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CTU June 2011 - Enterprise Desktop Virtualisation with Microsoft and Citrix
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CTU June 2011 - Enterprise Desktop Virtualisation with Microsoft and Citrix


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Deploying an Enterprise Scalable Desktop Virtualisation Solution

Deploying an Enterprise Scalable Desktop Virtualisation Solution

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  • Centralised Virtual DesktopsBenefitsCentralize, simplify managementEnable thin-client computingSimplify device support and managementLower service desk costsProvide business continuityChallengesCostComplexityAddress only connected usersPerformance depended on network and storageDistributed Virtual DesktopsBenefitsUbiquitous computingCVD type management and enforcement Reduce initial investment Enable BYOCChallengesUnproven technologyPhysical device managementLower performance for type-2 hypervisorsRequires full PC
  • Machine type. Specifies where user desktops are hosted and how user personalization of desktops is accommodated. XenDesktop supports desktops hosted on both VMs and physical computers. If you decide to allow users to take ownership of a particular desktop and personalize it according to their needs, XenDesktop provides two different approaches to managing user customizations. You can choose to keep users' customizations, such as preferences or particular applications, separate from the master VM that the desktops are based on. This offers the advantage that you only need to work with a single VM to apply system-wide changes to thousands of users' desktops, such as applying Windows updates or adding a new application. Alternatively, if you prefer, you can choose to manage desktops individually, in the same way that you currently manage physical computers."Manually create virtual machines" - Pooled and dedicated catalog types are not available, only existing, physical and streamed will be in this pull down"Use XenDesktop to create desktops" if you want pooled or dedicated catalogs (all 5 types are available) PooledPooled machines provide desktops that are allocated to users on a per-session, first-come first-served basis. Users of pooled machines get a brand new desktop every time they log on. Pooled machines are direct copies of the master VM, although profile management can be used to apply users' personal settings to their desktops and applications. Any changes to pooled machines made by users with local administrator permissions for their desktops are stored for the duration of the session. However, these customizations are discarded when users log off. Maintaining a single master VM in the data center dramatically reduces update and upgrade maintenance efforts, and can reduce your storage costs by up to 90 percent.Best for task workers who require standardized desktops, such as call center operators, retail workers, or students and faculty in educational institutions . Best when you want to minimize desktop management and storage costs by providing a locked down standardized environment for your users.Reduce support, maintenance, and upgrade costs through the use of homogeneous workspaces and hardware.Optimize hardware usage by providing only the number of desktops that are required at any one time rather than assigning each user a specific desktop.Maintain control over desktops by limiting user permissions and preventing customization DedicatedDedicated machines provide desktops that are permanently assigned to individual users. Desktops can be assigned manually or automatically assigned to the first user to connect to them. Whenever users request a desktop, they are always connected to the same one. As a result, users can personalize the desktop to suit their needs. Desktop customizations are stored separately and overlaid on copies of the master VM to recreate users' desktops whenever a dedicated machine is started. Dedicated machines enable you to make significant savings on desktop management and storage costs by maintaining a single master VM in the data center for global updates such as operating system updates and upgrades, while users still get individual desktops that they can personalize.Best for task or knowledge workers who require individual desktops which they can take ownership of and personalize. Mobile workers who want to access the same desktop from a variety of endpoint devices over different networks and do not need to store data on their desktops Best when you want to reduce desktop management and storage costs while still providing your users with a personalized desktop experience .Reduce support and maintenance costs by standardizing certain aspects of users' desktops through the use of a common template .Support a wide range of different user requirements with the same common template .Deliver users' desktops to any endpoint device regardless of hardware capability .Minimize the time needed to provide additional desktops for new users ExistingThe existing machine type enables you to use XenDesktop to manage user desktops that you have already migrated to VMs in the data center. As with traditional local desktops, changes and updates are permanent and must be managed on an individual basis or collectively using third-party electronic software distribution (ESD) tools. Managing your existing VM-based desktops through XenDesktop affords you greater control over their power states; for example, you can configure XenDesktop to shut down VMs when users log off to minimize unnecessary power consumption in the data center.Best for personalized desktops on which they can store data .Want a high definition experience that matches their local desktops with the better reliability and higher availability offered by data center infrastructure.Best when you use XenDesktop to manage existing desktops hosted on VMs in the data center.Reduce support costs by