TEKNOLOGI PAKET RADIO
Sebuah alternatif dalam pengembangan
jaringan komputer untuk pendidikan
dan penelitian

Onno W. Purbo, Ichwan F. Agus, Arman Hazairin,
Basuki Suhardiman, Aulia Khusnul Arif
Computer Network Research Group
Inter University Center on Microelectronics
Institute of Technology Bandung
Bandung 40132
Tel: 022 250-6280
FAX: 022 214-417
yc1dav@itbgtw.itb.ac.id
iwan@itbgtw.itb.ac.id
arman@hme.ee.itb.ac.id
basuki@hq.chem.itb.ac.id
aulia@arcgtw.itb.ac.id

OUTLINE

  •	Kondisi jaringan komputer di Indonesia.

  •	Aplikasi Jaringan Komputer.

  •	Arsitektur Jaringan Komputer TCP/IP.

  •	Hardware & software development.

  •	National and international support.

Network Topologi di ITB
(November 1994)

FACTS (12 November 1994)

  •	It is a three years old self-supporting network with an estimated growth rate at least 700% per year.

  •	A total of 68 major nodes are in operation with 46 (68%) of which are located in Bandung; the rest (32%) are spread all over Indonesia including Jakarta.

  •	Most of the nodes (80%) are using the low cost packet radio technology to form a WAN, the rest (20%) mostly in Jakarta are using dial-up UUCP / TCP/IP to reach the InterNet gateway at IPTEK-NET Jakarta.

  •	Currently at least 52 nodes are preparing their equipments and human resources to join the network.

  •	The estimated total user is 2769 users with 71.6% are at universities, 16.6% in research institutions, 3.8% NGO, 3.3% in government institutes, and 4.7% commercial/industries.

  •	Approximately 56.7% of total users reside in Bandung (48% are users of ITB).

  •	Major applications are 4 major electronic mailing lists, 14 major newsgroups & Gopher servers.

BEBERAPA APLIKASI UTAMA JARINGAN KOMPUTER

  •	Electronic Mail
	  	Perkiraan traffic ke luar negeri 500Kbyte / hari.

  •	Electronic Conference
	  	Total mendekati 20 buah konferensi elektronik yang berjalan secara simultan 24 jam.
	  	Paling tidak 2 buah konferensi terhubung ke konferensi elektronik yang berjalan di luar negeri.

  •	File Transfer
	  	Paling tidak ada 7 buah FTP site utama di jaringan (4 diantaranya di Bandung).
	  	Perkiraan total file yang dapat di FTP adalah 3 Gigabyte.

  •	Telnet
	  	Fasilitas remote login.

  •	Database akses
	  	Paling tidak ada 4 buah Gopher server utama di jaringan.
	  	Isi terutama hasil-hasil penelitian.

Date: Fri, 17 Jun 94 09:28:28 +0200
From: mayer@dfd.dlr.de (Prof. Dr. Gerhard Mayer)
To: yc1dav@itbgtw.itb.ac.id
Subject: Indonesia's Microsat

Dear Dr. Onno,
thank you for your interesting message dated June 13th.
We are highly motivated to collaborate with you in the Microsat field. Could you send us some preliminary frame specs of the project? Do you consider exclusively communication payloads or do you think along a broader possible spectrum like athmospheric / ionospheric research, remote sensing etc.?

We are in principle ready to start PACTOR Tests on HF with 100 Watts and a 5 Element beam.

Will meet Horst Clausen on 20 June to discuss with him possible contributions from his institute.
Best regards
Gerhard

From: "Horst D. Clausen" <clausen@cosy.sbg.ac.at>
Date: Wed, 15 Jun 94 12:54:32 +0100
To: "Onno W Purbo" <YC1DAV@itbgtw.itb.ac.id>
Subject: Re: Indonesia's Microsat

Hello Dr. Onno,

thank you for your message. I have forwarded it to Dr. Mayer and a friend at the Technical University in Graz, Austria, who is a specialist in satellite communications. We will investigate our possibilities and report back to you within the next days.

