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Peter Cochrane

Voice Over IP. Peter Cochrane. Changes will be mega-destructive… BlueTooth Ultra Wideband WiFi + WiMax MP3 Voice Over Internet Protocol (VOIP) Radio Frequency Identification (RFID) Blogs & Video Blogs …are only the start.

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Peter Cochrane

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  1. Voice Over IP Peter Cochrane

  2. Changes will be mega-destructive… • BlueTooth • Ultra Wideband • WiFi + WiMax • MP3 • Voice Over Internet Protocol (VOIP) • Radio Frequency Identification (RFID) • Blogs & Video Blogs • …are only the start

  3. We can only guess/imagine whatour networks will be expected to support in the next decade/s…and it is the customers who decide and not the companies Peter Cochrane 1995

  4. 1 2 3 4 n Network Laws - Broadcast Connectivity =< n/2 One way only Not all are always on

  5. 1 2 1 2 5 3 4 3 4 n Network Laws - Telephone Broadcast < n(n-1)/2 ~n2 Bothways - Customer Control Availability >99% < n/2

  6. 1 1 1 2 2 2 3 5 4 3 5 3 4 4 N n 1 2 …n Network Laws-Internet Broadcast Telephone Nn Always - customer control Availability >95% < n/2 < n(n-1)/2 ~n2

  7. How many friends do you have… ...how many people do you know? Separation People You Know 0 => 30 => 300 1 => 900 => 90,000 2 => 27,000 => 27,000,000 3 => 810,000 => 8,100,000,000 4 => 24,300,000 5 => 729,000,000 6 => 21,870,000,000

  8. The Telephone Network Dedicated point to point connections based on old analogue technologies spanning >100 years Reliable, dependable, well developed, well understood, but limited and in decline

  9. From fixed line to…. …..Mobile From talk to…..Text

  10. PSTN v Packet Switched (IP - VOIP) Space Millions Cellular Mobile Customers 1,400 1,200 1,000 800 600 400 200 0 Fixed Line Phones 1Bn WEB Mobile Phones A dying circuit switched network A growing IP network PC's on Line VOIP Mobile Devices 1996 1997 1998 1999 2000 2001 2002 2004 2005 2003 2005

  11. Analogue Analogue Digital Telephone Basics Local Region National International Switches Gateway X X X X X X X X X X

  12. IP - Packet Switched Networks Router/Switch R R Server S R R S Packetsof bitsinserial transmission R R Packetsarrivein wrong order&have tobereassembled correctly R R

  13. Voice Over Packet Switched Networks(VOIP) -Telephone -Mobile -Headset Router/Switch R R Server S R R S R R R R

  14. Telco VOIP -Telephone -Mobile -Headset Server Router S R X R S Nailed Down Routers & Switches

  15. Circuit to Packet …. Cost Reduced to 10%

  16. Death to the PBX? Mobile/ PDA WiFi/BlueTooth VOIPGateway PBX X PSTN Circuit Switched Network Internet Intranet

  17. A world of opportunity & risk…. Thank you, cochrane.org.uk conceptlabs.net

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