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Experience in Implementing Internet for Education
Asia Internet Interconnection InitiativesInstitute of Technology Bandung
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Focus
Existing Implemented Infrastructure.Technology Implemented to Support
Distance Learning.
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Outline
Current Infrastructure.Brief overview on our research
results in: physical layer. Network layer. Application layer.
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Internet Exchange
Indonesia ExchangeEthernet
To Japan 1.55Mbps2MbpsIX Telkom
VSAT TDMA128/64Kbps
cache cache router
routerAccess Server
ITBNetwork
router
Jakarta - 4MbpsMalang - 128KbpsSurabaya - 128Kbps
TerrestrialNetwork
VSAT SCPC19.2-64K
JCSAT-3
Palapa C1
CDMA2Mbps
AX.25Packet Radio
Internet Exchange
Indonesia ExchangeEthernet
To Japan 1.55Mbps2MbpsIX Telkom
VSAT TDMA128/64Kbps
cache cache router
routerAccess Server
ITBNetwork
router
Jakarta - 4MbpsMalang - 128KbpsSurabaya - 128Kbps
TerrestrialNetwork
VSAT SCPC19.2-64K
JCSAT-3
Palapa C1
CDMA2Mbps
AX.25Packet Radio
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Internet Exchange
Indonesia ExchangeEthernet
To Japan 1.55Mbps2MbpsIX Telkom
VSAT TDMA128/64Kbps
cache cache router
routerAccess Server
ITBNetwork
router
Jakarta - 4MbpsMalang - 128KbpsSurabaya - 128Kbps
TerrestrialNetwork
VSAT SCPC19.2-64K
JCSAT-3
Palapa C1
CDMA2Mbps
AX.25Packet Radio
Internet Exchange
Indonesia ExchangeEthernet
To Japan 1.55Mbps2MbpsIX Telkom
VSAT TDMA128/64Kbps
cache cache router
routerAccess Server
ITBNetwork
router
Jakarta - 4MbpsMalang - 128KbpsSurabaya - 128Kbps
TerrestrialNetwork
VSAT SCPC19.2-64K
JCSAT-3
Palapa C1
CDMA2Mbps
AX.25Packet Radio
Connection toIIX via RadNet
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Internet Exchange
Indonesia ExchangeEthernet
To Japan 1.55Mbps2MbpsIX Telkom
VSAT TDMA128/64Kbps
cache cache router
routerAccess Server
ITBNetwork
router
Jakarta - 4MbpsMalang - 128KbpsSurabaya - 128Kbps
TerrestrialNetwork
VSAT SCPC19.2-64K
JCSAT-3
Palapa C1
CDMA2Mbps
AX.25Packet Radio
Internet Exchange
Indonesia ExchangeEthernet
To Japan 1.55Mbps2MbpsIX Telkom
VSAT TDMA128/64Kbps
cache cache router
routerAccess Server
ITBNetwork
router
Jakarta - 4MbpsMalang - 128KbpsSurabaya - 128Kbps
TerrestrialNetwork
VSAT SCPC19.2-64K
JCSAT-3
Palapa C1
CDMA2Mbps
AX.25Packet Radio
7 Universities viaVSAT TDMA
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Internet Exchange
Indonesia ExchangeEthernet
To Japan 1.55Mbps2MbpsIX Telkom
VSAT TDMA128/64Kbps
cache cache router
routerAccess Server
ITBNetwork
router
Jakarta - 4MbpsMalang - 128KbpsSurabaya - 128Kbps
TerrestrialNetwork
VSAT SCPC19.2-64K
JCSAT-3
Palapa C1
CDMA2Mbps
AX.25Packet Radio
Internet Exchange
Indonesia ExchangeEthernet
To Japan 1.55Mbps2MbpsIX Telkom
VSAT TDMA128/64Kbps
cache cache router
routerAccess Server
ITBNetwork
router
Jakarta - 4MbpsMalang - 128KbpsSurabaya - 128Kbps
TerrestrialNetwork
VSAT SCPC19.2-64K
JCSAT-3
Palapa C1
CDMA2Mbps
AX.25Packet Radio
SCPCConnect 3 Universities
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Internet Exchange
Indonesia ExchangeEthernet
To Japan 1.55Mbps2MbpsIX Telkom
VSAT TDMA128/64Kbps
cache cache router
routerAccess Server
ITBNetwork
router
Jakarta - 4MbpsMalang - 128KbpsSurabaya - 128Kbps
TerrestrialNetwork
VSAT SCPC19.2-64K
JCSAT-3
Palapa C1
CDMA2Mbps
AX.25Packet Radio
Internet Exchange
Indonesia ExchangeEthernet
To Japan 1.55Mbps2MbpsIX Telkom
VSAT TDMA128/64Kbps
cache cache router
routerAccess Server
ITBNetwork
router
Jakarta - 4MbpsMalang - 128KbpsSurabaya - 128Kbps
TerrestrialNetwork
VSAT SCPC19.2-64K
JCSAT-3
Palapa C1
CDMA2Mbps
AX.25Packet Radio
Connect to 6 Universities
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Internet Exchange
Indonesia ExchangeEthernet
To Japan 1.55Mbps2MbpsIX Telkom
VSAT TDMA128/64Kbps
cache cache router
routerAccess Server
ITBNetwork
router
Jakarta - 4MbpsMalang - 128KbpsSurabaya - 128Kbps
TerrestrialNetwork
VSAT SCPC19.2-64K
JCSAT-3
Palapa C1
CDMA2Mbps
AX.25Packet Radio
Internet Exchange
Indonesia ExchangeEthernet
To Japan 1.55Mbps2MbpsIX Telkom
VSAT TDMA128/64Kbps
cache cache router
routerAccess Server
ITBNetwork
router
Jakarta - 4MbpsMalang - 128KbpsSurabaya - 128Kbps
TerrestrialNetwork
VSAT SCPC19.2-64K
JCSAT-3
Palapa C1
CDMA2Mbps
AX.25Packet Radio
5 Universities / Research Inst
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Internet Exchange
Indonesia ExchangeEthernet
