Wireless Data Network

Wireless Data Network
Onno W. Purbo
Computer Network Research Group
Institut Teknologi Bandung
Computer Network Research Group ITB
Outline
Arsitektur Jaringan Komputer
 Teknologi Packet Radio.
 Wireless LAN / MAN.
 Professional Wireless Data Network.
 Low Earth Orbit Satellite.
 Geostationary Satellite.
 Summary

Computer Network Research Group ITB
Network Architecture
Application
T ransport
Network
Link
Physical
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Contoh Link Layer AX.25
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Keluarga Protocol TCP/IP
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Connection
Link Layer AX.25
Connectionless /
Connetion
Internet Protocol (IP)
Connectionless
TCP
Connection
Computer Network Research Group ITB
IP Address
Asia Pacific Network Information Center (APNIC)
c/o Internet Initiative Japan, Inc.
Sanbancho Annex Bldg., 1-4, Sanban-cho, Chiyoda-ku, Tokyo, 102 Japan
Tel: +81-3-5276-3973
FAX: +81-3-5276-6239
E-mail: [email protected]
InterNIC Registration Services
Network Solution Incorporated
505 Huntmar Park Drive, Herndon, Virginia 22070
Tel: [800] 444-4345, [703] 742-4777
FAX: [703] 742-4811
E-mail: [email protected]
Computer Network Research Group ITB
State Machine TCP
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Kompleksitas Network
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Persyaratan PC
Sebaiknya dapat menggunakan Window
 Minimal 386 sebaiknya 486.
 Memory minimal 8Mbyte
 Ada pengecualian untuk PC Packet Radio dapat digunakan XT!

Computer Network Research Group ITB
Konfigurasi Hardware
Melalui Packet Radio
 Melalui Wireless LAN
 Melalui Satelit
 Melalui Telepon
 Melalui Local Area Network

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Parameter Penentu
Harga
 Kecepatan Pengiriman Data
 Jarak Jangkau

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Konfigurasi Packet Radio
XT!
Modem Radio
Antenna
Workstation
Total investasi diluar PC:
Modem Radio Rp. 150.000 s/d Rp. 800.000,Radio
Rp. 225.000 s/d Rp. 3.000.000,Kec. Max.
9600bps (bisa naik ke 256Kbps)
Jarak Max.
100km
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Konfigurasi Wireless LAN
Wireless LAN Card
Inside 2Mbps
Workstation
Radio Tow er
Total investasi diluar komputer (PC)
Wireless LAN
US$2000 (satu pasang / 2 buah)
Kecepatan Max.
2Mbps (bisa naik ke 10Mbps)
Jarak Max.
15 km
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Konfigurasi Satellite Network
sebaiknya UNIX
Multiplexer
Workstation
Satellite dish
Investasi diluar komputer (PC):
Sewa peralatan & saluran satelit
VSAT SCPC US$5500 / bulan / 64Kbps
VSAT TDMA US$1500 / bulan / 64Kbps
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Konfigurasi Telepon Network
Konfigurasi yang umumnya digunakan pengguna
Internet Service Provider (ISP) di Indonesia
Modem
Workstation
Investasi diluar komputer (PC):
Modem Telepon
Rp. 250.000 s/d Rp. 3.000.000,Kec. Max.
28.8Kbps
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Konfigurasi Local Area
Network
Local Area
Network
Workstation
Investasi diluar komputer (PC):
Ethernet card Rp. 90.000 s/d Rp. 500.000
Kabel dan Hub Ethernet
Kec. Max.
10-100Mbps.
Jarak Max.
500 meter
Computer Network Research Group ITB
Frequently Asked Questions?
Bagaimana cara menyambungkan sebuah
Corporate Wide Area Network?
 Peralatan apa saja yang dibutuhkan?
 Bagaimana konfigurasi peralatan tersebut?

Computer Network Research Group ITB
Corporate / Campus Internet
Campus
Backbone
InterNet
LAN
Pusat
Penelitian
Ethernet
LAN
Jurusan
LAN
Perpustakaan
Local Area
Network
PC / Router
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Contoh Typical Campus
Network
Modem
Corporate
Campus
Backbone
Ethernet
LAN
Pusat
Penelitian
Seluruh
Kampus
/
/ Campus Internet
Corporate Terhubung
ke Internet melalui
InterNet
sebuah
kabel
telepon
LAN
Jurusan
& modem
LAN
Perpustakaan
Local Area
Network
PC / Router
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Contoh Typical Campus
Network
Modem
Corporate / Campus
Campus
Backbone
LAN
Pusat
Penelitian
Ethernet
LAN
Jurusan
cukup dengan
Internet
satu (1) PC /
router sebuah
InterNetdapat
kampus
terhubung
LAN
Perpustakaan
Local Area
Network
PC / Router
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Contoh Typical Campus
Network
Modem
Penyambungan Corporate ke
Internet
Akses Internet melalui satu buah PC /
Router.
 Investasi cukup besar dilakukan untuk
membangun internal Corporate Network.
 Contoh:

