Ppt voip-vsat-3-2002

VSAT & VoIP

Onno W. [email protected]

Fokus Pembicaraan .. VSAT IP VoIP Share Akses (kalau ada waktu) …

VSAT

Spesifikasi .. Antenna Kecil < 1 meter s/d 3

meteran Frekuensi Umumnya C-Band (4-

6GHz) Kalau berani mencoba Ku-Band

Aplikasi Receive Only Transmit / Receive

Receive Only Stock market & other news broadcasting Training or continuing education from a

distance Distribute financial trends & analyses Introduce new products at geographically

dispersed locations Update market related data, news Distribute video or TV programs Distribute music in stores & public areas Relay advertising to electronic signs in retail

stores

Konvensional DVB

WARNET InterNetmelesat.net

Satellite dish

Satellite

Satellite dish

1.5Mbps

33.6Kbps

PC DVB Card

Transmit / Receive Interactive computer transactions Internet Video Teleconferencing Database inquiries Bank transactions, ATM Reservation systems Distributed remote process control Voice communications Electronic fund transfer at Point-of-Sale E-mail

Konfigurasi VSAT Point To Point (SCPC) Point To Multipoint (TDM-TDMA) On Demand (DAMA)

Single Channel Per Carrier

SCPC Bandwidth

TDM-TDMA

TDM-TDMA Bandwidth

Demand Assigned Multiple Access (DAMA) Network Control System (NCS)

Switch Board di Angkasa. Jika ada node yang membutuhkan

hubungan frekuensi baru di alokasikan.

Membebaskan frekuensi jika tidak digunakan.

Mendukung operasi full mesh, point-to-point, point-to-multipoint.

Inti VSAT IP Tambahkan Router dibelakang

modem VSAT

VoIP

Model Usaha VoIP

ITSP

ITSP

MinuteExchange

Internet

Managed IP

WARTEL / WARNET

Personal User

Corporate Users

Telepon

Indonesia Luar Negeri

Corporate Users

net Cafe

Personal User

Telepon

FAX FAX

Dalam Bahasa Sederhana ..

Telp Biasa vs. VoIP Hanya satu

penumpang

Banyak Penumpang

Teknologi VoIP sederhana

Internet Telephone

Dialer

Video Conference

Voice Quality Comparison

VoIP Blaster – US$50-an

Internet LineJACK US$99

Infoaccel US$99.95

PCMCIA ShelCad

Solusi Gateway Sederhana

VoiceTronix (8 port)

InfoGate 3010 (4 Port)

iEnsemble! – 8 port

Planet VoIP Gateway

Aplikasi Desktop VoIP IntraNet Communication Remote Call Forwarding Distributed Call Center Virtual PBX Line Doubling Personal Iphone Calling

Personal Iphone Calling

Distributed Call Center

Line Doubling

Isu Quality of Service (QoS) Kekurangan Bandwidth Delay terlalu lama. Jitter / Variasi delay.

QoS Resource Reservation Protocol (RSVP) Real Time Protocol (RTP) Compressed Real Time Protocol (CRTP)

Traffic Shaping Queuing: Custom Queuing, Weighted Fair

Queuing. Congestion Control: Random Early Detection. Effisiensi Jaringan: link fragmentation &

interleaving.

Metoda KompresiKompresi Kbps MIPS ms MOSG.711PCM 64 0.34 0.12

54.1

G.726 ADPCM 32 14 0.125

3.85

G.728 LD-CELP 16 33 0.625

3.61

G.729 CS-ACELP 8 20 10 3.92G.729 x2 Encoding 8 20 10 3.27G.729 x3 Encoding 8 20 10 2.68G.729a CS-ACELP 8 10.5 10 3.7G.723.1 MPMLQ 6.3 16 30 3.9G.723.1 ACELP 5.3 16 30 3.65

WAN QoS-Enabling Tech.

Classification Layer 3 (IP)

IP Precedence; VoIP 5. Differentiated Services Code Point

(DSCP) Layer 2 (MAC) schemes

Voice RTP Voice UDP Voice Port 16383 - 32767

Prioritizing Voice Traffic

Priority Queuing (PQ) Data Traffic

weighted fair queuing (WFQ) class-based weighted fair queuing

(CBWFQ)

Prioritizing

Sharing Akses …

LANGateway

InterNet

Konsep WARNET Konvensional

Mengembangkan Konsep WARNET .. RT/RW-Net Kelurahan Net Mall Net Perkantoran Net Apartemen Net

Sharing Bandwidth Akses Satelit

Downlink rata-rata 1.1-1.5Mbps US$3000-6000 / bulan Rp. 24-48 juta / bulan

Sharing Bandwidth WARNET Rata-2 Rp. 2-3 juta / bulan

Two Way Satellite

Satellite dish Satellite dish

Satellite

Radio tower

InterNet

WARNET

WARNET

WARNET

Share Access Wireless 11Mbps Lokasi rumah Onno W. Purbo

Spesifikasi PC Gateway Pentium 166MHz Memory 64Mbyte Harddisk 2Gbyte VGA Card S3 2Mbyte Running Linux Mandrake 8.0

Spesifikasi Link 24 jam operasional 11Mbps ke Askes Point 256Kbps ke Internet Rp. 330.000 / bulan (500MByte) Tanpa Telkom Sama Sekali

Konfigurasi LAN UTP 10Mbps shared bus Hub bekas (Rp. 75.000 / buah) Tarik kabel UTP ke tetangga Tembok di bor

Wireless 11Mbps PCI Card

2.4Ghz Ant.