ppt experience in implementing for education 12 1997
Experience in Implementing
Internet for Education
Asia Internet Interconnection Initiatives
Institute of Technology Bandung
Focus
Existing Implemented Infrastructure.
Technology Implemented to Support
Distance Learning.
Outline
Current Infrastructure.
Brief overview on our research
results in:
physical layer.
Network layer.
Application layer.
JCSAT-3
JCSAT-3
To ToJapan
Japan1.55Mbps
1.55Mbps
2Mbps
2Mbps
IX IXTelkom
Telkom
Jakarta
Jakarta- 4Mbps
- 4Mbps
Malang
128Kbps
Malang - 128Kbps
Surabaya
Surabaya- 128Kbps
- 128Kbps
VSAT
VSATTDMA
TDMA
128/64Kbps
128/64Kbps
Internet Exchange
Internet Exchange
Terrestrial
Terrestrial
Network
Network
cachecache
cachecache
Palapa C1
Palapa C1
VSAT
VSATSCPC
SCPC
19.2-64K
19.2-64K
routerrouter
Ethernet
Ethernet
Indonesia Exchange
Indonesia Exchange
Access
AccessServer
Server
routerrouter
routerrouter
ITBITB
Network
Network
CDMA
CDMA
2Mbps
2Mbps
AX.25
AX.25
Packet
PacketRadio
Radio
JCSAT-3
JCSAT-3
To ToJapan
Japan1.55Mbps
1.55Mbps
2Mbps
2Mbps
IX IXTelkom
Telkom
Jakarta
Jakarta- 4Mbps
- 4Mbps
Malang
128Kbps
Malang - 128Kbps
Surabaya
Surabaya- 128Kbps
- 128Kbps
VSAT
VSATTDMA
TDMA
128/64Kbps
128/64Kbps
Internet Exchange
Internet Exchange
Terrestrial
Terrestrial
Network
Network
cachecache
Palapa C1
Palapa C1
VSAT
VSATSCPC
SCPC
19.2-64K
19.2-64K
Connection to
IIX via RadNet
cachecache
routerrouter
Ethernet
Ethernet
Indonesia Exchange
Indonesia Exchange
Access
AccessServer
Server
routerrouter
routerrouter
ITBITB
Network
Network
CDMA
CDMA
2Mbps
2Mbps
AX.25
AX.25
Packet
PacketRadio
Radio
JCSAT-3
JCSAT-3
To ToJapan
Japan1.55Mbps
1.55Mbps
2Mbps
2Mbps
IX IXTelkom
Telkom
Jakarta
Jakarta- 4Mbps
- 4Mbps
Malang
128Kbps
Malang - 128Kbps
Surabaya
Surabaya- 128Kbps
- 128Kbps
VSAT
VSATTDMA
TDMA
128/64Kbps
128/64Kbps
Internet Exchange
Internet Exchange
Terrestrial
Terrestrial
Network
Network
cachecache
Ethernet
Ethernet
cachecache
Palapa C1
Palapa C1
VSAT
VSATSCPC
SCPC
19.2-64K
19.2-64K
routerrouter
7 Universities via
VSAT TDMA
Indonesia Exchange
Indonesia Exchange
Access
AccessServer
Server
routerrouter
routerrouter
ITBITB
Network
Network
AX.25
AX.25
Packet
PacketRadio
Radio
CDMA
CDMA
2Mbps
2Mbps
JCSAT-3
JCSAT-3
To ToJapan
Japan1.55Mbps
1.55Mbps
2Mbps
2Mbps
IX IXTelkom
Telkom
Jakarta
Jakarta- 4Mbps
- 4Mbps
Malang
128Kbps
Malang - 128Kbps
Surabaya
Surabaya- 128Kbps
- 128Kbps
VSAT
VSATTDMA
TDMA
128/64Kbps
128/64Kbps
Internet Exchange
Internet Exchange
Terrestrial
Terrestrial
Network
Network
cachecache
cachecache
Ethernet
Ethernet
Palapa C1
Palapa C1
VSAT
VSATSCPC
SCPC
19.2-64K
19.2-64K
routerrouter
Indonesia Exchange
