It super highway

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Background Information and Product Introduction

+ In order to address information bottlenecks and security vulnerabilities while using leased network cables and equipment of the

existing administrative information network in Seoul, the IT Superhighway, e-Seoul, was built.

+ Since 2009, in preparation for the arrival of a large future ubiquitous society, the e-Seoul Net enhancement project was launched

to provide high quality government information and communciation services.

+ While making the most of Seoul City’s subway tunnels, in order to connect the 25 districts, headquarters and 36 places of major

administration organizations, distribution of electronic approval, personnel affairs, traffic, tax, various government information and

administrative phone calls, internet, etc can be achieved through the IT Superhighway constructed exclusively for Seoul.

Composition

e-Seoul Net

Ultra high speed broadband network for the delivery of large multimedia administrative information, consisted of optical fiber cable

installed in the 180km subway line(including some ground segments), 36 Metro Ethernets, and 36 synchronous equipments(SDH).

Operating facilities can be divided into communication duct facilities, transmission facilities, power facilities, and miscellaneous

facilities.

Cutting edge administration infrastructure

IT Superhighway

10G10G

10G

Seosomun City Hall

DataCenter B

Yeongdeungpo

GangseoYangcheon

Geumcheon

DataCenter

SeochoGangnamGwanakDongjak

HumanResources

DevelopmentCenter

EunpyeongSeodaemun

EmergencyOperations

Center

NamsanOffice

Fire &Disaster

Yongsan

10G

10G 10G

SeongdongDongdaemunGwangjinGangdong

MetropolitanCouncil Mapo JoongguWater supply

Guro

DobongSeongbuk

NowonJungrang

Gangbuk

Songpa

Backbone ring 20gbpsSub-ring 10gbps ※ Stable ring structure that can switchover without interruption from failure was selected

U-service, cctv, wireless network

configuration

Effective integration of infrastructure,

service, and information,

scattered throughout the city

Ubiquitous era network

e-Seoul Net

u-Seoul Net

20G

Sangam

Yeongdeungpo

Data

Center

City Hall

Songpa

Seongbuk

◁ G2G▷◁ G2G

▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

▷◁ G2G

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◁ G2G▷◁ G2G

▷◁ G2G

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◁ G2G▷◁ G2G

▷◁ G2G

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◁ G2G▷◁ G2G

▷◁ G2G

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◁ G2G▷◁ G2G

▷◁ G2G

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◁ G2G▷◁ G2G

▷◁ G2G

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◁ G2G▷◁ G2G

▷◁ G2G

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◁ G2G▷◁ G2G

▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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▷◁ G2G

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▷◁ G2G

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▷◁ G2G

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▷◁ G2G

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▷◁ G2G

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▷◁ G2G

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▷◁ G2G

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▷◁ G2G

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93Digital Seoul e-Governance

◁ G2G▷◁ G2G

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▷◁ G2G

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▷◁ G2G

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▷◁ G2G

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▷◁ G2G

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▷◁ G2G

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▷◁ G2G

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▷◁ G2G

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▷◁ G2G

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▷◁ G2G

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▷◁ G2G

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▷◁ G2G

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▷◁ G2G

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▷◁ G2G

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▷◁ G2G

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▷◁ G2G

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▷◁ G2G

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▷◁ G2G

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▷◁ G2G

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▷◁ G2G

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▷◁ G2G

▷

◁ G2G▷◁ G2G

▷◁ G2G

▷

◁ G2G▷◁ G2G

▷◁ G2G

▷

◁ G2G▷◁ G2G

▷◁ G2G

▷

◁ G2G▷◁ G2G

▷◁ G2G

▷

◁ G2G▷◁ G2G

▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

▷◁ G2G

▷

u-Seoul Net

192km of optical fiber cable in subway sectors, 91 transmission equipments, 4 security equipments, and 3 sets of NMS equipments

compose the ubiquitous based next generation networks. This system consists of 3 networks : U-service network that integrates

website traffic of the 32 affiliated organizations, u-wireless network for free internet service for citizens and Seoul Wifi, and CCTV

network for distributing CCTV image data.

e-SNOC

An effective integrated network managing center which manages 36 scattered and various institutions of transmission facilities.

The operation status of operation information, such as Metro ethernet, SDH equipments, and power equipments, is monitored 24

hours in realtime, and possible malfunction is predicted by building e-Manager, which is a network management system integrated

using simple network management protocol.

