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XenServer 5.0 - How Citrix
Leverages Open Source Xen

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                                                    Citrix Systems Japan



                                                                       1
© 2008 Citrix Systems, Inc. — All rights reserved
Comparing Xen Open Source to XenServer
• Xen hypervisor is the core virtualization engine for both
  the open source and XenServer products
• Is supports paravirtualization and hardware virtualization
  assistance. Both products offer stable, tested
  components
• Differences between Xen open source and XenServer
  include:
   • Xen open source code includes unstable or untested
    components
  • Citrix XenServer products are rigorously tested and include
    polished features for heavy production use


                                                                    2
                © 2008 Citrix Systems, Inc. — All rights reserved
Comparing Xen Platforms
XenServer                                                                Xen Open Source
• Citrix XenServer Enterprise Edition                                    • Xen supports the following
  4.1 supports the 64-bit hypervisor                                       hypervisor versions:
  version                                                                   • 32-bit
                                                                            • 32-bit-PAE
                                                                            • 64-bit
• Citrix Xe
                                                                         • Xen has the following theoretical
• nServer supports the following CPU                                       memory and CPU limits:
  and memory limits:                                                        • Terabytes of memory
   • 32 CPU cores                                                           • 128 CPU cores
   • 128 GB RAM
                                                                         • Xen requires Linux experience to
• 75% of the code is proprietary which                                     install. Installation usually takes one
  makes XenServer easy to use.                                             day to install
  Installation usually takes less than 10
  minutes



                                                                                                                     3
                     © 2008 Citrix Systems, Inc. — All rights reserved
vs. XenServer

                          Citrix                                      Quality Assurance
Xen Community
                                                                       and Enterprise
                                                                        Level Testing

                                                                           Manual
                                                                          Regression


                                                                      Automated
                                                                      Regression


                                                                      Optimization



                                                                      Alpha/Beta Testing
 stable, tested                 stable, tested
                                proprietary
 not tested
                                software
 unstable




                                                                      Fixes
                     Fixes


                                                                                           4
                  © 2008 Citrix Systems, Inc. — All rights reserved
XenServer 5
• Open, flexible platform
     • Supports all Tier 1 enterprise apps via Oracle and Microsoft Virtualization Validation Programs
     • Supports virtually every Windows and Linux guest OS and storage architecture/device - DAS,
        NAS, SAN (iSCSI and FC)

• Business Continuity
     • Enterprise-class Automated High Availability & Disaster Recovery, Fault Tolerant with Marathon
       everRUN
     • XenMotion relocates live workloads to new servers with zero downtime
     • Bulletproof, scalable virtualization architecture

• Workload Visibility
     • XenCenter console provides visibility on every server and workload
     • Unique virtual machine tagging and searching capability
     • Persistent and historical monitoring tracks workload performance

• Virtual Storage Infrastructure
     • Expanded Storage Array support for native snapshotting, cloning, replication, backup
     • Application Storage Resource Management – automates connecting and configuring storage



                                                                                                         5
                     © 2008 Citrix Systems, Inc. — All rights reserved
XenServer 5
• Dynamic Workload Provisioning
     • Dynamically deliver workloads to any server
     • Stream workloads to both physical or virtual servers
     • Boot ‘000s of VMs from a single VHD – huge storage savings


• High Performance
     • Thin, fast 64-bit Xen hypervisor provides near bare-metal performance
     • Windows and Linux support in both 64-bit and 32-bit modes
     • Optimized for XenApp workload consolidation


• Easy Setup and Admin
         Fast, easy installation in less than 10 minutes
     •
         Intuitive XenCenter graphical interface
     •
         Available built-in on HP and Dell servers
     •
         Easy configuration and maintenance means lower total cost
     •




                                                                               6
                       © 2008 Citrix Systems, Inc. — All rights reserved
XenServer 5 Core Scenarios

