VDI for Business - Beyond the Hype

800.800.4239 | CDW.com/PeopleWhoGetIT
VDI FOR BUSINESS
Derrek Kim - Technical Specialist
BEYOND THE HYPE

22CDW — PROPRIETARY AND CONFIDENTIAL. COPYING RESTRICTED. FOR INTERNAL USE ONLY.
How do I
manage costs?
How do I take
advantage
of virtualization?
Should we go with
Rich Clients or
Thin Clients?
How do I keep
my mobile
users productive?
Should I embrace
cloud services?
How do I keep my
data safe and
applications secure?
VIRTUAL DESKTOP INFRASTRUCTURE

THE NEED FOR A DESKTOP STRATEGY

APPLICATION CONSIDERATIONS
Provide access
from
anywhere
Know which
applications
you have
Manage
application
lifecycle

Challenges
OPERATING SYSTEM AND
BROWSER CONSIDERATIONS
Access
from
anywhere
Image
management
Operating
System
migration

DATA & USER SETTINGS
CONSIDERATIONS
Data Protection
& Compliance
Anywhere
access
to data & user
settings
Ever-increasing volume of
data from multiple sources

Challenges
HARDWARE CONSIDERATIONS
Handling the
growing mobility
of end users
Addressing
consumerization
Managing the
Hardware Lifecycle

VIRTUAL DESKTOP INFRASTRUCTURE
• What is VDI
• Use cases
• Components
• Licensing considerations
• VDI Technology landscape

WHAT IS VDI?
Understanding VDI Hype

BASICS OF VDI
VDI defines a broad range of technologies which enable end
user desktop computing processes to be run on remote
computing resources or locally in a manner which provides
isolation from the primary end user OS.

REASONS FOR VDI
• Standardization , Stable
• External Users – Non-Corporate resource
• React to changes quickly
• Maintain Intellectual Property
• Data Protection – Proximity/Backup
• Comply with Global Export rules (Regulatory Compliance)
• D/R Pandemic – What if 40% of workforce force to work
from home
• Mandates for quick security patches
• Need for extremely Quick Application updates
• Support volatile Client device environment

REASONS FOR VDI
• Applications need client OS (specific environment)
• Users need a customizable environment
• Policy against a shared computing model
• BYOC
• Local/Off line usage
• Device independence

REASONS AGAINST VDI
• Cost
• Application Performance - Video
• Complexity
• Local device access

• Open a branch office
• Start an offshore project
• On-board a new employee
• Move a dept from building
A to Z
• Add, delete & update apps
• Apply security patches
• Implement ‗BYOC‘

VIRTUALIZATION REALITY
• VDI can be beneficial for EVERY organization
However…
• VDI is NOT for every application

VDI USAGE?
Where does it really make sense

HIGH IMPACT USER
Premium knowledge worker Sensitive / Secure Information
Examples: Healthcare, Military

HIGH VOLUME TASK WORKER
Task oriented Important / Secure Information
Examples: Tax prep, Call Center,
Remote/At-Home worker
• Limited access to local storage
• Standardized Desktop and Apps
• Non-company (personal) computer

NOT RECOMMENDED
Mobility/Flexibility/Performance
Anywhere access to Information
Examples: Knowledge worker,
Media Creation/Editing, Sales

• What is VDI
• Where does it make sense to use it
CHECKPOINT

TECHNICAL COMPONENTS
What‘s needed to implement VDI
VDI EXPLAINED

VDI Mgt
OS/App
Mgt
Windows OS
Virtualization Platform
TECHNOLOGY IN USE

VDI Mgt
OS/App
Mgt
Windows OS
Virtualization
Platform
• Microsoft Hyper-V
• VMware vSphere
• Citrix XenServer
TECHNOLOGY IN USE

VDI Mgt
OS/App
Mgt
Windows OS
• MS Windows VDA Licensing
• MS Windows VL w/SA
Windows VDA is required for
ALL VDI implementations
that use a non-SA device to
access a Windows VDI
desktop, regardless of the
VDI infrastructure vendor
TECHNOLOGY IN USE

VDI Mgt
OS/App
Mgt
Windows OS
• Template VMs/Thin Provisioning
• Microsoft App-V
• Citrix XenApp
• Microsoft RDS
• Profile Tools
• Other…
TECHNOLOGY IN USE

VDI
Mgt
OS/App
Mgt
Windows OS
• Citrix XenDesktop
• Citrix Provisioning Server
• Microsoft RD Broker
• Microsoft SCVMM
• VMware View
TECHNOLOGY IN USE

TYPES OF VDI
• One to one relationship
• Highest costStatic
• One to Many relationship
• Pools must be maintainedPooled
• One to Many
• Elasticity
• System Managed Pools
Dynamic

ESSENTIAL COMPONENTS
Factors that need to be accounted for when deploying a Virtualized
Desktop Infrastructure
• Folder Redirection
• Profiles Availability
• Application Installation
• App Virtualization
• Remote Application Access
• Image Management
• Image Deployment
• Session Management
• User Connectivity
Data &
User Settings
Applications
Operating
System

WINDOWS LICENSING
Licensing Windows in a VDI Environment

Scenario 1:Standard Users
MICROSOFT VDI LICENSING
My company has 100 PCs and 100 users that access Windows® client Operating
System (OS) (―Windows Client OS‖ implies one of the following operating systems:
Windows XP, Windows Vista®, Windows 7) running on virtual machines (VMs) using
VDI. However, only 50 VMs are running at any one time.
License: If the PCs are covered under Software Assurance (SA),
then no additional licensing is required, as Software Assurance
contains rights to Windows VDI desktops.