centralizing user desktops in the data center without moving to a virtual desktop solution PhysicalThe physical machine type enables you to use XenDesktop to manage user desktops hosted on dedicated blade servers, or a mixture of blade servers and VMs, in the data center. As with traditional local desktops, changes and updates are permanent and must be managed on an individual basis or collectively using third-party ESD tools. Using blade servers enables you to support small numbers of users who have particularly demanding performance requirements. This approach offers all the benefits of centralization, but ensures dedicated processing power for each user by hosting only one desktop per server.Best for users who are technical workers or power users and use specialist graphics applications with demanding hardware requirements, such as computer-aided design and manufacturing (CAD/CAM) tools and geographic information system (GIS) applications .Have high performance level expectations for line of business applications .Require dedicated hardware Need personalized desktops on which they can store data .Best when you need to support users of applications that require dedicated specialist hardware .Leverage powerful server hardware instead of purchasing expensive high end PCs Reduce support and maintenance costs by centralizing complicated specialist systems in the data center StreamedThe streamed machine type enables you to provide desktops to repurposed PCs and thin clients that have been configured to load the operating system over the network from Provisioning Services. Target devices are managed in Provisioning Services as a device collection and the desktops are delivered from a Provisioning Services vDisk imaged from a master target device. Using Provisioning Services to deliver desktops enables you to leverage the processing power of existing local hardware, while realizing all the benefits of centralized desktop management. This approach offers an inexpensive entry point to desktop virtualization using existing local resources and reducing to a minimum the need for additional processing and storage capacity in the data center.Best fortask or knowledge workers who require either standardized desktops or individual desktops which they can take ownership of and personalize .Have existing PCs or thin clients that may be reaching the end of their lifecycle Do not need to access their desktops from outside the corporate network .Do not need to store data on their desktops Best when you want to deliver desktops to device collections containing mixtures of different types of PCs and thin clients Maximize data security by delivering desktops to diskless target devices Extend the lifecycle of existing local hardware while reducing support and maintenance costs Minimize the use of server resources
  • In today’s world, you might have a datacenter in the UK, workers in NY, and when they have an issue – the help desk might be in Manila! XenDesktop is the only solution that addresses the needs of the increasing number of organizations that are globally distributed in this way.
  • Two simple SKUs for Microsoft VDISimple device based annual subscription modelServer Provisioning & Power ManagementHA & Disaster Recovery (VPX Load Balancing)Advanced Security & Access ControlService Level Monitoring & ReportingBranch Office Delivery
  • Transcript

    • 1. Community {Technology} Update 2011
      ITP01: Enterprise Desktop Virtualisation with Microsoft and Citrix
      Deploying an Enterprise Scalable Desktop Virtualisation solution
      25 June 2011
      Daniel Mar
      Technical Services Manager – TechniCom IT Solutions
    • 2. INTRODUCTION – Market Landscape
    • 3. Citrix Enterprise Solutions – Built on Microsoft
      Essentials for Hyper-V
      Citrix EnterpriseSolutions
      Branch Repeater
      Microsoft Platforms
    • 4. Microsoft Virtualization with Citrix
      XenApp/XenDesktop Profile Management
      User State
      Folder Redirection
      Offline files
      Citrix Essentials for Hyper-V
      Citrix XenApp6.0
      Citrix XenApp6.0
      Server Virtualization
      Session Virtualization
      Desktop Virtualization
      Application Virtualization
      Citrix XenDesktop 5.0
      400-500 users per server
      Session Based Desktops
      60-80 VMs per server
      + Shared Cache
      1 user per Blade PC
      Blade PC
      Blade PC
      Physical Desktops
    • 6. VDI Technical Architecture
      XenDesktop Desktop Controller
      Domain Controller
      Data Store
      Login Page
      User Settings
      find desktop
      sign & launch
      Power shell
      Windows Server R2 2008
      System Center
      Virtual Machine Manager
      Dynamic Image
      Static Image
    • 7. A
      Citrix Provisioning Services
      Setup wizard for XenDesktop 5
      Hosted-Shared Desktops or Apps (XenApp)
      Streamed Desktop
      Desktop Virtual Machine
      Provisioning Services
      Network Storage
    • 8. Benefits of using Provisioning Services
      VDI with Provisioning
      • Single OS image to store & maintain
      • 9. Apps not installed, stored as single image, delivered on demand and maintained centrally
      • 10. Managed Profiles
      VDI without Provisioning
      • Single image for every desktop
      • 11. Desktops managed individually
      • 12. Same problems, in a new location
      Shared OS and Apps
      One VM image for every user
      Network Storage
      Network Storage
      Xen, Hyper-V, VM, Blades
    • 13. Virtualize
      Create a virtual workload image: OS, Apps and Config
      Store the virtual image on a network storage device
      Stream the workload on-demand to target systems
      Three Steps to a Single Golden Image
    • 14. A
      Target Device 1
      Target Device 2
      Provisioning Services
      Network Storage
      Target Device 3
      A single golden image aka vdiskis streamed to many target devices.
