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LCA13: Citrix Keynote


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Resource: LCA13 …

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

Published in: Technology

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  • 1. Mark Heath, VP Products XenServer, Citrix Lars Kurth, Community Manager, Citrix
  • 2. Citrix is a cloud computing company that enables mobile workstyles
  • 3. Gartner, 2012
  • 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. • Efficient resource utilization • Faster provisioning • Workload mobility • Increased uptime • Enhanced security
  • 6. Mark Moerdler, Bernstein 2012
  • 7. • Less Space • Less Energy • Reduced Cost
  • 8. • Even Less Space • Greener Datacentres • Even Less Cost
  • 9. UBS Global Investment Research, August 7, 2012, James F. Hillier.
  • 10. XenServer XenDesktop XenApp NetScaler CloudPlatform XenClient XenClientXT
  • 11. QubesOS OracleVM HuaweiUVP OpenMirage ErlangOnXen
  • 12. • GPLv2 with DCO • Governance similar to Linux Kernel • Citrix is the steward of
  • 13. • < 30% code developed by Citrix • > 10M open source users • Xen powers the largest clouds in production
  • 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. • Make optimum use of the ARM SOC • Supports 32 and 64 bit • Small code base • Avoid x86 “baggage”
  • 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. 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. • No need for Emulation • No user space run-time on data path • One virtualization mode • Xen is easy to port
  • 19. Stefano Stabellini, Linux Xen ARM Maintainer,2013
  • 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. 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. 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. • Good Technology Match • Platform First • Creates Opportunities … – for Citrix – for the Xen Community – for the Linaro Community