DISTANCE LEARNING AND THE INTERNET CONFERENCE “REACHING THE 31 st YEAR OF CAR” BANGKOK -...

DISTANCE LEARNING AND THE INTERNET CONFERENCE

“REACHING THE 31st YEAR OF CAR” BANGKOK - THAILAND

Global Development Learning Network

“WORLD BANK’s EXPERIENCES AND OUTLOOK”

Le Vu

TOKYO DEVELOPMENT LEARNING CENTER

TOKYO

PART 1PART 1

THE CONTEXT: DEVELOPMENT LEARNING

The World Bank yesterday launched a telecommunications system …

… spanning multiple time zones, overcoming technology gaps, and encompassing many points of

view …"We are using technology to ensure that everyone

has equal access to knowledge."

The number of sites equipped with DLCs expected to increase to 50 countries by 2002.

back in the year 1997

Using interactive video, electronic classrooms, satellite communications and internet facilities to

help break down the digital divide …

A KNOWLEDGE BANK

• BETTER AID FOR A BETTER FUTURE– Knowledge development and dissemination within

the Bank– Knowledge development and dissemination within

partner countries– Knowledge Development between countries

“our services will be increasingly in the area of the application of global know-how to local needs”

“this is not a university – rather it is a “brain trust” of applied experience”

“We aim to be faster, better, and cheaper.“

“Delivering, expanding, and testing this knowledge is the most important part of our work.“

World Bank President Zoellick in his “100-day speech” …

relevant

today 2007 - not just any knowledge

applied

just-in-time

ISG

WBI

ECA

EAPMNA

multiple networks, 100+ centers, ±500 PoPs?

HOW TO BRIDGE DISTANCE AND TIME

• High-speed, reliable network of regional satellites, fiber and the

Internet

• A network of 3 satellites serves GDLN sites in Africa, Asia, Europe,

Latin America and the Caribbean, and the Middle East

• Internet and Internet 2 access to over 120 Countries

DLC IN NINGXIA (CHINA) Over CERNET

“I have the money and the resources to build schools, but I cannot get the best of my teachers to go to the rural areas.”

— Minister Xiang, Minister of Finance

KABUL GDLN CENTER:

OFFERINGS IN:

• Health & education

• Public sector management

• Financial management

ACTIVITIES

• Managing public expenditure

• Judicial reform

• E-commerce, e-government

• Hospital management

• Indigenous profiles

• Municipal management

• Intellectual property rights

• Agricultural technology and productivity

• Child protection

• Citizen participation in national policy dialogue

• Anti-corruption and transparency

• Disaster management

PART 2

THE CONTEXT: GLOBAL NETWORK

• Multi-point: multi-way real-time video communications

between multiple DLCs

VIDEO-CONFERENCING

• Point-to-point: two-way real-time video

communications between two DLCs

• Broadcast: one-way video communications between central

site and multiple sites ( Webcast )

NETWORK DESIGN PRINCIPLES

• Automated capacity distribution between services

• Full independence from local infrastructure

• Dynamic satellite resources allocation

• Dynamic Internet 2 resource allocation

• Simple upgrade and re-engineering

IP VIDEO

• Room based videoconferencing systems

• H.323 based videoconferencing

• 256Kbit/s per call

• G.711 for audio (64Kbits/s)

• H.261 for video (~180 Kbit/s)

DL CENTERS INFRASTRUCTURE

SYNCHRONOUS ROOM

…..……………..1…………………………………………..30 1 ………......…. 30

7206Router

ASYNCHRONOUS ROOM

FIRE WALL

COMM HUB

PresentationServer

TEACHING CENTER

PBX

DATA, VOICE & VIDEOSatelliteStation

DATA, VOICE & VIDEOSatelliteStation

3745Router

T.120Server

H.323/H.320 Video Bridge

H.323 VideoCodex

PBX

ProductionStudio

COMM HUB

T.120Server

H.323 VideoCodex

LMSServer

PCPCPCPC

LMSServer

(Dedicated Links)PAMA

(Virtual DAMA Links)DAMA

HEADQUARTERS

(Virtual DAMA Voice, Video and Data IP Channels)IP Over Asymmetrical SCPC

• INTELSAT’S DAMA• NORTEL-DASA TDM/TDMA/FR

FO FO FO FOFO

FO

FOFODLCFO

FOFO

HEADQUARTERS

HEADQUARTERS

GDLN GLOBAL NETWORK EVOLUTION STRATEGY

UNIVERSITY NETWORK DLC

INTERNET

ISDN

DLC

45Mbps

OPTIONS

INTERNET LEASED NETEORK LINES

WB GDLN

NREN(NATIONAL RESEARCH AND

EDUCATION NETWORKS)

384/512Kbps/per GDLN Center

I2 ISDNNETWORK

256Kbps/per GDLN Center

GDLN

CENTER GDLN

CENTER .....