Indonesia Exchange
routerrouter
SCPC
Access
AccessServer
Server
Connect
3
Universities
router
router
ITBITB
Network
Network
AX.25
AX.25
Packet
PacketRadio
Radio
CDMA
CDMA
2Mbps
2Mbps
JCSAT-3
JCSAT-3
To ToJapan
Japan1.55Mbps
1.55Mbps
2Mbps
2Mbps
IX IXTelkom
Telkom
Jakarta
Jakarta- 4Mbps
- 4Mbps
Malang
128Kbps
Malang - 128Kbps
Surabaya
Surabaya- 128Kbps
- 128Kbps
Internet Exchange
Internet Exchange
Connect to 6 Universities
Terrestrial
Terrestrial
Network
Network
cachecache
cachecache
VSAT
VSATTDMA
TDMA
128/64Kbps
128/64Kbps
Palapa C1
Palapa C1
VSAT
VSATSCPC
SCPC
19.2-64K
19.2-64K
routerrouter
Ethernet
Ethernet
Indonesia Exchange
Indonesia Exchange
Access
AccessServer
Server
routerrouter
routerrouter
ITBITB
Network
Network
CDMA
CDMA
2Mbps
2Mbps
AX.25
AX.25
Packet
PacketRadio
Radio
JCSAT-3
JCSAT-3
To ToJapan
Japan1.55Mbps
1.55Mbps
2Mbps
2Mbps
IX IXTelkom
Telkom
Jakarta
Jakarta- 4Mbps
- 4Mbps
Malang
128Kbps
Malang - 128Kbps
Surabaya
Surabaya- 128Kbps
- 128Kbps
VSAT
VSATTDMA
TDMA
128/64Kbps
128/64Kbps
Internet Exchange
Internet Exchange
Terrestrial
Terrestrial
Network
Network
cachecache
Ethernet
Ethernet
cachecache
Palapa C1
Palapa C1
VSAT
VSATSCPC
SCPC
19.2-64K
19.2-64K
routerrouter
5 Universities / Research Inst
Indonesia Exchange
Indonesia Exchange
Access
AccessServer
Server
routerrouter
routerrouter
ITBITB
Network
Network
CDMA
CDMA
2Mbps
2Mbps
AX.25
AX.25
Packet
PacketRadio
Radio
JCSAT-3
JCSAT-3
To ToJapan
Japan1.55Mbps
1.55Mbps
2Mbps
2Mbps
IX IXTelkom
Telkom
Jakarta
Jakarta- 4Mbps
- 4Mbps
Malang
128Kbps
Malang - 128Kbps
Surabaya
Surabaya- 128Kbps
- 128Kbps
VSAT
VSATTDMA
TDMA
128/64Kbps
128/64Kbps
Internet Exchange
Internet Exchange
Terrestrial
Terrestrial
Network
Network
cachecache
cachecache
Palapa C1
Palapa C1
VSAT
VSATSCPC
SCPC
19.2-64K
19.2-64K
routerrouter
Ethernet
Ethernet
Indonesia Exchange
Indonesia Exchange
Access
AccessServer
Server
> 10 educational institutions
routerrouter
routerrouter
ITBITB
Network
Network
CDMA
CDMA
2Mbps
2Mbps
AX.25
AX.25
Packet
PacketRadio
Radio
Results in Physical Layer
Homebrew 2Mbps CDMA.
VSAT TDMA vs. SCPC Network.
Low Cost Access for Schools.
Internet Access for Amateur Radio
VSAT TDMA vs. SCPC
VSAT TDMA 128Kbps Outbound
VSAT TDMA 64Kbps Inbound
VSAT 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.
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.
Consequences CDMA2Mbps
bypassing local line.
We promote diffierent alternative for
building high speed network.
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 586 one chip modem is used.
We drive the modem via parallel port.
MMIC Minicircuit is being build for
transverter.