Best regards,
‑‑Horst Clausen

SERVICES PROVIDED BY VARIOUS SERVERS

Machine			Services			Contents
caddsys.iptek.net.id	Gopher
				anonymous FTP	FAQ, KA9Q, etc.
				DNS			Indonesia's DNS
kesemek.cs.ui.ac.id	NNTP
				Anonymous FTP	Research Papers
				Mailing list		pau-mikro@ee.umanitoba.ca
lrb.lrb.lapan.go.id	NNTP
				Anonymous FTP	Research Papers
itbgtw.itb.ac.id		NNTP
				Anonymous FTP	RFC, Research Results
				Mailing List		sysop@itbgtw.itb.ac.id
								itb-net@itbgtw.itb.ac.id
hme.ee.itb.ac.id	NNTP
				Anonymous FTP	386BSD, RFC, Window,
				Anonymous FTP	Linux, X11R5
				Anonymous FTP	SIMTEL CD-ROM,
				Anonymous FTP	XFREE86, Novell
				Anonymous FTP	NFS, NFSMINI, UUCP
gopher.hme.itb.ac.id	Gopher			Research Result
gw.piksi.itb.ac.id	Anonymous FTP	Seminar Proceedings	in‑prog.
				Anonymous FTP	Research Papers	in‑prog.
				Anonymous FTP	Public Domain s/w	in‑prog.
hq.ee.itb.ac.id		Mailing List		el-itb@hq.ee.itb.ac.id
inkom.lipi.go.id	NNTP
				Anonymous FTP	Research Results

ACTIVE NEWSGROUPS & MAILING LISTS

sysop@itbgtw.itb.ac.id	Indonesia Paguyuban operator mailing list
el-itb@hq.ee.itb.ac.id	ITB Electrical Engineering Department mailing list
rut@itbgtw.itb.ac.id		Indonesian Proffesional Researchers mailing list
itb-net@itbgtw.itb.ac.id	ITB-NET mailing list

id.umum			general discussion
id.test			testing ground
id.net.sysop		forwarded from sysop@itbgtw.itb.ac.id
id.pau.mikro		forwarded from pau-mikro@ee.umanitoba.ca
id.lipi			activities at the Indonesia Institute of Science
id.lapan			activities at the Indonesian National Institute Of Aeronatics And Space
id.lapan.paper		research results from the Indonesian National Institute Of Aeronatics And Space 
id.amatir.satelit	Indonesia satellite activities
id.itb			forwarded from ITB-NET
id.itb.arc			activities at Institute of Technology Bandung - Amateur Radio Club
id.itb.el			forwarded from el-itb@hq.ee.itb.ac.id
uics.doc			reseach results from University of Indonesia Computer Science
ampr.amsat		forwarded from AMSAT Bulletins in AMPR-NET
ampr.tcpip		forwarded from TCP/IP Bulletins in AMPR-NET

KONSEP PENGGUNAAN JARINGAN KOMPUTER

  •	Pengembangan Sumber Daya Manusia berbasis sistem informasi.

	  	Implementasi di motori oleh:

		  	IPTEK-NET (Dewan Riset Nasional)
		  	DIRJEN BINSARAK P&K.

	  	Lokasi seluruh perguruan tinggi & lembaga penelitian.

  •	Pengembangan Masyarakat berbasis sistem informasi.

	  	Implementasi di motori oleh:

		  	PPLH-ITB (Prof. Hasan Poerbo)
		  	Program S2 Pembangunan ITB
		  	Bank Dunia

	  	Lokasi di Jasinga.

ARSITEKTUR JARINGAN KOMPUTER

	Link Layer			AX.25
	Network Layer		InterNet Protocol (IP)
	Transport Layer		Transmission Control Protocol (TCP)

KONSEP INTEGRASI JARINGAN LOKAL MENGGUNAKAN RADIO

PERANGKAT JARINGAN KOMPUTER

  •	Modem AFSK 1200bps dihubungkan langsung ke RS232 port.

  •	Terminal Node Controller (TNC); microprocessor based Z80.

  •	High speed packet radio technology 64Kbps-250Kbps.

Diagram of the PC add-on HDLC card

DUKUNGAN TINGKAT NASIONAL & INTERNASIONAL

  •	Dewan Riset Nasional (DRN)
	  	Pengembangan jaringan packet radio 64Kbps antara Jakarta-Bandung-Jogyakarta.

  •	Departemen Pendidikan dan Kebudayaan
	DIRJEN Pembinaan Sarana Akademis
	  	Implementasi jaringan komputer antar perpustakaan menggunakan satelit Palapa.

  •	Departemen Kehutanan.
	  	Pengembangan jaringan komputer menggunakan radio.

  •	Australian-ASEAN Economic Cooperation Program (AAECP)
	  	International data links.

  •	PT. Telkom
	  	INFONAS