Features

Underground communication facilities used as optical fiber cable in subway tunnel

It’s not just the use of underground subway sections in Seoul, but also ensures safety through consigned administration of mainte-

nance agreements carried out by subway management professionals each year.

Operation of the e-SNOC integrated network control center

Stable operation is achieved through e-SNOC’s use of e-Seoul Net’s 24 hour real-time status monitoring.

e-Seoul Net Metro Ethernet Protection Switching Technology

The best network switching technology of the time, EAPS (Ethernet Automatic Protection Switching) has been applied. EAPS recov-

erable technology is capable of switching to a second ethernet ring within 1 second from discovering a fault.

Application Example and Operation Outcome

Build sophisticated multimedia business systems

Administration system is reorganized from text based document delivery, to voice and data integrated multimedia delivery. Realtime

video transmission enables urgent interdepartmental issues meetings. Citizen complaints can be processed and refined anywhere in

realtime video transmission. This can be utilized in various applications such as GIS information, traffic, culture, Internet broadcast-

ing activities in Seoul and disasters or prevention of disasters.

Economic communication network installation by using subway tunnels

By using the existing Seoul subway tunnel in installing optical fiber network, 115km among the required 180km was installed with

a small budget of 500 million won. Ground segments, excluding the 21km of road digging, has had a minimized cost of 29.7 billion

won. This has reduced the overall investment cost, with optical fiber port facilities at 1.5 billion, to a total of 31.2 billion won.

Information network costs - A reduction of about 3 billion won (as of 2002)

The usage fee of each ISP institution, and circuit ratio for administrative and emergency calls, disaster recovery system, video

conferencing systems, live internet broadcasting, e-learning and so on, has been used to reduce the communication line access.

e-Seoul Net benchmarked by other local governments

contro

l packet

P S

Logically Blocked Port

Information Communication Network Metro Ethernet

Other Traffic

MASTER

◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

▷◁ G2G

▷

◁ G2G▷◁ G2G

▷◁ G2G

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◁ G2G▷◁ G2G

▷◁ G2G

▷

◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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▷

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▷◁ G2G

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◁ G2G▷◁ G2G

▷◁ G2G

▷

◁ G2G▷◁ G2G

▷◁ G2G

▷

◁ G2G▷◁ G2G

▷◁ G2G

▷

◁ G2G▷◁ G2G

▷◁ G2G

▷

◁ G2G▷◁ G2G

▷◁ G2G

▷

◁ G2G▷◁ G2G

▷◁ G2G

▷

◁ G2G▷◁ G2G

▷◁ G2G

▷

◁ G2G▷◁ G2G

▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

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◁ G2G▷◁ G2G

▷◁ G2G

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◁ G2G▷◁ G2G

▷◁ G2G

▷

Seoul Special Operations Strategy

Using underground section optic fiber cable routing

Seoul subway sectors used for routing of optic fiber cables. There has been economic gain by minimizing road excavation. In this

way, e-Seoul net has been able to lay optical fiber cables in sections of Seoul’s subway tunnels with a total length of 180km with

115km of that fiber being obtained at a low investment of 500 million won.

Ensure security of optical fiber cable and transmission equipment construction.

The security of the administrative network is secured by delivering all the information between agencies and institutions through

the optical fiber network and transmission equipments installed by Seoul.

Introduction of Gigabit Ethernet’s technology, Metro Ethernet.

Metro Ethernet network, compared to SDH network, has inferior technology on management, protection switching, and QOS, but

as the construction cost is lower and the existing ethernet technology is used, it has advantage of easier management and opera-

tion. This is more suitable for Seoul administrative information network, which has a much higher use of IP administration data.

To minimize risk of construction, overall installation was divided by three steps

By separating construction into three phases, risk is minimized. In this way, after phase 1 of the project is complete, a more ad-

vanced technology (Metro Ethernet), which is more refined than the traditional synchronous transmission network (SDH), will be

introduced.

Major Expectations

Economical construction of IT Superhighway.

Advanced administration through the construction of high speed infrastructure.

improvement in the quality of citizen life by providing a wide range of ubiquitous services through a sophisticated high speed infrastructure.

Law Provisions

Telecommunications Business Act Article 64 (Self installation of telecommunications equipment)

Act on the Construction, etc. of Ubiquitous Cities Article 8 (Including the establishment of ubiquitous urban planning)

Electronic Government Act Article 14 (electronic payment of taxes), Article 15(providing electronic payment), Article 32 (Performing electronic task), Article 52 (Construction of Information Network), Article 56 (Perform and establish information communication network security measures)

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