Server Virtualization - Smashing Success! Desktop Virtualization - Not So Much. Why?

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Slides from June 7, 2011 presentation by Ron Oglesby, presented by ILTA, and sponsored by Unidesk and Pano Logic on why server virtualization was so successful and what has been holding back desktop …

Slides from June 7, 2011 presentation by Ron Oglesby, presented by ILTA, and sponsored by Unidesk and Pano Logic on why server virtualization was so successful and what has been holding back desktop virtualization. Presentation also features Tom Crowe of Wyche.

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  • Hello and thank you for your interest learning more about how pano logic is radically changing how businesses manage their desktop computing.
  • The Secret sauce. Stretching the I/O bus. The applications and peripherals are basically faked as being local to virtual server you have installed our solution on. Hence, no endpoint drivers to install, or firmware updates to deploy at the end point. If your applications and peripherals are Windows native, they just work 99% of the time.
  • We built the solution to support VMware with the long term objective of being agnostic to the Hypervisor in the data center. We recently introduced support for Citrix XenDesktop 4 & 5, as well as Microsoft’s HypervV. We have saved 100’s of organizations thousands of dollars in License fees by deploying the our own broker that is inclusive of the solution. However, we can also hand off the broker functionality to products like VMware View. The goal is to allow the customer freedom of choice on the back end, we would like to be the end point regardless of your back end virtual infrastructure.


  • 1. Webinar: Server Virtualization: SuccessVDI: Not So Much…Why?
    Ron OglesbyVMware vExpert
    Citrix CTP
    Microsoft MVPChief Solution Architect
    Tom CroweInformation
    Dave HurlburtTerritory
  • 2. Server Virtualization: SuccessVDI: Not So Much…Why?
  • 3. So why has server virtualizationbeen so successful?
  • 4. Server virtualization is a clear win!
  • 5. Server virtualization is easy!
    CAPEX savings is EASY to show
    Savings are HUGE!
    Already in the datacenter – it’s a form factor change!
    Standardization is a GOOD THING!
    OPEX is simply a nice byproduct
    Let’s face it – a P2V is a simple migration process
  • 6. So why is VDI ‘on hold’ in so many organizations?
  • 7. VDI is not so easy!
    Host Servers
    Image Management
    Disk IO issues
    Loss of Control
  • 8. VDI ROI isn’t as clear
    CAPEX is tough to show
    OPEX is pretty much the only savings available
    Desktops have to be “moved”
    Users don’t like “standardization”
    Let’s face it, there isn’t an “easy” migration process to virtual desktops
    A number of “secondary” products are needed
  • 9. So what are the key issues inVDI projects?
  • 10. It’s really not about the brokers anymore
    Fast protocol
    Non-persistent desktop provisioning & storage reduction
    Composer/Linked Clones
    Basic profile mgmt.
    RTO asset acquisition
    Fast protocol
    Non-persistent desktop provisioning & storage reduction
    Provisioning Server
    Basic profile mgmt.
    Sepago asset acquisition
  • 11. It’s about the tradeoffs (pick 2, or maybe 1)
    VDI SuccessTriangle
  • 12. Key issues in more detail
    Single image management comes with a price
    Personalization means loss of single image management
    Personalized desktops increase storage costs(footprint)
    VDI itself has higher IO requirements than servers!
    All of this on top of user acceptance issues
    No good offline tools today
    Brokers don’t always scale to the thousands very well
  • 13. Do you have a desktopvirtualization strategy?
  • 14. Start with your current desktop strategy
  • 15. The Personalization Challenge
    What you see:
    What users see:
  • 16. The Storage Challenge
    Capacity footprint can be reduced via numerous technologies
    IO… not so much
    Desktop IOPS rules of thumb?
    Low: 3-4 Med: 6-12 Heavy:16-20
    What is all this RAID penalty stuff?