      On reboot, a “clean” image is streamed down to target devices.
      Any changes are not written back to the base golden image [vdisk].
    • 15. A
      Target Device
      Provisioning Services
      A single image is streamed on boot to a target device.
      The user installs software or updates which are written back to the golden image [vDisk] in real-time.
      The target device is shut down.
      On next boot, settings are persisted.
    • 16. Citrix XenDesktop MACHINE TYPES
      Direct copies of the master VM. Changes are not persisted. (Random / Static)
      Permanently assigned to individual users. Changes are persisted.
      VM’s that were previously created.
      Desktops hosted on dedicated blade servers
      Golden OS Image[vDisk] imaged from a master target device with Citrix Provisioning Services
    • 17. Simple, Powerful Virtual Desktop Management
      Designed for Specific IT Roles
      Desktop Studio
      Designed for IT Admins
      Designed for Users
      Desktop Director
      Designed for Helpdesk
    • 18. IT’s TIME FOR A DEMO
    • 19. Citrix Xendesktop licensing Models
      Best for anonymous access or occasional use
      Best when people need dedicated desktop access
      Best when people share desktops or devices
      • One user
      • 20. Unlimited devices
      • 21. Unlimited connections to virtual desktops & apps
      • 22. Unlimited users
      • 23. One device
      • 24. Unlimited connections to virtual desktops & apps
      • 25. Any user
      • 26. Any device
      • 27. One connection to a virtual desktop or unlimited apps
    • Microsoft Licensing for VDI
      Windows VDA is required for ALL VDI implementations that use a non-SA device to access a Windows VDI desktop, irrespective of the VDI infrastructure vendor.
      Slide 16
    • 28. VDI Suite ComponentsSimple Licensing for Microsoft Infrastructure and Management
      Desktop Delivery
      VDI Premium Suite
      VDI Standard Suite
      Application Delivery
      Virtualization Platform
      Remoting Technology for Delivery of VMs
      Remoting Technology for Delivery of VMs and Sessions
      System Center for Management of VDI Hosts
    • 29. CITRIX and MICROSOFT Licensing FOR ENTERPRISE Desktop Virtualisation Deployments
      Slide 18
      Microsoft VDI Suite
      XenDesktop Licenses
      Licensing for Server and Management Infrastructure
      Licensing for Windows client OS included in SA
      Editions Available
      PC under SA
      Windows VDA
      Thin Client
      Windows VDA
      Models Available
      Per User
      Per Device
      Per Connection
      Tablet/Mobile Device
      Licensing the Virtual Infrastructure
      Windows Server OS Standard/Enterprise/Datacenter
      Server Management Suite Enterprise/Datacenter
    • 30. End User Devices
      What device do I use to connect to my Virtual Desktop?
      Existing PC
      Repurposed PC
      Thin Client
      Mobile Device
      Basically anything with a browser and the Citrix ICA client
    • 31. QUESTIONS?
      Daniel Mar
      Technical Services Manager