– Universitas Indonesia (UI) - 1.2-1.5 Milyard.
– Trisakti - 850 juta.
– ITB - 100 juta (akan invest lagi 500-800 juta).
Computer Network Research Group ITB
Servis-servis Dasar pada
Internet
e-mail
 mailing list
 News server
 WWW
 FTP server
 Tele Videoconference
 WAIS

Computer Network Research Group ITB
[email protected].
[email protected]
news.ee.itb.ac.id.
http://www.itb.ac.id.
ftp.ee.itb.ac.id.
ftp.cnidr.org
Teknologi Packet Radio
modem sederhana 1200bps.
 Terminal Node Controller (TNC).
 modem FSK dan GMSK 9600bps.
 Card HDLC di PC dan modem 64Kbps
untuk sistem-sistem berkecepatan tinggi.

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Modem 1200 bps
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Terminal Node Controller
(TNC)
Umumnya Z80
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Packet Radio 9600bps
Gaussion Minimum Shift Keying (GMSK)
 Turunan dari Frequency Shift Keying (FSK)
 One-Chip MODEM: MX589
 Dari MX-Com.
 Design rangkaian mirip (lebih sederhana
dari) TCM3105.

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High Speed Packet
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High Speed Packet
High Level Data Link
Controller Card
Z8530
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High Speed Packet
RF Modem Sinkron
56-256Kbps
Output 28 / 70MHz
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High Speed Packet
VHF / UHF
Transverter
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Peralatan Wireless WAN
Card Wireless Ethernet
 Speed 2Mbps s/d 10Mbps
 Distance 15-40 km :-) ....
 Antenna Yagi / Disc
 PC sebagai router ke LAN Ethernet

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Wireless LAN
PC / Workstation
Computer Network Research Group ITB
PC dengan spesifikasi:
386
4Mbyte RAM
Cukup Floppy
Ethernet card ke LAN
Wireless LAN
PC / Workstation
Wireless Ethernet Card
Spec. 250mW
915MHz / 2.4GHz
2,048Mbps
Teknologi CDMA
US$750 / buah
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Wireless LAN
Loop Yagi Antenna
PC / Workstation
Antenna Loop Yagi
915Mhz
Rp. 100.000,Disc 2.4GHz
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Wireless LAN
15 Km @ 250mW
915MHz CDMA
PC / Workstation
PC / Workstation
Percobaan di ITB, Bandung
Dengan Antenna Loop Yagi 915MHz
Jarak 15 km LAN-to-LAN Connection 2Mbps
(sponsor PT. Compact Microwave Indonesia)
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Mungkinkah Membuat Sendiri
Wireless LAN Equipments?
Sangat Mungkin!
Chip Set CDMA Cellular banyak
dipasaran ....
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Bagaimana Dengan Regulasi?

MenParPostel belum mempunyai
regulasi tentang CDMA ....

Peluang untuk melakukan
penelitian & perubahan regulasi
untuk CDMA di Indonesia
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Wireless Data Network
Professional
Cellular / Radio Trunking.
 Packet Switching.
 Kecepatan Minimal 19.2Kbps.
 Rp. 50 / menit - Rp. 0 / menit (no traffic).
 Wireless Modem US$400 (Motorola).

Computer Network Research Group ITB
Low Earth Orbit Satellite
Microsat & Picosat.
 900 km di atas permukaan bumi.
 Peralatan Sederhana.

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VITASat
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LEO Ground Station
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Satelit Geostationer
33,000 km di atas permukaan bumi.
 Round Trip Time (RTT) delay yang terasa.
 C-band umumnya di Indonesia.
 Ku-Band alternatif.

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ETS-V Experiment
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AI3 Experiment
Palapa B2R
JCSat-3 (128E)
64-128Kbps
US$1000-1500/bulan
ITB
Campus-Net
2Mbps
University
Network
Internet
VSAT
Ground Station
C-Band
Ground Station
ITB Main
Internet Hub
Ku-Band
Ground Station
256Kbps
2Mbps WaveLAN
PTS A
Network
PTS
B
PTS B
Network
Network
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Bandung-Net
IPTEK-NET
AI3 Experiments
Multicast Backbone (MBONE).
 IP v.6 Backbone (6BONE)
 Real Time Backbone (RT-Bone).
 Multimedia-on-demand.
 Video Teleconference.

Computer Network Research Group ITB
Summary
TCP/IP de factor standard.
 Kita bisa mengembangkan sendiri wireless
data network.
 Perlu usaha sistematis untuk membangun
sendiri teknologi agar tidak tergantung dari
luar.

Computer Network Research Group ITB
Computer Network Research Group ITB
Computer Network Research Group ITB