    Must design to handle the IO load
  • 17. The Management Challenge
    Generally there are big trade-offs
    Aim for single image management and you lose “persistent” desktops that sustain user persona
    Use persistent desktops and you lose single image management (and move right back to traditional,higher OpEx desktop management)
    Single image management reduces storage footprint(linked clones, PVS) but at the cost of personalization
    Do existing management tools fit the VDI world or your use case?
  • 18. So what should I be on thelook out for?
  • 19. Common mistakes in VDI
    Designing the hardware first
    Too many variables to choose hardware out of the gate
    Just duplicating server virtualization hardware won’t work
    Believing everything the vendors say
    “The vendor said I could easily virtualize all of my apps.”
    “The vendor said I could get 120 desktops per host.”
    Not configuring the disk subsystem properly
    Forgetting about “personalization” of the desktop
  • 20. Key “check boxes” for your design
    Define what you are delivering and for whom
    Ensure your design covers the following:
    Base OS delivery and updating
    Application delivery and updating (even the complex apps)
    Personalization (including user-installed apps)
    Broker configuration and requirements
    Non-persistent vs. persistent desktop use cases
    Storage configuration (capacity footprint AND IO load)
    WAN, LAN, and offline use cases
  • 21. Hardware recommendations
    Smaller servers with more cores
    Good storage controllers
    More memory
    NEW: solid state drive (SSD)
    Hybrid arrays combineSSD and SAS in single array with intelligent data placement to solve IOPS and capacity problems
    NEW:zero clients
    Less energy & fewer breakable parts vs. thin clients
    Build redundancy through quantity
  • 22. Software recommendations
    NEW: desktop layering solutions
    Eliminate “pick 1 or 2” tradeoffs
    Combine single image patching, easy app delivery, full user personalization, and storage savings in one solution
  • 23. VDI @ Wyche
    Tom Crowe, IT Manager
  • 24. Wyche Background
    About Wyche
    • 2 Offices in South Carolina
    • 25. 32 Attorneys
    • 26. 32 Staff
    • 27. Transactional and Litigation Practices
    Wyche IT
    • IT Manager(me)
    • 28. 1 Help Desk
    • 29. 1 Litigation Support
  • VDI Motivation
    • Looming PC lease return deadline
    • 30. Decrease rollout cycle for new machines
    • 31. New users
    • 32. New/Updated software
    • 33. Potentially move away from 3 year refresh cycle
    • 34. Replace ancient remote access solution
    • 35. Green initiative within firm
  • VDI Concerns
    In mid 2009, still new in the market
    Total cost of ownership
    How to handle mobile attorneys
    Desktop performance
    All “eggs” in a single basket
  • 36. Technology
    Shared with virtual servers
    Cisco 3750G switches
    HP Lefthand P4500 iSCSI SAN
    vSphere 4 Advanced
    Pano Logic Zero-Client usingPano Broker
    No OS on the hardware
    Unidesk VDI Provisioning and Management
    OS and App deployment and User personalization
  • 37. Technology
    HP Proliant DL360 G6
    2 x Xeon E5504 @ 2 Ghz (8 cores total)
    36 GB memory
    2 x 72 GB SAS for boot and logging
    6 x 1 Gb NIC ports
    HP Lefthand P4500 SAN
    2 nodes
    12 x 450 GB SAS per node
    2 x 1 GB NICs
    Desktop VMs
    Windows XP SP3
    1 GB memory
    30 GB “hard drive” thin
    8 GB user data
    Consolidation of ~25 desktops per vSphere host
  • 38. Zero-client with no OS on the hardware
    No local desktop support concerns
    Small desktop footprint: 3.5” x 3.5” x 2.0”
    Low power usage: 6.5W max, < 0.2W sleep
    Pano Broker
    Included with Pano device purchase
    Simple management interface
    Integrates seamlessly with vSphere
    Pano Remote Access
    Windows 2008 Terminal Services Gateway
    Pano USB dongle is simple to use
  • 39. OS, Application, and User State virtualization
    Desktop is composed at boot with all required apps and OS layers
    Persistence of user persona regardless of desktop
    Single-image management for OS and Apps, reduced SAN storage
    Security updates applied to primary OS or App layer pushed out immediately or on schedule; guarantees all updates are applied
  • 40. Unidesk
    Application layers make it easy to deliver any app
    Packaging requires only a normal installation (Setup), then assign the layer to 1 or more desktops
  • 41. Testing and Rollout
    Pilot group was pivotal - ~2 months
    Rollout to groups, do not convert an entire practice area at a time. ~ 1 month to deliver to all users
    Monitor host performance closely
    performance with 25 VMs is different than 5.
