otey understanding virtualization
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Understanding the Different Types
of Virtualization
Michael Otey
Technical DirectorWindows IT Pro Magazine
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What this Session Covers
Virtualization Basics
Types of Virtualization
Desktop Virtualization Server Virtualization
Virtual Desktop Infrastructure (VDI)
Application Virtualization
FAQs
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Virtualization Basics
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Types of VirtualizationA complete set of virtualization products, from the data center to the desktop
Server
Virtualization
ApplicationVirtualization
DesktopVirtualization
PresentationVirtualization
All assets both virtual and physical managed from a single platform
Management
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Virtualization Types and Uses
Desktop Development
Testing
Training Server
Server consolidation
Disaster recovery
High availability Testing and
deployment
VDI
Centralized desktopmanagement
Standardization
Application
Applicationdeployment
Resolving applicationincompatibility
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Hardware Virtualization Evolution
Host OS
Virtualization
Guest 1 Guest 2
Virtualization
Guest 1 Guest 2
Host OS
Virtualization
Guest 1 Guest 2
Runtime
Virtualization
Hypervisor
Virtualization
Hosted
Virtualization
JVM & CLR Virtual PC & VirtualServer
ESX vSphere& Hyper-V
Hardware Hardware Hardware
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Virtual Machine Host Environment
System Hardware
Virtualization
Virtual Machine
Guest OS(Windows 2008)
Applications
Virtual Machine Virtual Machine
Guest OS(Windows 2003)
Guest OS(Linux)
Applications Applications
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Virtual Machine Guest Environment
Looking inside the VMs
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VM Hard Disk Options
Virtual hard disks
Fixed
Dynamic Pass-through
Virtual hard disk features
Snapshots
Undo disks
Differencing disks
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VM Networking Options
VirtualNetworking
None
Internal
Private
External (Bridged)
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VMware Tools / Integration Services
Installed after the guest OS
Typically from installed ISO image
Improves VM performance Enhanced video, network, memory drivers
Improved mouse support
Drag-and-drop with the host Time synchronization
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64-bit and Virtualization
64-bit host support
Windows Server SE
and EE x64 x64 eliminates
physical memoryrestrictions
64-bit Virtual MachineManager
Larger kernel addressspace
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DESKTOP VIRTUALIZATION
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Desktop Virtualization Scenarios
Development
Testing
Training Help desk
Legacy application support
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Desktop Virtualization
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Desktop Virtualization Products
Desktop VMware Workstation 7 & Player 3.0
Virtual PC 2007 & Windows Virtual PC &
Windows 7 XP Mode Others
Parallels Desktop 4 for Windows
Oracle VirtualBox 4
Mac Parallels Desktop 6 for Mac
VMware Fusion 3
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VMware Workstation 7
First VM product 64-bit host &
guests 8-way virtual SMP
32 GB RAM perVM Multiple snapshots USB 1.1 & Audio
support
Unity DirectX 9.0 & Aero Capture & replay $189
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VMware Player 3.0
Free
Can both play and create VMs
Same broad host and guest support 8 vCPUs
Unity
Not the same advanced features ofWorkstation
No teams, snapshots, capture and replay
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Virtual PC 2007 Free 64-bit host support Hardware virtualization
support Intel-VT & AMD-V
Vista support Host and guest
No official Linux support Multiple monitor support
Audio no USB
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Windows Virtual PC & Windows 7 XP
Mode Windows Virtual PC
Free Successor to Virtual PC 2007
Only runs on Windows 7 Designed for legacy XP support
No official Linux support
USB & Aero support
Windows 7 XP Mode Seamlessly run XP application on the Windows 7
desktop Red window border
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MED-V
Microsoft Enterprise Desktop Virtualization
SA customers only
Runs on Virtual PC 2007 Runs on multiple Windows desktop OSs
Seamlessly run application on theWindows desktop
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Other Desktop Virtualization Products
Oracle VirtualBox 4.04
Free
Runs on Windows, Linux and MAC 32 vCPUs, 16 GB RAM per VM
USB, High Def Audio
Parallels Desktop 4 for Windows
$79.99
VMs with 8 vCPUs & 8 GB RAM per VM
USB support
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Mac Desktop Virtualization
Parallels
$49.95
Desktop integration and Aero support USB support
