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Scott Jordan Department of Computer Science University of California, Irvine Regulatory Models and Layering Current Regulatory Models Telephone Cable TV Internet Cell Phone Content (OSI Content (OSI Content (OSI Content (OSI layer 7)

  1. Scott Jordan Department of Computer Science University of California, Irvine Regulatory Models and Layering

  2. Current Regulatory Models Telephone Cable TV Internet Cell Phone Content (OSI Content (OSI Content (OSI Content (OSI layer 7) layer 7) layer 7) layer 7) Applications Applications Applications Applications (OSI layers 5-7) (OSI layers 5-7) (OSI layers 5-7) (OSI layers 5-7) Information services TCP (OSI 4 TCP (OSI 4 TCP (OSI 4 TCP (OSI 4 transport) transport) transport) transport) IP (OSI 3 network) IP (OSI 3 network) IP (OSI 3 network) IP (OSI 3 network) LAN-link (OSI 1 LAN-link (OSI 1 LAN-link (OSI 1 LAN-link (OSI 1 Communication physical, OSI 2 data physical, OSI 2 data physical, OSI 2 data physical, OSI 2 data services link ) link ) link ) link ) 2

  3. convergence Telephone network Cell phone networks Internet Everything-Over-IP Internet Cable tv networks 3

  4. Confusion: Open Internet Content (OSI layer 7) Skype Applications (OSI layers 5-7) offering VoIP Cox offering VoIP using priority service Competition TCP (OSI 4 transport) reliant on What is a “specialized availability service”? of QoS IP (OSI 3 network) Cox offering priority service ?? LAN-link (OSI 1 physical, OSI 2 data link ) 4

  5. Confusion: Wireless Networks Content (OSI layer 7) Applications (OSI layers 5-7) What is different about TCP (OSI 4 transport) wireless networks? IP (OSI 3 network) LAN-link (OSI 1 physical, OSI 2 data link ) 5

  6. Confusion: Universal Service Content (OSI layer 7) Phone service is assessed What should be assessed? Applications (OSI layers 5-7) What should be subsidized? TCP (OSI 4 transport) What is broadband? IP (OSI 3 network) Funds subsidize infrastructure LAN-link (OSI 1 physical, OSI 2 data link ) 6

  7. Confusion: Video Service Content (OSI layer 7) How to treat Video over Applications (OSI layers 5-7) over-the-top the top providers? How to TCP (OSI 4 transport) guarantee right to use any device? IP (OSI 3 network) LAN-link (OSI 1 physical, OSI 2 data link ) 7

  8. Layering: barriers to entry Content (OSI layer 7) Many providers due to low barrier-to-entry Applications (OSI layers 5-7) Innovation TCP (OSI 4 transport) IP (OSI 3 network) Few providers due to high barrier-to-entry LAN-link (OSI 1 physical, OSI 2 data link ) 8

  9. Layering: Open Internet Content (OSI layer 7) Skype Applications (OSI layers 5-7) offering VoIP Cox offering TCP (OSI 4 transport) VoIP using priority service Require open interface to lower layer QoS IP (OSI 3 network) Cox offering priority service ?? LAN-link (OSI 1 physical, OSI 2 data link ) 9

  10. Layering: Wireless Networks Content (OSI layer 7) Applications (OSI layers 5-7) not here What is different about TCP (OSI 4 transport) wireless networks? IP (OSI 3 network) Wireless networks LAN-link (OSI 1 physical, OSI 2 data link ) are different here 10

  11. Layering: Universal Service Content (OSI layer 7) Phone service is assessed What should be assessed? Applications (OSI layers 5-7) What should be subsidized? TCP (OSI 4 transport) What is broadband? IP (OSI 3 network) Assess and subsidize Funds subsidize infrastructure network infrastructure LAN-link (OSI 1 physical, OSI 2 data link ) 11

  12. Layering: Video Service Content (OSI layer 7) How to treat Video over Applications (OSI layers 5-7) over-the-top the top providers? How to TCP (OSI 4 transport) guarantee right to use any device? IP (OSI 3 network) Service provider may only control communications services of devices between demarcation point and gateway LAN-link (OSI 1 physical, OSI 2 data link ) 12

  13. Reclassification for Everything-over-IP Content (OSI layer 7) Information services Applications (OSI layers 5-7) TCP (OSI 4 transport) Right IP (OSI 3 network) Wrong Communication services LAN-link (OSI 1 physical, OSI 2 data link ) 13

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