Low Cost Access for Schools
AX.25 1200bps Packet Radio
Network.
Proxy Server.
Dial on Demand for Web &
Interactive Internet Access.
AX.AX.2525
Network
Network
AX.AX.2525
Packet
PacketRadiRadio oGateway
Gateway
Radio
Radio
InIntraNet
traNet
LAN
LAN
InInterNet
terNet
Proxy
Proxy&&
DiDiaal lononDemand
Demand
Amateur Radio Network
Jakarta
Bandung
Malang
44.132.80
44.132.80
Radio Tower
Radio Tower
PC/Gateway
PC/Gateway
*.AMPR.ORG
*.AMPR.ORG
Network
Network
44.x.x.x
44.x.x.x
Radio Tower
Radio Tower
44.132.16
44.132.16
TCP/IP
TCP/IP
Radio Tower
Radio Tower
PC/gateway
PC/gateway
Radio Tower
Radio Tower
PC/Gateway
PC/Gateway
44.132.24
44.132.24
LinuxLinux/ DOS
/ DOS
Application Layer
TCP
AMPRNet IP (44.x.x.x)
InterNet IP
Link Layer (AX.25)
Physical Layer
Results in Network Layer
Network Monitoring by
ismail@cnrg.itb.ac.id.
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.
Results in Application Layer
Mailing Lists
English Technical Writting Course
distance learning test bed.
Cache & Cache Monitoring.
MPEG-3 Test Bed.
RealPublisher & NetShow test bed.
Cache
ITB has set 4 Parents.
Cache person is husni@itb.ac.id
We cache all of our Web traffic.
check out
http://www.lp.itb.ac.id/~cacher/
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
Indonesia.
Distance Learning
ITB’s Server:
http://distance-courses.itb.ac.id/
http://virtual-university.itb.ac.id/
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
future of higher education (UNU).
Video on Demand
Supported by Microsoft & Progressive
Network.
Splitter for UNFCC COP3 December
1997.
Publisher for “Kongres Ikatan Alumni
ITB” December 1997.
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
Internet for Education
Asia Internet Interconnection Initiatives
Institute of Technology Bandung
Focus
Existing Implemented Infrastructure.
Technology Implemented to Support
Distance Learning.
Outline
Current Infrastructure.
Brief overview on our research
results in:
physical layer.
Network layer.
Application layer.
JCSAT-3
JCSAT-3
To ToJapan
Japan1.55Mbps
1.55Mbps
2Mbps
2Mbps
IX IXTelkom
Telkom
Jakarta
Jakarta- 4Mbps
- 4Mbps
Malang
128Kbps
Malang - 128Kbps
Surabaya
Surabaya- 128Kbps
- 128Kbps
VSAT
VSATTDMA
TDMA
128/64Kbps
128/64Kbps
Internet Exchange
Internet Exchange
Terrestrial
Terrestrial
Network
Network
cachecache
cachecache
Palapa C1
Palapa C1
VSAT
VSATSCPC
SCPC
19.2-64K
19.2-64K
routerrouter
Ethernet
Ethernet
Indonesia Exchange
Indonesia Exchange
Access
AccessServer
Server
routerrouter
routerrouter
ITBITB
Network
Network
CDMA
CDMA
2Mbps
2Mbps
AX.25
AX.25
Packet
PacketRadio
Radio
JCSAT-3
JCSAT-3
To ToJapan
Japan1.55Mbps
1.55Mbps
2Mbps
2Mbps
IX IXTelkom
Telkom
Jakarta
Jakarta- 4Mbps
- 4Mbps
Malang
128Kbps
Malang - 128Kbps
Surabaya
Surabaya- 128Kbps
- 128Kbps
VSAT
VSATTDMA
TDMA
128/64Kbps
128/64Kbps
Internet Exchange
Internet Exchange
Terrestrial