VMware Fusion
$79
Fusion and Aero support
USB support
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Desktop Virtualization
(Virtual PC, Workstation)
Server Virtualization
(vSphere, Hyper-V)
Designed for running one or twodesktop systems
Designed for running multiple serversystems
Runs on the desktop Runs on the hardware
Windows management UI Remote management console
Local virtual disks only SAN support
No management API Management API
VM supports audio/USB No VM audio/USB support
Differences of Desktop and Server
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SERVER VIRTUALIZATION
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Server Virtualization Architecture
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Server Virtualization Scenarios
Server consolidation
Disaster recovery
High availability Testing and deployment
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Server Virtualization Products
Server Products
VMware ESX vSphere
Microsoft Hyper-V Others
Citrix XenServer
Parallel's Virtuozzo and Bare Metal Server
Legacy
VMware Virtual Server
Microsoft Virtual Server 2005 R2
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VMware vSphere 4.1
Leader in enterprise virtualization
Bare metal installation
Best performance & features
Expensive
Part of vSphere Standard, Advanced, Enterprise, Enterprise Plus
~$1,300 - $4,400 per processor vSphere Hyperviser (ESXi)
Free
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vSphere Features-at-a-Glace
CPU virtualization 4-way Virtual SMP
Direct SAN LUN mapping, boot from SAN
Up to 255GB VM RAM Can cluster VMs across physical hosts
Up to 32 nodes
Centralized management using VirtualCenter
VMotion and Storage VMotion High Availability
Distributed Resource Scheduler
Fault Tolerance
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ESX 4 and ESXi Maximums
64 processor cores
1TB of host RAM
256 VMs 8-way Virtual SMP (Enterprise Plus)
4-way virtual SMP for the other editions
4 vNICs per VM
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ESX Server Overview
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Microsoft Hyper-V
Windows Server 2008 / R2 Hyper-V Role Hyper-V Server 2008 / R2 (Free) Features-at-a-glance
4-way Virtual SMP
Up to 64GB RAM per VM 64 Logical Processors (8 sockets) 1 TB of Host RAM Live Migration & Quick Migration
Windows Server 2008 R2 Failover Clustering Live backups using Volume Shadow Copy Service
Direct SAN LUN mapping Offline VHD tools Hot-Add VHDs No USB in guests
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Microsoft Hyper-V
Windows Server 2008 R2 Hyper-V Role Hyper-V Server 2008 R2 (Free)
Features-at-a-glance 4-way Virtual SMP Up to 64GB RAM per VM Live Migration & Quick Migration
Windows Server 2008 R2 Failover Clustering Live backups using Volume Shadow Copy
Services Direct SAN LUN mapping Offline VHD tools No USB in guests
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Hyper-V Architecture
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Hypervisor Summary
Hyper-V
Less expensive
Broader hardware
support Very good performance
Smaller hypervisor /bigger platform
Cost effective for smallerbusiness
ESX Server
No reliance on Windows
Broader guest support
The best performance
Bigger hypervisor /smaller platform
Better scalability for
larger businesses
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VMware Virtual Server
Features 64-bit host & guest support
Virtual SMP support
USB support VM Snapshots
Import MS VM images
Windows and Web management
Central management with vSphere
Limitations Hosted virtualization
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Virtual Server 2005 R2
Features 64-bit host support Web-based management Support for some Linux distributions iSCSI Support Support for Failover Clustering
Limitations Hosted virtualization
No 64-bit guest support No guest audio No guest USB
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Other Virtualization platforms
Citrix XenServer Free and paid versions ($50000 Platinum edition) Xen roots - Windows and Linux support vCPUs (32 Linux, 8 Windows )
32 GB RAM per VM Parallel's Virtuozzo Containers Virtualizes the OS rather than the hardware Linux roots, web hosting environments High performance, low overhead
Parallels Server 4 Bare Metal $499 Small Business Edition, $999 Standard Hypervisor-based 12 vCPUs 64 GB or RAM per VM
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Windows Server Licensing and
Server Virtualization
Applies to any virtualization product
Windows Server 2003 R2 &Windows
Server 2008 R2 VM licensing changes
WS08 Standard Edition base OS & 1additional VM
Enterprise Edition: base OS and 4 additionalVMs
Windows Server Datacenter Edition: unlimitedVMs
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VIRTUAL DESKTOP
INFRASTRUCTURE (VDI)
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Driving Forces of Desktop
Management
Standardization Easier desktop training Easier desktop support
Security Appropriate rights & privilege s
