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Ppt voip-vsat-3-2002

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Ppt voip-vsat-3-2002

  1. 1. VSAT & VoIP Onno W. Purbo Onno@indo.net.id
  2. 2. Fokus Pembicaraan .. VSAT IP VoIP Share Akses (kalau ada waktu) …
  3. 3. VSAT
  4. 4. Spesifikasi .. Antenna Kecil < 1 meter s/d 3 meteran Frekuensi Umumnya C-Band (4-6GHz) Kalau berani mencoba Ku-Band
  5. 5. Aplikasi Receive Only Transmit / Receive
  6. 6. 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
  7. 7. Konvensional DVB 1.5Mbps Satellite Satellite dish Satellite dishWARNET InterNet 33.6Kbps melesat.net
  8. 8. PC DVB Card
  9. 9. 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
  10. 10. Konfigurasi VSAT Point To Point (SCPC) Point To Multipoint (TDM-TDMA) On Demand (DAMA)
  11. 11. Single Channel Per Carrier
  12. 12. SCPC Bandwidth
  13. 13. TDM-TDMA
  14. 14. TDM-TDMA Bandwidth
  15. 15. Demand Assigned MultipleAccess (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.
  16. 16. Inti VSAT IP Tambahkan Router dibelakang modem VSAT
  17. 17. VoIP
  18. 18. Model Usaha VoIP Corporate Users FAX Minute Exchange FAX Corporate Users Internet ITSPWARTEL / WARNET net Cafe ITSP Managed IP Personal User Personal User Indonesia Luar Negeri Telepon Telepon
  19. 19. Dalam Bahasa Sederhana ..
  20. 20. Telp Biasa vs. VoIP Hanya satu  Banyak Penumpang penumpang
  21. 21. Teknologi VoIP sederhana
  22. 22. Internet Telephone
  23. 23. Dialer
  24. 24. Video Conference
  25. 25. Voice Quality Comparison
  26. 26. VoIP Blaster – US$50-an
  27. 27. Internet LineJACK US$99
  28. 28. Infoaccel US$99.95
  29. 29. PCMCIA ShelCad
  30. 30. Solusi Gateway Sederhana
  31. 31. VoiceTronix (8 port)
  32. 32. InfoGate 3010 (4 Port)
  33. 33. iEnsemble! – 8 port
  34. 34. Planet VoIP Gateway
  35. 35. Aplikasi Desktop VoIP IntraNet Communication Remote Call Forwarding Distributed Call Center Virtual PBX Line Doubling Personal Iphone Calling
  36. 36. Personal Iphone Calling
  37. 37. Distributed Call Center
  38. 38. Line Doubling
  39. 39. Isu Quality of Service (QoS) Kekurangan Bandwidth Delay terlalu lama. Jitter / Variasi delay.
  40. 40. 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.
  41. 41. Metoda KompresiKompresi Kbps MIPS ms MOSG.711PCM 64 0.34 0.125 4.1G.726 ADPCM 32 14 0.125 3.85G.728 LD-CELP 16 33 0.625 3.61G.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
  42. 42. WAN QoS-Enabling Tech.
  43. 43. 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
  44. 44. Prioritizing Voice Traffic  Priority Queuing (PQ) Data Traffic  weighted fair queuing (WFQ)  class-based weighted fair queuing (CBWFQ)
  45. 45. Prioritizing
  46. 46. Sharing Akses …
  47. 47. Konsep WARNET KonvensionalLAN InterNet Gateway
  48. 48. Mengembangkan Konsep WARNET .. RT/RW-Net Kelurahan Net Mall Net Perkantoran Net Apartemen Net
  49. 49. 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
  50. 50. Two Way Satellite WARNET InterNetWARNET Satellite WARNET Radio tower Satellite dish Satellite dish
  51. 51. Share Access Wireless11Mbps Lokasi rumah Onno W. Purbo
  52. 52. Spesifikasi PC Gateway Pentium 166MHz Memory 64Mbyte Harddisk 2Gbyte VGA Card S3 2Mbyte Running Linux Mandrake 8.0
  53. 53. Spesifikasi Link 24 jam operasional 11Mbps ke Askes Point 256Kbps ke Internet Rp. 330.000 / bulan (500MByte) Tanpa Telkom Sama Sekali
  54. 54. Konfigurasi LAN UTP 10Mbps shared bus Hub bekas (Rp. 75.000 / buah) Tarik kabel UTP ke tetangga Tembok di bor
  55. 55. Wireless 11Mbps PCI Card
  56. 56. 2.4Ghz Ant.

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