LCA13: Citrix Keynote

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Resource: LCA13
Name: Citrix Keynote
Date: 05-03-2013
Speaker: Lars Kurth

Published in: Technology
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LCA13: Citrix Keynote

  1. 1. Mark Heath, VP Products XenServer, Citrix Lars Kurth, Xen.org Community Manager, Citrix
  2. 2. Citrix is a cloud computing company that enables mobile workstyles
  3. 3. Gartner, 2012
  4. 4. m o b i l e w o r k s t y l e s & c l o u d s e r v i c e s
  5. 5. • Efficient resource utilization • Faster provisioning • Workload mobility • Increased uptime • Enhanced security
  6. 6. Mark Moerdler, Bernstein 2012
  7. 7. • Less Space • Less Energy • Reduced Cost
  8. 8. • Even Less Space • Greener Datacentres • Even Less Cost
  9. 9. UBS Global Investment Research, August 7, 2012, James F. Hillier.
  10. 10. XenServer XenDesktop XenApp NetScaler CloudPlatform XenClient XenClientXT
  11. 11. QubesOS OracleVM HuaweiUVP OpenMirage ErlangOnXen
  12. 12. • GPLv2 with DCO • Governance similar to Linux Kernel • Citrix is the steward of Xen.org
  13. 13. • < 30% code developed by Citrix • > 10M open source users • Xen powers the largest clouds in production
  14. 14. HWCPUsMemoryI/O VM1 Guest OS Applications VM0 (or Dom0) Dom0 Kernel Drivers VM2 VMn Applications Guest OS Applications Guest OS Toolstack Scheduler MMU Timers InterruptsConfig back PV front
  15. 15. • Make optimum use of the ARM SOC • Supports 32 and 64 bit • Small code base • Avoid x86 “baggage”
  16. 16. ARM SOC GIC v2 GT 2 stage MMU I/O Device Tree describes … Template clash ARM Architecture Features for Virtualization Hypervisor mode: EL2 Kernel mode: EL1 User mode: EL0 HVC
  17. 17. ARM Architecture Features for VirtualizationARM SOC EL2 EL1 EL0 GIC v2 GT 2 stage MMU I/O Device Tree describes … Template clash HVC Xen Hypervisor Dom0 only Any Xen Guest VM (including Dom0) Kernel User Space
  18. 18. • No need for Emulation • No user space run-time on data path • One virtualization mode • Xen is easy to port
  19. 19. Stefano Stabellini, Linux Xen ARM Maintainer,2013
  20. 20. • Fully functional for ARM v7 & v8 • ARM v7: Versatile Express, Arndale & Samsung Chromebook • ARM v8: Fast Model • Will be released in Xen 4.3
  21. 21. m o b i l e w o r k s t y l e s & c l o u d s e r v i c e s
  22. 22. m o b i l e w o r k s t y l e s & c l o u d s e r v i c e s
  23. 23. • Good Technology Match • Platform First • Creates Opportunities … – for Citrix – for the Xen Community – for the Linaro Community

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