 • Server consolidation
   • Simplest, fastest implementation from pilot to production
 • Mixed environments
   • One hypervisor for both Windows and Linux
 • XenDesktop desktop virtualization
   • Integrated solution with storage integration
 • XenApp consolidation
   • Tuned for highest performance



                                                                   7
               © 2008 Citrix Systems, Inc. — All rights reserved
8
© 2008 Citrix Systems, Inc. — All rights reserved

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XS Japan 2008 Citrix English

  • 1. XenServer 5.0 - How Citrix Leverages Open Source Xen Click to edit Master subtitle style Citrix Systems Japan 1 © 2008 Citrix Systems, Inc. — All rights reserved
  • 2. Comparing Xen Open Source to XenServer • Xen hypervisor is the core virtualization engine for both the open source and XenServer products • Is supports paravirtualization and hardware virtualization assistance. Both products offer stable, tested components • Differences between Xen open source and XenServer include: • Xen open source code includes unstable or untested components • Citrix XenServer products are rigorously tested and include polished features for heavy production use 2 © 2008 Citrix Systems, Inc. — All rights reserved
  • 3. Comparing Xen Platforms XenServer Xen Open Source • Citrix XenServer Enterprise Edition • Xen supports the following 4.1 supports the 64-bit hypervisor hypervisor versions: version • 32-bit • 32-bit-PAE • 64-bit • Citrix Xe • Xen has the following theoretical • nServer supports the following CPU memory and CPU limits: and memory limits: • Terabytes of memory • 32 CPU cores • 128 CPU cores • 128 GB RAM • Xen requires Linux experience to • 75% of the code is proprietary which install. Installation usually takes one makes XenServer easy to use. day to install Installation usually takes less than 10 minutes 3 © 2008 Citrix Systems, Inc. — All rights reserved
  • 4. vs. XenServer Citrix Quality Assurance Xen Community and Enterprise Level Testing Manual Regression Automated Regression Optimization Alpha/Beta Testing stable, tested stable, tested proprietary not tested software unstable Fixes Fixes 4 © 2008 Citrix Systems, Inc. — All rights reserved
  • 5. XenServer 5 • Open, flexible platform • Supports all Tier 1 enterprise apps via Oracle and Microsoft Virtualization Validation Programs • Supports virtually every Windows and Linux guest OS and storage architecture/device - DAS, NAS, SAN (iSCSI and FC) • Business Continuity • Enterprise-class Automated High Availability & Disaster Recovery, Fault Tolerant with Marathon everRUN • XenMotion relocates live workloads to new servers with zero downtime • Bulletproof, scalable virtualization architecture • Workload Visibility • XenCenter console provides visibility on every server and workload • Unique virtual machine tagging and searching capability • Persistent and historical monitoring tracks workload performance • Virtual Storage Infrastructure • Expanded Storage Array support for native snapshotting, cloning, replication, backup • Application Storage Resource Management – automates connecting and configuring storage 5 © 2008 Citrix Systems, Inc. — All rights reserved
  • 6. XenServer 5 • Dynamic Workload Provisioning • Dynamically deliver workloads to any server • Stream workloads to both physical or virtual servers • Boot ‘000s of VMs from a single VHD – huge storage savings • High Performance • Thin, fast 64-bit Xen hypervisor provides near bare-metal performance • Windows and Linux support in both 64-bit and 32-bit modes • Optimized for XenApp workload consolidation • Easy Setup and Admin Fast, easy installation in less than 10 minutes • Intuitive XenCenter graphical interface • Available built-in on HP and Dell servers • Easy configuration and maintenance means lower total cost • 6 © 2008 Citrix Systems, Inc. — All rights reserved
  • 7. XenServer 5 Core Scenarios • Server consolidation • Simplest, fastest implementation from pilot to production • Mixed environments • One hypervisor for both Windows and Linux • XenDesktop desktop virtualization • Integrated solution with storage integration • XenApp consolidation • Tuned for highest performance 7 © 2008 Citrix Systems, Inc. — All rights reserved
  • 8. 8 © 2008 Citrix Systems, Inc. — All rights reserved