To Japan 1.55Mbps2MbpsIX Telkom
VSAT TDMA128/64Kbps
cache cache router
routerAccess Server
ITBNetwork
router
Jakarta - 4MbpsMalang - 128KbpsSurabaya - 128Kbps
TerrestrialNetwork
VSAT SCPC19.2-64K
JCSAT-3
Palapa C1
CDMA2Mbps
AX.25Packet Radio
Internet Exchange
Indonesia ExchangeEthernet
To Japan 1.55Mbps2MbpsIX Telkom
VSAT TDMA128/64Kbps
cache cache router
routerAccess Server
ITBNetwork
router
Jakarta - 4MbpsMalang - 128KbpsSurabaya - 128Kbps
TerrestrialNetwork
VSAT SCPC19.2-64K
JCSAT-3
Palapa C1
CDMA2Mbps
AX.25Packet Radio
> 10 educational institutions
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Results in Physical Layer
Homebrew 2Mbps CDMA.VSAT TDMA vs. SCPC Network.Low Cost Access for Schools.Internet Access for Amateur Radio
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VSAT TDMA vs. SCPC
VSAT TDMA 128Kbps OutboundVSAT TDMA 64Kbps InboundVSAT TDMA is not suitable for Internet
application (especially Web).Tune TDM for 40 byte (originally
256byte packet).Migrating to VSAT SCPC 19.2Kbps at
least.
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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
technology.
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Consequences CDMA2Mbps
bypassing local line.
We promote diffierent alternative for building high speed network.
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Homebrew 64-256Kbps packet radio
We are prototyping 64-256Kbps packet radio network in the lab by [email protected].
AX.25 link layer protocol is used.GMSK MX 586 one chip modem is used.We drive the modem via parallel port.MMIC Minicircuit is being build for
transverter.
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Low Cost Access for Schools
AX.25 1200bps Packet Radio Network.
Proxy Server.Dial on Demand for Web &
Interactive Internet Access.
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IntraNetLAN
Proxy &Dial on Demand
Radio AX.25Packet Radio Gateway
AX.25Network
InterNetIntraNet
LANProxy &
Dial on Demand
Radio AX.25Packet Radio Gateway
AX.25Network
InterNet
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Amateur Radio Network
JakartaBandungMalang
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PC/Gateway
PC/gateway
PC/Gateway
Radio Tower
Radio Tower
Radio Tower
TCP/IP
44.132.80
44.132.16
44.132.24
Linux / DOS
Radio Tower
44.x.x.x
*.AMPR.ORGNetworkPC/Gateway
PC/gateway
PC/Gateway
Radio Tower
Radio Tower
Radio Tower
TCP/IP
44.132.80
44.132.16
44.132.24
Linux / DOS
Radio Tower
44.x.x.x
*.AMPR.ORGNetwork
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Application Layer
TCP
AMPRNet IP (44.x.x.x)
InterNet IP
Link Layer (AX.25)
Physical Layer
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Results in Network Layer
Network Monitoring by [email protected].
Monitor at http://netmon.itb.ac.id/ Network Map Sample of traffic by protocol, port, etc. Graph of total traffic.
Migration to OSPF for internal routing.
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Results in Application Layer
Mailing ListsEnglish Technical Writting Course
distance learning test bed.Cache & Cache Monitoring.MPEG-3 Test Bed.RealPublisher & NetShow test bed.
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Cache
ITB has set 4 Parents.Cache person is [email protected] cache all of our Web traffic.check out
http://www.lp.itb.ac.id/~cacher/
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Mailing Lists
Uses majordomo on FreeBSDRun 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
Indonesia.
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Distance Learning
ITB’s Server:http://distance-courses.itb.ac.id/http://virtual-university.itb.ac.id/
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Video Conference
25 October 1997: 14:00 Indonesia Time.Three Cities: Bandung-Surabaya-MalangCU-SeeMe & Its Reflector.Aiming for high school network in
Indonesia.July 1997: Panel Discussion on the
future of higher education (UNU).
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Video on Demand
Supported by Microsoft & Progressive Network.
Splitter for UNFCC COP3 December 1997.
Publisher for “Kongres Ikatan Alumni ITB” December 1997.
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Summary
ITB has managed to integrate more than 20 educational institutions to Internet.
Major IT used: 2Mbps CDMA Network. Web based distance learning. Real Publisher / Microsoft NetShow.
Key to success:Mass Qualified Human Resource
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