Desktop Virtualization

Joshua Bradfield Dan Bacus Data Center Solutions Manager Sr. Engineer

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Managing the Desktop

Compliance• Licensing

• Data Protection• Environmental

Security• Viruses

• Lost Hardware• Theft

Administration• Patch Mgmt• Deployment• Asset Mgmt

Expense• Refresh Cycles

• Maintenance / Repair• Replacement

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The Roving Vulnerability

In 2008 laptop sales will overtake desktops

36.3% to 35.3% - IDC

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History of Computing

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The Driving Virtualization Trend

• Changing the data center• Better utilization of new/existing

assets• Flexible, available architecture• Shared resource pools to optimize

data center performance• # of servers virtualized

• Changing IT• Deployment..Management..Mature• Creating the virtual infrastructure

Traditional• Single Workload• Low utilization

• 10-15%

Virtualized• Multiple Workloads• Better Utilization

• 60-80%

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Server Consolidation

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SpaceCostWattsServers

Savings from Virtualization

7

150 61,750 $96,216  12

7 5,845 $9,107 1

Try it yourself at www.gtsi.com/greencalculator

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So what is “Desktop Virtualization?”

• Shared Desktop• Most users per server• No isolation among users• Ex: Citrix Presentation Server (ICA)

Microsoft Terminal Server (RDP)

• PC Blade• Dedicated blade server (1:1 Mapping)• Costly• Ex: ClearCube, HP

• Virtual Desktop• Multiple users per server (isolated)• Versatile• Ex: VMWare (RDP), Citrix, Sun Solaris & Sun VDI

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Virtual Desktop Architecture

Connection Broker (Desktop

Management)

Directory Services

Thin Client

Laptop

Desktop

Virtual Infrastructure

Management Center

Shared Storage

Data Center

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Opportunity

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Supporting the Green Initiative

PCs & Monitors

(40%)

PrintersLAN & Office

Telecoms

Mobile Telecoms

Fixed-Line Telecoms

Servers(including cooling)

Source: Gartner

CO2 Contributions by IT Devices

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Supporting the Green Initiative

Power Consumption

• Desktop = 120 watts• Laptop = 90 watts • Thin Client = 8 watts• (3) 800 watts servers can run 1000 pc’s

Desktop Management

• 5% under desktop power management policies• Desktop = 1-2 watts• Laptop = less than 1

E-Waste

• 2% of solid waste from IT equipment• 1.63 Million Tons• 12% recycled

1 2 3

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What is the ROI?

Source: VMware

Baseline

Hours of Operation: 10

Desktop Growth Rate: 2%

Estimated Desktop Cost: $1,199

Watts: 120

Current (As Is)

10 Hours a Day 24 Hours a Day

Desktop Capital Expenditures $428,102

Desktop Operating Expense $544,186

Desktop Power & Cooling $95,577 $229,386

Total TCO (3 years) $1,067,865 $1,201,674

TCO Avg Per Year, Per Desktop

$1,017.01 $1,144.45

With Desktop Virtualization

Desktop Capital Expenditures $0

Desktop Operating Expense $255,545

Desktop Power & Cooling $70,374

Desktop Virtualization CapEx $278,742

Total TCO (3 years) $604,661

TCO Avg Per Year, Per Desktop

$575.87

350 Desktops

Difference:TCO = $463,204 Avg = $441.14

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A Case Study – Kane County, IL

• Problem:• 2000 PC’s managed by 4 technicians• Spread over 500 miles (2 hour drive time)

• Solution:• Desktop virtualization

• Results:• Eight-year refresh cycle on thin clients• Mobile laptops connect with wireless

cards• Per-desktop hardware reduced to under

$300 – a 70% reduction• HIPAA compliant• Simplified patch and upgrade

management, including mobile police units

Source: VMware

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A Case Study – Denver Health

• Problem:• Streamline worker login procedures• Examine more patients, faster• Cut time, effort, and PC costs

• Solution:• Desktop Virtualization with SunRays

• Results:• Reduced login time from 30 to 15 seconds• Calculated potential energy savings of

$130,000• Cut desktop setup time from 1 hour to 10

minutes• 150 units deployed and only 1 trouble

ticket in six months

Source: Sun

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In Summary:

• The benefits of implementing Desktop Virtualization:• Cut time, effort, and PC costs• Significantly improve data security• Reduced login time from 30 to 15

seconds• Significant potential energy savings.

ex. 1 tenth the power consumption• More efficient management,

ex: Cut desktop setup time from 1 hour to 10 minutes, centralized

• Significant compliance improvements• Improved SLAs internally and to your

constituents.

Source: Sun

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