Virtualization

1
Virtualization

• Five Worlds,
• One Red-hot Term

Tim Mangan Kahuna, TMurgent Technologies MVP for
Virtualization (SoftGrid)
2
Five Worlds of Virtualization

• Server Virtualization
• Desktop Virtualization
• Presentation Virtualization
• Virtual Desktop Infrastructure
• Application Virtualization

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Computing Architectures
WWW Internet
Personal Computer
VDI
Grid
Client/Server
Intranet
Work Group
File Server
Decentralization of Control
Thin Client-server Based Computing
Hosted Apps
Hosted Client
Departmental
Main-frame
Decentralization of Processing
4
Server Virtualization

• Encapsulate OS and present virtual hardware
• Run many OS on single hardware platform
• Consolidate underutilized servers
• VMware, Microsoft, Citrix (Xen)
• Architectural Differences

5
Virtual Machine Architectures
Source TMurgent Technologies
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Desktop Virtualization

• Encapsulate OS and present virtual hardware
• Run another OS on PC/Notebook
• VMware, Microsoft, Xen

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Presentation Virtualization

• Terminal Services
• Abstract UI for a virtual user session
• One box, one OS, many users
• Each have own desktop
• Seamless Windows
• Single Sign-on
• Microsoft, Citrix

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Terminal Server Architecture
User Sessions 1 - n
System-wide
Winlogon Wlnotify.dll
Per- Session Apps
Terminal Server Service
User Mode
Rdpwsx
Smss
Csrss
Win32k.sys Kernel
Mouse, Keyboard
Terminal Server Device Driver Termdd.sys
Kernel Mode
Display Differencing
Rdpwd.sys
Rdpdd.sys Display Driver
Tdtcp.sys
Display Resolution in software
Video
Source Logon Consultants
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Virtual Desktop Infrastructure

• Run Desktop OS in Server Room
• Server Virtualization or Blade Servers
• Broker to connect users to Virtual Desktop
• Centralize Management
• Image Dedicated to User or pool of Standard
  images
• Citrix, VMware, Watch-this-space

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VDI Central Hosting
VDI Broker
Image Store
Gateway
Virtual Hosts
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VDI Local Hosting
VDI Broker
Image Store
Gateway
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OS Streaming
Source RapidApp
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Application Virtualization

• Encapsulate Application
• Run conflicting applications
• Avoid apps corrupting OS
• Application Publishing
• Shortcuts / Icons
• File Type Associations
• Application Delivery
• Stream
• ESD
• Other
• Microsoft (SoftGrid), Citrix, Altiris/SVS/AppStrea
  m, VMware (Thinstall)

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Application Virtualization/Streaming
Source RapidApp
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Microsoft Application Virtualization

• 4.5 Beta now, RC0 June, RTM ?September?
• Dynamic Suite Composition (Bubble-bubble)
• Integrated MSI
• (Publish Virtualize w/o stream)
• Lightweight Server for Branch Office
• (Virtualize Stream w/o Publish)
• HTTP Streaming via SCCM
• Background Streaming / BITS Streaming
• ACL support within the virtual app