ppt information technology for indonesian education network 1998

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Information Technology for Indonesian Education Network

Computer Network Research Group Institute of Technology Bandung cnrg@itb.ac.id

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Focus

 _{Existing Implemented Infrastructure.}

 _{Experience in Building an AII.}

 _{Low Cost Technology To Educate}

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Our situation

 _{Develop by University}

 _{Implemented & Run by Education}

Sector

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Outline

 _{Historical Perspective}

 _{Current Infrastructure.}

 _{Brief overview on our research}

results in:

 _{physical layer.}  _{Network layer.}

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Experience in Internet

building

 January 1993 - Suryono (Texas) install

a packet radio 1200bps to LAPAN.

 _{LAPAN 1200bps to BPPT & Internet}

64Kbps.

 _{286 PC as gateway! to connect the}

whole ITB campus.

 _{Software NOS (running on DOS) as}

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Indonesia Topology Jan.1993

LAN

InterNet

Universitas Indonesia

BPPT

LAPAN

ITB

1200 bps 2 Meteran

1200 bps UHF

LAN

InterNet

Universitas Indonesia

BPPT

LAPAN

ITB

1200 bps 2 Meteran

1200 bps UHF

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ITB in 1995

 _{Telkom Leased Line at 14.4Kbps}

 _{RISTI-Telkom to BPPT 64Kbps.}

 _{ITB uses FreeBSD (UNIX) as Router &}

Server.

 _{For the first time ITB sees Web in}

Internet.

 _{ITB learns to build a campus network}

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Typical ITB Campus Net

Backbone Kampus (Thick Ethernet)

LAN LAN

LAN

PC Router

Server (Novell / UNIX) Server Novell / UNIX

PC Router

Internet

Web Server / DNS PC Gateway

Backbone Kampus (Thick Ethernet)

LAN LAN

LAN

PC Router

Server (Novell / UNIX) Server Novell / UNIX

PC Router

Internet

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ITB Today ....

 _{T1 Satelite link to Japan.}

 _{2Mbps link to Indonesia IX.}

 _{VSAT TDMA & SCPC to various universities.}  _{4Mbps Uwave Jakarta-Bandung.}

 _{128 Kbps to Jakarta, Surabaya & Malang.}

 _{WaveLAN 2Mbps for Metropolitan}

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ITB Network Operation

Center

Internet Exchange

Indonesia Exchange Ethernet

To Japan 1.55Mbps 2Mbps

IX Telkom

VSAT TDMA 128/64Kbps

cache cache _router

router Access Server

ITB Network

router

Jakarta - 4Mbps Malang - 128Kbps Surabaya - 128Kbps

Terrestrial Network

VSAT SCPC 19.2-64K JCSAT-3

Palapa C1

CDMA 2Mbps

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Key to Success

Human Resource

Development!

Self-financing!

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Results in Physical Layer

 _{Homebrew 2Mbps CDMA.}

 _{VSAT TDMA vs. SCPC Network.}

 Low Cost Access for Schools.

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Homebrew 2Mbps CDMA

 Uses Lucent CDMA 2Mbps card

915MHz 250mW.

 _{Run on FreeBSD.}

 _{Homebrew antenna (cost ~US$150).}

 Max. distance 15km (use PA for more).

 _{Most of our high speed MAN using this}

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Homebrew 64-256Kbps

packet radio

 We are prototyping 64-256Kbps packet

radio network in the lab by

adnan@itb.ac.id.

 _{AX.25 link layer protocol is used.}

 _{GMSK MX 589 one chip modem is used.}

 _{We drive the modem via parallel port.}

 _{MMIC Minicircuit is being build for}

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SMU /

SMP

Proxy &

Dial on Demand

Radio AX.25

Packet Radio Gateway AX.25

Network

InterNet

SMU /

SMP

Proxy &

Dial on Demand

Radio AX.25

Packet Radio Gateway

AX.25 Network

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Results in Network Layer

 _{Network Monitoring by}

ismail@cnrg.itb.ac.id.

 Monitor at http://netmon.itb.ac.id/

 _{Network Map}

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Scotty monitor

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Web screen http://netmon.itb.ac.id/map.html

Text Map

Timeout alarm

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Results in Application Layer

 _{Mailing Lists}

 _{English Technical Writting Course}

distance learning test bed.

 Cache & Cache Monitoring.

 _{MPEG-3 Test Bed.}

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Cache

 _{ITB has set several Parents cache.}

 _{Cache person is husni@itb.ac.id}

 We cache all of our Web traffic.

 check out

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Cache Hierarchy at ITB

Network

cache-naist1.ai3.net

ns1.itb.ac.id

ns2.itb.ac.id

cache.lib.itb.ac.id cache-en.itb.ac.id

bandung-net

VSAT-net

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Cache Usage Monitoring

 _{Log files}

 _{Daily statistics}

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Results

 _{Over 1.5Gbytes transferred data at a}

normal work-day

 _{Over 400Mbytes transferred data at}

a weekend-day

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Mailing Lists

 _{Uses majordomo on FreeBSD}

 _{Run on Dual Pentium 166MHz 32Mb RAM.}

 _{More than 220 mailing lists at ITB. (more}

than 75% Indonesian mailing lists).

 _{More than 10.000 subscribers.}

 _{We are trying to build the community in}

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Distance Learning

 _{ITB’s Server:}

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Video Conference

 _{25 October 1997: 14:00 Indonesia Time.}

 _{Three Cities: Bandung-Surabaya-Malang}

 _{CU-SeeMe & Its Reflector.}

 _{Aiming for high school network in}

Indonesia.

 _{July 1997: Panel Discussion on the}

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Video on Demand

 _{Supported by Microsoft & Progressive}

Network.

 _{Splitter for UNFCC COP3 December}

1997.

 _{Publisher for “ITB’s Alumny}

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Summary

 _{ITB has managed to integrate 20+}

educational institutions to Internet.

 Major IT used:

 _{2Mbps CDMA Network.}

 _{Web based distance learning.}

 _{Real Publisher / Microsoft NetShow.}

 Key to success:

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References

 _{http://ai3.itb.ac.id/}

 _{http://xxx.itb.ac.id/~yc1dav/}

 _{http://xxx.itb.ac.id/~cnrg/}

 _{http://xxx.itb.ac.id/~adnan/}

 _{http://distance-courses.itb.ac.id/}

 _{http://virtual-university.itb.ac.id/}

 _{http://netmon.itb.ac.id/}