Scenario 2: Shift Workers
My company has 100 PCs with 300 workers accessing these PCs in shifts.
At any time, 150 Windows client OS VMs are being accessed using VDI.
License: If the PCs are covered under Software Assurance, then
no additional licensing is required, as Software Assurance contains
rights to Windows VDI desktops.

Scenario 3: Mixed Desktop Hardware
My company has 100 PCs under SA and 100 thin clients (running a minimal OS such
as Windows FLP or Windows Embedded for purposes of accessing a VDI). We have 100
Windows client VMs.
License: For the 100 PCs covered under SA, no additional
licensing is required. Each of the 100 thin clients would need
a Windows Virtual Desktop Access (VDA) license, and hence
a total of 100 Windows VDA licenses are required.

Scenario 4: Standard Users – Home Use
My company has 100 employees who are the primary users of 100 thin clients covered
under Windows VDA. These employees occasionally work from home and access the
corporate VMs via VDI.
License: Windows VDA licenses extend roaming rights for the
primary (―named‖) user of a company-owned device covered
under Windows VDA, and hence no additional licenses for home
PCs are required in this scenario.

Scenario 5: 100% Home Users
My company has 100 workers who work from home and access Windows
client VMs via VDI from their home PCs.
License: The employee-owned PCs will have to be licensed
with Windows VDA, and hence 100 Windows VDA licenses are
required.

Scenario 6: Roaming Users
I have 300 thin clients throughout my company and only 100 users who
roam from station to station.
License: Windows VDA is a device–based license so 300
thin clients must be licensed with Windows VDA. If the
devices are PCs covered with SA, then no additional
licensing is required.

Scenario 7: Contractor-Owned PCs
My company has 100 contractors who are working for six months, and we
will engage 100 different contractors the other six months of the year.
License: Assuming each contractor accesses the environment
with one unique device, 100 Windows VDA licenses are required
for the contractors to access the VDI environment. You can
transfer the Windows VDA licenses to the second set of
contractors after a period of 90 days of first assignment.

• Microsoft Windows Software Assurance provides the ability for
the covered device and its primary user to access the VDI
environment
• Without Software Assurance, a VDA license is necessary to
access the VDI environment
• Microsoft Windows VDI licensing is DEVICE based – it is not
based on concurrent usage
• Licensing can be transferred once every 90 days
• Roaming usage for the license ―Primary User‖ of the device is
permitted
LICENSING SUMMARY

VDI LANDSCAPE
Who are the players

VDI PROVIDERS
Major Players Niche Players

CLIENT VIRTUALIZATION
• 59% reported that their client virtualization goals are equally
or more important than their server virtualization goals
• Respondents who have implemented client virtualization and
track ROI report that they are saving slightly more than 20%
of their total IT budget
• 91 percent of those considering or implementing client
virtualization (82% of all respondents) plan to implement
within the next 12-24 months
CDW surveyed 200 IT managers at medium and large businesses to understand
what is driving client virtualization, how it is being used in data centers, and to
identify the key roadblocks to success.
CDW STUDY JANUARY 2011

CLIENT VIRTUALIZATON
• 37% have completed an up-front inventory
analysis of client devices in preparation for
implementation and 44% plan to complete an
analysis in the near future

97% noted experiencing challenges with implementation
―CDW Client Virtualization Straw Poll results point to a need for increased up-front analysis,
education and testing to enable businesses to take full advantage of client virtualization”

VIRTUALIZATION REALITY
• Virtualization is revolutionary
» An Important Paradigm shift
» Largest change to address IT industry since change from Main-
Frame to Distributed Computing (1990s)
• It is not a panacea
» Virtualization is not magic – but can solve complex problems
» Still requires effort, planning, and management
» Many false claims in the industry about virtualization benefits
• Planning & Management are Critical
» Virtualization needs careful planning and control to succeed
» Not everything can be virtualized
- Physical still needs to be managed
- Virtual also needs to be managed
- Management strategies have to account for hybrid environments

97% noted experiencing challenges with implementation
―CDW Client Virtualization Straw Poll results point to a need for increased up-front analysis,
education and testing to enable businesses to take full advantage of client virtualization”
Recommendations:
• Identify Goals
• Do Your Research
• Prep, Test & Prepare
• Measure the Savings
• Find Out More
Full report available at
http://newsroom.cdw.com/features/feature-01-04-11.html

ADDITIONAL RESOURCES
• For more information about Microsoft VDA, please visit:
http://www.microsoft.com/vdi
• For more information about Microsoft Virtualization, please
visit: http://www.microsoft.com/virtualization
• For more information about Microsoft System Center, please
visit: http://www.microsoft.com/systemcenter
• For more information about Windows Server 2008 R2,
please visit: http://www.microsoft.com/windowsserver2008
• For more information about Remote Desktop Services,
please visit: http://www.microsoft.com/rds

QUESTIONS
Derrek Kim
Solution Architect – MS Virtualization
derrek.kim@cdw.com
(616) 813-7137
(847) 371-2835

VDI for Business - Beyond the Hype

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