GDLN

CENTER GDLN

CENTER .....

GDLN

CENTER GDLN

CENTER ..... GDLN

CENTER GDLN

CENTER .....

OPTIONS COMPARITION

SERVICE SUPPORT

QUALITY AVAILABILITY COSTS ISSUES

PRIVATE NETWORK LINES

multimedia excellent high high logistics

ISDN NETWORK video very good medium very high standardization

INTERNET data good high low Intergrated IP solutions

I2 multimedia superb very low low? slow emerging

MULTIMEDIA MULTIPLEXING SOLUTION

INTERNET ONE PROTOCOL - IPv4

INTERNET TWO PROTOCOL - IPv6

SERVICE SUPPORTOriginally Designed for Data

OnlyDesigned for Multimedia

Applications

ADDRESSING SPACE 32-bit Addresses 128-bit Addresses

ADDRESS SUPPORT cca 4 billion addresses cca 340 trillion addresses

SECURITY SOLUTIONSecurity Solution s Applications Based

Built-in Security Solution

QUALITY OF SERVICE (QoS)

Only Implemented on dedicated Routes

Built-in QoS

STATUS existing Slowly Emerging

INTRA- COUNTRY INTERNET 2 SOLUTION

IN-COUNTRY IP BASED INFRASTRUCTURE

SYNCHRONOUS ROOM

…..……………..1…………………………………………..30 1 ………......…. 30

7206Router

ASYNCHRONOUS ROOM

FIRE WALL

COMM HUB

PresentationServer

TEACHING CENTER

PBX

DATA, VOICE & VIDEONREN

DATA, VOICE & VIDEOLocalMCU

3745Router

T.120Server

H.323/H.320 Video Bridge

H.323 VideoCodex

PBX

ProductionStudio

COMM HUB

T.120Server

H.323 VideoCodex

WEBCTServer

PCPCPCPC

WWBB

WBMCU WWmm

mmmm

WASH DCMCUHUB

INTERNETINTERNET

TDLCMCU

IP BENEFITS

• Single communications platform for multimedia

• Low operation and management costs

• Low communications equipment complexity (only router)

• Easy integration with in country networks

• GDLN is the first world-wide Global Network fully IP based

• Videoconferencing ready

• State-of-art Technology and International Standards

• Fully connected to and compatible with Internet1 and Internet2

• Flexible interface to clients

• Flexible for upgrade and grow

• Network is designed based on the traffic-flow pattern

• Providing services to GDLN’s business partners

• Broadcasting, Web streaming and content archiving• 24x7 technical and operational support

FACTS

LO

WH

IGH

AVAILABLE

Local Reliable Internet (IP)

Cus

tom

er D

eman

d fo

r DLC

Ser

vice

s

Costa RicaGuatemalaChilePeruColombiaEcuadorHondurasMexicoNicaraguaIndiaPhilippines

Turkey (2)LithuaniaRussia (2)PolandSwitzerlandSpainIndia (2)KoreaSingaporeUkraineEgypt

Mozambique AfghanistanSri LankaDom. RepublicSenegalBeninEthiopiaCote D’IvoireBoliviaTanzaniaGhanaUganda ThailandJordanSaudi Arabia (2)Australia

coming …MauritaniaMaliKenya

China (3) MongoliaBrazil (3) BelgiumVietnam FranceE. Timor

Independently DLCs In Network Purchasing partnership pay Intelsat's and MCI direct.Always connected to WB NetworkFixed Network Cost becauseNo local ISDN or IP alternativeLow Customer Demand

Find ways to increase andsustain high

Demand over Internet 2China, Indonesia, Australia, Eastern European,

Latin America.

Find local reliableISDN &

internet providers

AVAILABLE

DLCs co-located with WB CO’s VC Rides on local IP through WB Network.At marginal cost of WB network trafficInternet access locally provided (security)

Independently DLCs Use local ISDN as needed To Plug into GDLN Network Pay market rate for ISDN

Independently DLCsIncreased in country networkIncreased reliance on Internet More and broader content offerings

12 3

4

DEMAND VS. OFFERING