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Green ICT,

New OpportunityByungno Lee

Chief DirectorProfessional Service BUKT

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ContentsGreen ICT Trends

KTs Green ICT AdaptationGreen ICT & Business OpportunitiesGreen PCGreen ICC

Smart EnergySmart WorkingCloud

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Dec. 1981 KT Corporation established

Aug. 2002 Privatized

Apr. 2006 Worlds first WiMAX service

Nov. 2008 Real-Time IPTV

Jun. 2009 Merged with KTF (mobile subsidiary)

Jan. 2010 3W (WCDMA, WiFi, WiMAX) services

Revenue (2010)Revenue (2010) FixedFixed LineLineSubscribersSubscribers

BroadbandBroadbandSubscribersSubscribers

MobileMobileSubscribersSubscribers

EmployeesEmployees

(As of Dec. 2010)

17B USD 19.4M 7.4M 16M31,000

Introduction to KT

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Green ICT

TrendsAge of Green : Low Dioxide SocietyEnvironmental Issues Alternative Energy Issues

Greenhouse Gas Global WarmingEnergy Saving Cost Saving

Kyoto Protocol

Sustainable Growth

United Nations Framework Convention on Climate Change

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Green ICTTrends

PC

Internet

Mobile

Communication

UbiquitousNetwork

80 90 00 10

Enjoy IT

Live by IT

Explore IT

Start IT

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Green ICTTrends

Manufacture

Transmission Merchandise

Home

Energy TransothersIT

CO2 Emissionin Korea

about 4%

New Opportunity

96%

4% IT

Green Economy Society

ConvergenceSolutionsole

olleh

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Green ICT Adaptation Apply technologies to explore and toimplement Green IT in major area.

Network

Data Center

Building & Others

Equipment Power consumption

Virtualization

Network Simplification

Power Generation & Cooling

Server Integration

Utilization of Green Energy

PC Power consumption

Cloud

Recycling

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Green ICT Adaptation

Network Infrastructure Renovation

Local Loop,Transit,Signaling SystemExchange Architecture

Low Speed BB

Traffic Reengineering & ReroutingNetwork Integration & Simplification

Outworn DSLAM : Deteriorated ServiceSystem Optimization

Replacement by FTTH consuming lower power

A BA B

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Green ICT Adaptation

Data Center Renovation

Power Facility

Ventilation System

Simplification and Integration of Incoming &Outgoing Board

High Efficiency Power Facilities

Less AC-DC Conversion Loss

Smart cooling System : If outer temperaturedrops lower than indoor, outdoor air would beutilized to cool down. Best for Winter Season

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Green ICT Adaptation

Building & Others Renovation : Green Building

Sensor-based LED lighting System

BEMS : Building Energy Management System

Adiabatic coating film for windows

Cooling & Heating utilizing outer air Garden on top of the building

Building

ManagementLights

Heating/Cooling

Others Water-saving equipment for toiletsPublic Relations for KTs Green Activities :Recognized as an eco-friendly Corporation

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Green ICT & Business Opportunities

Utilize benefits of Green of IT and explorebusiness opportunities in Green by ICT

Green of IT will lead into Green by IT

Green PC

Green ICCSmart EnergySmart WorkingGreen Energy(BEMS)ucloud

As an ICT Service

Provider

Solutions&

Products

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UsersUTP Cable

F/O

Se t-t

Se t-t b x : I/O Functi nality f r e ri h e rals including U S B, Audi ut, Mic. in

Green ICT & Business OpportunitiesGreen PC : Multiple PCs are layered on racks and each user uses each pc on his/her work place.

Each PC is composed of Blade case with slide type which makes layeredmanagement easier

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Green ICT & Business Opportunities

Installation Room : 25% down

Noise & Heat : 30 ~ 40% down

Power Usage : 30 ~ 40% downEasy to manage each PCsEffective Data security & Backup Control

Easy upgradeCentralized Asset Management

Maintenance Cost : 30% down

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Green ICT & Business OpportunitiesGreen ICC : DC power is used for Server & Network Equip.

Inverters/convertersReduced

MTBF 40 times better Space 40% SavedPower cost 20% saved

In the past, computing power was moreimportant than efficiency

LOSS

LOSS

LOSS

LOSS

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Green ICT & Business OpportunitiesComparison between AC vs DC : Simulation at Mokdong ICC

Item Efficiency MTTF Space (PU) Cost (PU)

AC System 69.0 % 24,383,555 1 1 3.3KW/Rack

DC System 83.6 % 1,073,531,543 0.85 0.69 4.0KW/Rack

Results 14.6p% up 44 times up 15p% saved 31p% saved 21p% up

- Efficiency : Simplification of power supply and highly efficient HVDC technology- Space Saving : No PDUs, simplified switchgear- Reliability Improvement : Simplification of element and circuits

380/220Vac

300Vdc

UPS88 - 92%

Back upPb Battery Power Supply

70 ~75%

Back up

lithium ion

DCUPS

>95%

Power Supply

88% Cold aisle containment typecooling capacity :4KW/Rack

Hot & Cold aisle typecooling capacity

:3.3KW/Rack

Before

After

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Green ICT & Business Opportunities

ITU-T SQ5, Q19 ISO/IEC JTC1 SG-EEDC

These technologies have been reported in the International StandardizationOrganization. KT has actively provided its achievements.

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Green ICT & Business OpportunitiesGreen Energy : Optimize energy consumption of a buildingthrough effective monitoring, analysis and O&M of facilities.

EMS

Energy Management

EMS

Energy Management

Light

Power

Gas

Water

Heat

Vent.

USNMonitor

USNMonitor

RemoteControl

RemoteControl

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Green ICT & Business OpportunitiesGreen Energy : Example of KT Green Energy Solution

light control/management

Meter

LCU

Maincontroller

Remote Op.

Internet

Server

Modem

FireWall

Conference Room

MobileMobile

CPEV(2p)RS422/485Power Inverter Panel

Heat/Cool Control Box

Vent. Control Box

Compressor Control Box

Max. Power Control

CPEV(2p)RS422/485

Power meter

CPEV(2p)RS422/485

CPEV(2p)RS422/485

Operator

UTP/RJ45

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Green ICT & Business OpportunitiesSMART Working

People OrientedWay of Working

MobileDevice

s

uCloudPlatforms

World-class BB,Mobile Network

ERP CRM

Achievement Analysis

Others

SBC/VDI

Teleconference

Other Apps.

Sales/Field Force Automation

Unified Communicatione-mailMessenger

SCM

Consulting

SSL-VPN

Customer Office

Fixed Office

While Moving

Smart WorkingOffice

Coffee Sho

SSL-VPN:Secure Socket Layer Virtual Private Network

SBC/VDI :Server Based Computing/Virtual Desktop Infrastructure

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Conclusion

Infrastructure+

Green Tech.

Choice & FocusSuccess Stories

Go toGlobal Market

Trial &Tapping

Green PCUcloud

Smart GridGreen Energy

Advanced/Improved

Solutions

Globalized/LocalizedSolutions

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Thank You

Byungno Lee

byungnol@kt.com