Terrestrial
Network
Network
cachecache
Palapa C1
Palapa C1
VSAT
VSATSCPC
SCPC
19.2-64K
19.2-64K
Connection to
IIX via RadNet
cachecache
routerrouter
Ethernet
Ethernet
Indonesia Exchange
Indonesia Exchange
Access
AccessServer
Server
routerrouter
routerrouter
ITBITB
Network
Network
CDMA
CDMA
2Mbps
2Mbps
AX.25
AX.25
Packet
PacketRadio
Radio
JCSAT-3
JCSAT-3
To ToJapan
Japan1.55Mbps
1.55Mbps
2Mbps
2Mbps
IX IXTelkom
Telkom
Jakarta
Jakarta- 4Mbps
- 4Mbps
Malang
128Kbps
Malang - 128Kbps
Surabaya
Surabaya- 128Kbps
- 128Kbps
VSAT
VSATTDMA
TDMA
128/64Kbps
128/64Kbps
Internet Exchange
Internet Exchange
Terrestrial
Terrestrial
Network
Network
cachecache
Ethernet
Ethernet
cachecache
Palapa C1
Palapa C1
VSAT
VSATSCPC
SCPC
19.2-64K
19.2-64K
routerrouter
7 Universities via
VSAT TDMA
Indonesia Exchange
Indonesia Exchange
Access
AccessServer
Server
routerrouter
routerrouter
ITBITB
Network
Network
AX.25
AX.25
Packet
PacketRadio
Radio
CDMA
CDMA
2Mbps
2Mbps
JCSAT-3
JCSAT-3
To ToJapan
Japan1.55Mbps
1.55Mbps
2Mbps
2Mbps
IX IXTelkom
Telkom
Jakarta
Jakarta- 4Mbps
- 4Mbps
Malang
128Kbps
Malang - 128Kbps
Surabaya
Surabaya- 128Kbps
- 128Kbps
VSAT
VSATTDMA
TDMA
128/64Kbps
128/64Kbps
Internet Exchange
Internet Exchange
Terrestrial
Terrestrial
Network
Network
cachecache
cachecache
Ethernet
Ethernet
Palapa C1
Palapa C1
VSAT
VSATSCPC
SCPC
19.2-64K
19.2-64K
routerrouter
Indonesia Exchange
Indonesia Exchange
routerrouter
SCPC
Access
AccessServer
Server
Connect
3
Universities
router
router
ITBITB
Network
Network
AX.25
AX.25
Packet
PacketRadio
Radio
CDMA
CDMA
2Mbps
2Mbps
JCSAT-3
JCSAT-3
To ToJapan
Japan1.55Mbps
1.55Mbps
2Mbps
2Mbps
IX IXTelkom
Telkom
Jakarta
Jakarta- 4Mbps
- 4Mbps
Malang
128Kbps
Malang - 128Kbps
Surabaya
Surabaya- 128Kbps
- 128Kbps
Internet Exchange
Internet Exchange
Connect to 6 Universities
Terrestrial
Terrestrial
Network
Network
cachecache
cachecache
VSAT
VSATTDMA
TDMA
128/64Kbps
128/64Kbps
Palapa C1
Palapa C1
VSAT
VSATSCPC
SCPC
19.2-64K
19.2-64K
routerrouter
Ethernet
Ethernet
Indonesia Exchange
Indonesia Exchange
Access
AccessServer
Server
routerrouter
routerrouter
ITBITB
Network
Network
CDMA
CDMA
2Mbps
2Mbps
AX.25
AX.25
Packet
PacketRadio
Radio
JCSAT-3
JCSAT-3
To ToJapan
Japan1.55Mbps
1.55Mbps
2Mbps
2Mbps
IX IXTelkom
Telkom
Jakarta
Jakarta- 4Mbps
- 4Mbps
Malang
128Kbps
Malang - 128Kbps
Surabaya
Surabaya- 128Kbps
- 128Kbps
VSAT
VSATTDMA
TDMA
128/64Kbps
128/64Kbps
Internet Exchange
Internet Exchange
Terrestrial
Terrestrial
Network
Network
cachecache
Ethernet
Ethernet
cachecache
Palapa C1
Palapa C1
VSAT
VSATSCPC
SCPC
19.2-64K
19.2-64K
routerrouter
5 Universities / Research Inst
Indonesia Exchange
Indonesia Exchange
Access
AccessServer
Server
routerrouter
routerrouter
ITBITB
Network
Network
CDMA
CDMA
2Mbps
2Mbps
AX.25
AX.25
Packet
PacketRadio
Radio
JCSAT-3
JCSAT-3
To ToJapan
Japan1.55Mbps
1.55Mbps