Deployment New clients Applications
Updates OS Applications
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Benefits of VDI
Centralized desktop management
Desktop standardization
More control over desktop security Ability to roll back to previous desktop
states
Easier migration to new client OSes Greater device independence
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Desktop Virtualization vs. VDI
Client virtualization
Hosted
Application compatibility, development
Virtualize the entire XP OS (hosted)
Windows XP Mode, VMware Workstation / WindowsVirtual PC
VDI
Thin client, legacy PC
Support for the RDP, ICA, PCIOP protocols
Desktop is housed on a virtual server
XenDesktop, VMware View
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VDI Architecture
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VDI Products
Microsoft Virtual Desktop InfrastructureSuite
Citrix XenDesktop 5.0 VMware View 4.5
Quest vWorkspace
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Microsoft Virtual Desktop Infrastructure
Suite
Not a real product Software licensing bundling
Windows Server 2008 Hyper-V
Remote Desktop Services (RD Sessions Broker & RD Gateway) System Center
Virtual Machine Manager Operations Manager Configurations Manager
App-V (Premium Suite)
Licensed per client device VDA Virtual Desktop Access $100 per device (retail)
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Cirtix XenDesktop 5.0
Premium VDI offering for Microsoftvirtualization
Uses XenServer or Hyper-V
Multiple clients Windows, Mac, web, virtual, thin, devices
Based on the ICA protocol Pooled or Personal desktops
Master image management Machine Creation Service (MCS)
High Definition Experience (HDX)
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VMware View
Uses vSphere on the backend
PCoIP protocol
Windows, Linux, thin clients, iPad Local mode
Editions
View Enterprise View Premier
Licensed per connected user
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Quest vWorkspace
Works with VMware vSphere, MicrosoftHyper-V, Parallells Virtuozzo
Managed through System Center orvCenter Server
Supports Windows, Mac, Linux, thinclients, iPad
Licensed per user
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APPLICATION
VIRTUALIZATION
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Application Virtualization Scenarios Application deployment
Legacy applications
Incompatible applications End of DLL Hell
No OS changes
Can be coupled w/ AD or othermanagement frameworks for clientmanagement and deployment
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Application Virtualization
Runs as an application
Virtualizes OS settings
Registry
File system
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Application Virtualization Products
Microsoft App-V
Was - Softricity SoftGrid
VMware ThinApp Was Thinstall
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App-V
Microsoft Desktop Optimization Pack
Requires AD
Requires a back-end applications server On-demand deployment
Streams software to clients
Policy-based management
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App-V Overview
Install Application Server
Deploy Universal Clients
Add App-V application groups to AD Sequence target applications
Assign applications to App-V groups
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App-V Overview
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VMwares ThinApp
Packages virtual applications
Run an installation to capture changes
Virtual Operating System (VOS) Lightweight 300K, 1MB RAM
Virtual registry and file system
Create and distribute packages
Less infrastructure than App-V
Free Starter Edition with VMwareWorkstation 7
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VIRTUALIZATION FAQS
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Virtualization FAQs Does the Windows Server Datacenter
unlimited virtualization licensing just apply
to Microsoft virtualization? No. It applies to all virtualization products
including VMwares ESX Server
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Virtualization FAQs
Were there any changes to thevirtualization licensing with WindowsServer 2008?
Yes. Windows Server 2008 Standard Editionnow provides support for running one activevirtual Windows instance.
Windows Server 2008 Standard Edition
One active VM
Windows Server 2008 Enterprise Edition
Up to four active VMs
Windows Server 2008 Datacenter Edition
Unlimited active VMs
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Virtualization FAQs
How does licensing work with virtualizationwith products like SQL Server and BizTalkthat offer a per-processor licensing option?
When licensing in the per-processor model
you license for the number of virtualprocessors. However, for Enterprise Edition ifyou license all of the physical processors youcan run an unlimited number of virtual SQL
Server instances.http://www.microsoft.com/sqlserver/2008/en/us/l
icensing-faq.aspx
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