dynamic Domains and Dynamic Reconfiguration
  • Hard Partitions: Core- or thread-level partitioning
    • HP vPartitions (VPars)
    • IBM Power4 LPARs
  • Virtual Machines: Type 1 Hypervisor
    • IBM PowerVM (Power5 and Power6), formerly known as APV
    • HP Integrity Virtual Machines (Integrity VM or IVM)
    • Sun Logical Domains (LDoms)
  • OS-level virtualization
    • HP Secure Resource Partitions (SRP)
    • IBM Workload Partitions (WPARs)
    • Solaris Containers
• Summary
• About the author
• Acknowledgements
• References
• Ordering Sun documents
• Accessing Sun documentation online

About the Author

A relatively new employee at Sun, Chad Prucha has over 20 years of professional computing experience ranging from coding to datacenter design. Much of his experience derives from work in Professional Services where he designed and lead projects in telepresence, open source software, virtualization and security. Chad makes an effort to train and certify in competing technologies and products in order to more fairly evaluate their qualities. He is most familiar working with academic, state government, manufacturing and public utility clients where Information Technology is squeezed for every possible efficiency. Chad also enjoys working with microcontrollers, hydroponics and Stirling engines.

Acknowledgments

The author would like to recognize Jeff Savit, Tom Atwood, Deborah Franklin, and Gary Combs for their contributions to this paper.

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