1 / 82

Teknologi Internet Murmer

Teknologi Internet Murmer. Onno W. Purbo onno@itb.ac.id April 1999. Focus. Experience in Building an AII. Low Cost Technology To Educate Indonesia. Low cost is the real challenge. Outline. Historical Perspective Low Cost Internet Access. Internet Discussion Group. YBNET-L@ITB.ac.id

salim
Download Presentation

Teknologi Internet Murmer

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Teknologi Internet Murmer Onno W. Purbo onno@itb.ac.id April 1999

  2. Focus • Experience in Building an AII. • Low Cost Technology To Educate Indonesia. Low cost is the real challenge

  3. Outline • Historical Perspective • Low Cost Internet Access.

  4. Internet Discussion Group • YBNET-L@ITB.ac.id • mail to majordomo@itb.ac.id • message “subscribe ybnet-l” • please confirm on request from majordomo • sysop-l@itb.ac.id • mail to majordomo@itb.ac.id • message “subscribe sysop-l” • please confirm on request from majordomo

  5. Indonesia Topology Jan.1993

  6. CA*net3 AI3 Indonesia STARTAP WIDE TransPAC AI3 S-One / SingaREN APAN vBNS AI3 Indonesia IIX

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

  8. Internet Access Tech

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

  10. Sound Card Packet Radio

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

  12. Computer Mic PC Speaker PC Radio / Rig / HT Speaker HT Mic HT PTT SoundCard Connection

  13. PTT FlexNet via Serial

  14. PTT FlexNet via Printer

  15. PTT FlexNet via MIDI

  16. PTT FlexNet via VOX

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

  18. BayCom Packet Radio

  19. 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

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

  21. 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

  22. 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

  23. Baycom Packet Radio

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

  25. Shared Web Access

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

  27. Dial Shared Web Access

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

  29. Virtual Host

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

  31. Virtual Host

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

  33. Homebrew 64-200Kbps

  34. 64-200Kbps Packet Radio • Spec: • 64-200Kbps • PC Linux + Homebrew 64-200Kbps • URL: • http://xxx.itb.ac.id/~adnan/

  35. 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 transverter.

  36. Block Diagram

  37. Homebrew 64-200Kbps Modem

  38. TX & RX BoardVHF CB Frequency

  39. Assumption • You are a large group of people • You can spare US$3000

  40. WaveLAN CDMA

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

  42. Homebrew 2Mbps CDMA • Uses CDMA 2Mbps card 915MHz & 2.4GHz • Run on FreeBSD. • Homebrew antenna (cost ~US$150). • Max. distance 15km (use PA for more). • Most of our high speed MAN using this technology.

  43. WaveLAN (CDMA)

More Related