    Be aware of specific apps and how they impact a host.
    Anti-virus adds 3-5% to idle CPU of VM, x25 VMs can be a problem.
  • 42. VDI Reality
    … 18 months later
    User feedback is important
    Easy to improve performance for users
    All devices are now more tightly connected
    Visibility into the user experience is difficult without additional tools
    Peripherals are difficult
    Saved money over traditional desktops? Not yet but getting there
    Would I do it again? YES!
  • 43. Purpose Built for VDI
    Dave Hurlburt, Territory Manager
    June 7, 2011
  • 44. Pano Logic Profile
    Founded in August 2006
    North America: Redwood City, CA
    EMEA: Munich, Germany
    Foundation Capital
    Goldman Sachs
    Mayfield Fund
    FY2010/11 – Doubled Revenue
    Over 250 Channel Partners
    1000+ Customers
    75,000 + Zero Client Deployed
    Fujitsu Zero Client Monitor, Powered by Pano
    eWeek’s “Analyst Choice”, January 2011
  • 45. Evolution of Desktop Computing
    Management Complexity
    Operating System
    Terminal Services
    Operating System
    Operating System
    Operating System
    Operating System
    Pano Zero Client
    Operating System
    Copyright © 2011 Pano Logic, Inc.
  • 46. The Pano System
    Three Components
    Pano zero client
    Pano Direct Service
    Pano Manager
    The Pano System is a Cloud-Ready Architecture
    Pano Remote
    Pano Zero Client
    2. Pano Software
    1. Pano Zero Client
    No Processor
    No OS
    No Drivers
    No Security Holes
    No Storage
    No Firmware
    No Moving Parts
    Purpose-Built for VDI
    Device Management
    User Provisioning
    Hardware Upgrades
    Innovative zero protocol
  • 47. Pano System Explained:System Bus Extension
    Copyright © 2011 Pano Logic, Inc.
    Simpler Driver Model – No client side drivers; Broad USB support: touch-screens, webcams, printers, scanners
    100% of Software Centralized
    System Bus
    System Bus
    I/O at Endpoint
    All software including drivers is centralized, leaving only I/O at the Endpoint. System Bus stretched over the Network.
    Radically low-cost, low-power, small footprint architecture.
  • 48. Freedom & Independence
    Supporting 99% of installed hypervisor platforms and their management systems with the same device
  • 49. Pano Products: Pano Remote – Anywhere Access
    What it is…
    Provides a windowed or full-screen connection to your Pano virtual desktop
    Pano Gateway plug-in works with Windows Server Remote Desktop Servicesto secure connections across your firewalls
    How it works…
    USB key preinstalled with software – runs without installing anything on host
    Does not require VPN hardware or software, uses SSL encryption for security
    Nothing is installed on the local machine – everything runs from the supplied USB key
    Copyright © 2011 Pano Logic, Inc.
  • 50. Thank You!
    To contact the speakers directly:
    • Ron Oglesby, Unidesk,, Twitter:@RonOglesby
    • 51. Visit for demos, product info and more
    • 52. Tom Crowe, Wyche,
    • 53. Dave Hurlburt, Pano Logic,
    • 54. Visit for more product info, etc.