Teknologi Internet Murmer

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Teknologi Internet Murmer

• Onno W. Purbo
• onno_at_itb.ac.id
• April 1999

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Focus

• Experience in Building an AII.
• Low Cost Technology To Educate Indonesia.

Low cost is the real challenge
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Outline

• Historical Perspective
• Low Cost Internet Access.

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Internet Discussion Group

• YBNET-L_at_ITB.ac.id
• mail to majordomo_at_itb.ac.id
• message subscribe ybnet-l
• please confirm on request from majordomo
• sysop-l_at_itb.ac.id
• mail to majordomo_at_itb.ac.id
• message subscribe sysop-l
• please confirm on request from majordomo

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Indonesia Topology Jan.1993
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AI3 Indonesia
CAnet3
STARTAP
WIDE
TransPAC
AI3
S-One / SingaREN
APAN
vBNS
AI3 Indonesia
IIX
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Success Factor

• Community based development.
• Human Resource Development
• Culture!
• Shifting mind set!
• Self-financing.

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Internet Access Tech
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Assumption

• PC Multimedia Available ..
• VHF / UHF Rig Available ..
• You have Rp. 30.000 in your pocket ..

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Sound Card Packet Radio
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Sound Card Packet Radio

• Spec
• 1200-9600bps
• PC Sound Card Radio
• URL
• http//home.pages.de/flexnet/
• Search Internet (Keyword)
• flexnet

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SoundCard Connection

• Computer
• Mic PC
• Speaker PC

• Radio / Rig / HT
• Speaker HT
• Mic HT
• PTT

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PTT FlexNet via Serial
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PTT FlexNet via Printer
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PTT FlexNet via MIDI
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PTT FlexNet via VOX
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Assumption

• PC DOS Available ..
• VHF / UHF Rig Available ..
• You have Rp. 300.000 in your pocket ..

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BayCom Packet Radio
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BayCom Packet Radio

• Spec
• 1200
• PC 286 BayCom Modem Radio
• URL
• http//xxx.itb.ac.id/yc1dav/beginner/
• ftp//ftp.ucsd.edu/hamradio/packet/tcpip/
• Search Internet (Keyword)
• baycom

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Install NOS

• /spool/mqueue
• /spool/mail
• /spool/news
• /pub
• autoexec.nos
• domain.txt
• ax25.com

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autoexec.nos

• hostname yd3fua.ampr.org
• ax25 mycall yd3fua
• ip address 44.132.136.10
• attach packet 0x60 ax1 2048 1024
• start smtp
• smtp gateway 44.132.136.1
• route add default ax1 44.132.136.1

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domain.txt

• Yb3bdl.ampr.org. IN A 44.132.138.2
• yb1hr.ampr.org. IN A 44.132.18.1
• yc1dav.ampr.org. IN A 44.132.80.1

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Baycom Packet Radio
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Assumption

• PC Available ..
• LAN Available ..
• Telp Available ..
• You can pay Rp. 10.000 / hour
• You can buy modem

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Shared Web Access
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Shared Web Access

• Spec
• 33.6Kbps
• PC Windows / Linux / FreeBSD phone
• URL
• http//www.download.com
• Search Internet (Keyword)
• wingate
• proxy
• sock

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Dial Shared Web Access
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Assumption

• PC Available ..
• LAN Available ..
• Telp Available ..
• You can pay Rp. 10.000 / 6Mbyte mail
• You can buy modem

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Virtual Host
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Virtual Host

• Spec
• 33.6Kbps
• PC Windows / Linux / FreeBSD phone
• URL
• http//www.download.com
• Search Internet (Keyword)
• vpop
• netgate
• avirt

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Virtual Host
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Assumption

• PC Available ..
• You have Rp. 3.000.000 in your pocket ..
• You are able to solder ..

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Homebrew 64-200Kbps
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64-200Kbps Packet Radio

• Spec
• 64-200Kbps
• PC Linux Homebrew 64-200Kbps
• URL
• http//xxx.itb.ac.id/adnan/

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Homebrew 64-256Kbps packet radio

• We are prototyping 64-256Kbps packet radio
  network in the lab by adnan_at_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 transverter.

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Block Diagram
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Homebrew 64-200Kbps Modem
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TX RX BoardVHF CB Frequency
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Assumption

• You are a large group of people
• You can spare US3000

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WaveLAN CDMA
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WaveLAN CDMA

• Spec
• 2Mbps
• 5-10 km distance
• Builtin Router Ethernet connector
• URL
• http//hydra.carleton.ca

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Homebrew 2Mbps CDMA

• Uses CDMA 2Mbps card 915MHz 2.4GHz
• Run on FreeBSD.
• Homebrew antenna (cost US150).
• Max. distance 15km (use PA for more).
• Most of our high speed MAN using this technology.

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WaveLAN (CDMA)
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Internet Discussion Group

• YBNET-L_at_ITB.ac.id
• mail to majordomo_at_itb.ac.id
• message subscribe ybnet-l
• please confirm on request from majordomo
• sysop-l_at_itb.ac.id
• mail to majordomo_at_itb.ac.id
• message subscribe sysop-l
• please confirm on request from majordomo

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Other Applications
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Internet Telephone
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Internet Telephone
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Internet Telephone
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Internet Call Waiting
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Dialer
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Video Conference
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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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Amateur Packet Network

• Jakarta
• Bandung
• Malang
• Salatiga

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YBNET ampr.org

• ORARI member
• Coordinate via YBNET-L_at_ITB.ac.id
• IP 44.132.x.x
• http//xxx.itb.ac.id/yc1dav/ip/44-132.htm

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YB2SV (JOS SOEJOSO) SALATIGA
UNIV. MUHAMMADIYAH MALANG
AMPR.ORG NET
ITB GATEWAY
ELEKTRINDO NUSANTARA
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YBNET ampr.org

• ORARI member
• Coordinate via YBNET-L_at_ITB.ac.id
• IP 44.132.x.x
• http//xxx.itb.ac.id/yc1dav/ip/44-132.htm

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Amateur Packet Satellite
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CNRG

• Computer Network Research Group ITB
• http//xxx.itb.ac.id/cnrg/

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CNRG

• Human resource is the key 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/
• http//nic.itb.ac.id/

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