2Mbps
2Mbps
IX IXTelkom
Telkom
Jakarta
Jakarta- 4Mbps
- 4Mbps
Malang
128Kbps
Malang - 128Kbps
Surabaya
Surabaya- 128Kbps
- 128Kbps
VSAT
VSATTDMA
TDMA
128/64Kbps
128/64Kbps
Internet Exchange
Internet Exchange
Terrestrial
Terrestrial
Network
Network
cachecache
cachecache
Palapa C1
Palapa C1
VSAT
VSATSCPC
SCPC
19.2-64K
19.2-64K
routerrouter
Ethernet
Ethernet
Indonesia Exchange
Indonesia Exchange
Access
AccessServer
Server
> 10 educational institutions
routerrouter
routerrouter
ITBITB
Network
Network
CDMA
CDMA
2Mbps
2Mbps
AX.25
AX.25
Packet
PacketRadio
Radio
Results in Physical Layer
Homebrew 2Mbps CDMA.
VSAT TDMA vs. SCPC Network.
Low Cost Access for Schools.
Internet Access for Amateur Radio
VSAT TDMA vs. SCPC
VSAT TDMA 128Kbps Outbound
VSAT TDMA 64Kbps Inbound
VSAT 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.
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.
Consequences CDMA2Mbps
bypassing local line.
We promote diffierent alternative for
building high speed network.
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 586 one chip modem is used.
We drive the modem via parallel port.
MMIC Minicircuit is being build for
transverter.
Low Cost Access for Schools
AX.25 1200bps Packet Radio
Network.
Proxy Server.
Dial on Demand for Web &
Interactive Internet Access.
AX.AX.2525
Network
Network
AX.AX.2525
Packet
PacketRadiRadio oGateway
Gateway
Radio
Radio
InIntraNet
traNet
LAN
LAN
InInterNet
terNet
Proxy
Proxy&&
DiDiaal lononDemand
Demand
Amateur Radio Network
Jakarta
Bandung
Malang
44.132.80
44.132.80
Radio Tower
Radio Tower
PC/Gateway
PC/Gateway
*.AMPR.ORG
*.AMPR.ORG
Network
Network
44.x.x.x
44.x.x.x
Radio Tower
Radio Tower
44.132.16
44.132.16
TCP/IP
TCP/IP
Radio Tower
Radio Tower
PC/gateway
PC/gateway
Radio Tower
Radio Tower
PC/Gateway
PC/Gateway
44.132.24
44.132.24
LinuxLinux/ DOS
/ DOS
Application Layer
TCP
AMPRNet IP (44.x.x.x)
InterNet IP
Link Layer (AX.25)
Physical Layer
Results in Network Layer
Network Monitoring by
ismail@cnrg.itb.ac.id.
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.
Results in Application Layer
Mailing Lists
English Technical Writting Course
distance learning test bed.
Cache & Cache Monitoring.
MPEG-3 Test Bed.
RealPublisher & NetShow test bed.
Cache
ITB has set 4 Parents.
Cache person is husni@itb.ac.id
We cache all of our Web traffic.
check out
http://www.lp.itb.ac.id/~cacher/
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
Indonesia.
Distance Learning
ITB’s Server:
http://distance-courses.itb.ac.id/
http://virtual-university.itb.ac.id/
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
future of higher education (UNU).
Video on Demand
Supported by Microsoft & Progressive
Network.
Splitter for UNFCC COP3 December
1997.
Publisher for “Kongres Ikatan Alumni
ITB” December 1997.
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