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ntl:Telewest RFI response

ntl:Telewest RFI response. Dick Willson. Market Dynamics. ntl Access Network. L4. < 1 km. Copper. cross. -. connect. To core network. “Siamese Twin” cable. Level 4 Cabinet. Access. fibre rings. Level 3 Telco Cabinet. L3. Telco. TV + POTS & xDSL. Cabinet. Multi-pair Cable.

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ntl:Telewest RFI response

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  1. ntl:Telewest RFI response Dick Willson

  2. Market Dynamics

  3. ntl Access Network L4 < 1 km Copper cross - connect To core network “Siamese Twin” cable Level 4 Cabinet Access fibre rings Level 3 Telco Cabinet L3 Telco TV + POTS & xDSL Cabinet Multi-pair Cable Level 4 Cabinet Hub Site Access fibre Multi-pair “Siamese Twin” drop Cable network Fibre to the Fibre to the building building “Siamese twin” Cable = Coax + Copper twisted pairs drop cables

  4. Technology Coverage vs Speed in UK Siamese twin cable 200x DOCSIS Cable Speed VDSL2 FTTx ?? DOCSIS 200x xDSL Copper twisted pairs Wix ?? DSM 2005 2005 Distance from CO & Population Coverage Source: Ofcom, modified by Dick Willson

  5. Total Q4 '05 add Q1 '06 Broadband USA Q1 '06 10,000,000 Comcast 9,000,000 DSL Cable 8,000,000 7,000,000 Verizon 6,000,000 Private Cable Companies 5,000,000 4,000,000 Subscribers Charter 3,000,000 ntl:Telewest Cablevision Qwest 2,000,000 Covad Mediacom Century Tel 1,000,000 0 -1,000,000 AT&T Sprint Insight ALLTEL Adelphia BellSouth Cable One Time Warner Cincinnati Bell Service Providers Source: Leichtman Research

  6. Hiromichi Shinohara, NTT's director of access network service systems labs, keynote speaker at 5th annual FTTH Conference & Expo 2006 2007 Source: The Impact and Implications of the Growth in Residential User-to-User Traffic Residential Broadband in Japan 2008

  7. Evolution Strategy

  8. Distribution Fiber ONT STB DVR Splitter Feeder Fiber EPON + CATV Single Mode Single Fibre Drop FTTP EPON Siamese Twin Drop POTS/ADSL2+ / VDSL2 over Copper FTTP Point-to-Point Ethernet over Fiber Modem STB DVR Feeder Fiber Copper twisted pairs Evolution of the access network – exploit the existing twisted pairs in the ‘Siamese twin” drop cable Central Office Customer Premise Outside Plant Services “Siamese twin” drop cable POTS/ADSL2+ / VDSL2 over Copper FTTN/C Video Services Feeder Fiber Coaxial Cable Drop Ethernet-over-Coax Modem STB DVR Metro Ethernet Voice Services Application Services Data Services

  9. Japan Plan 998 3.612MHz 3.3 113kHz 1.45 13.067 6.1 11.9MHz US2 DS2 US1 DS3 US3 DS1 US0 138kHz 25 3.75 5.2 8.5 12MHz 18 30MHz CO FTTC FTTB FTTN FTTN Tone Tone Tone Tone Tone Tone Tone Tone Tone Tone Frequency ITU G.993.2 – VDSL2 Jigsaw US0

  10. 50000 45000 40000 35000 30000 Speed Mbps 25000 20000 15000 10000 500m 5000 0 0 300 600 900 1200 1500 1800 2100 2400 2700 3000 Test Description: TestRVR Modem Description: Tecom (9.1.11) Card Type: VDSL24A TN-130-A (Rev G) SW Ver: cfc24_9.0.0.ALPHA.20060905.tar Target SNR Margin: 8 dB Opt US: OFF Distance ft Upstream Downstream VDSL24 Rate vs Reach – with Telcom modem

  11. 500m 30000 25000 20000 Speed kbps 15000 10000 5000 0 0 2000 4000 6000 8000 10000 12000 14000 16000 18000 Test Description: TestRVR Modem Description: RG634A Card Type: VDSL24A TN-130-A (Rev D) SW Ver: cfc24_9.0.0.ALPHA.20060731.tar Target SNR Margin: 8 dB Opt US: EU-32 Distance ft Upstream Downstream VDSL24 in ADSL mode – RG634A modem

  12. Satellite Dish DLC POTS ntl:Telewest Access Network ArchitectureTriple Play via the “Siamese twin” cable Router Broadcast Video CM CM Internet CMTS DOCSIS CM CM CM CM SDH Transport Siamese Twin cable PSTN Aggregation Network Services Core Network Access Network Customer Premise

  13. Coax Siamese Twin Drop EoC Virtual Fibre MSAN EoC MSAN POTS xDSL xDSL ntl:Telewest Access Network ArchitectureExpanding the High Speed subscriber base via xDSL & EoC Internet Core MPLS/IP Router Broadcast Video CM CM VoIP CMTS DOCSIS CM CM Protected 10 x GbE rings CM CM Siamese Twin cable IP TV Video Aggregation Network Services Core Network Access Network Customer Premise

  14. Satellite Dish Multicast IPVideo POTS MSAN xDSL xDSL xDSL Local Loop Unbundling ntl:Telewest Access Network ArchitectureExpanding the subscriber base via LLU Broadcast Video CM CM Internet CMTS DOCSIS CM CM CM CM Core MPLS/IP Router Siamese Twin cable VoIP MSAN POTS xDSL xDSL Protected 10 x GbE rings IPTV Video Aggregation Network Services Core Network Access Network Customer Premise

  15. xDSL Multicast IPVideo ONU MSAN EPON ONU Splitter xDSL ONU MSAN microMSAN Protected GbE rings xDSL Aggregation Network Services Core Network Access Network Customer Premise NextGen Access Network ArchitectureComplementing copper with fibre Satellite Dish Broadcast Video CM CM CMTS DOCSIS CM CM CM Internet CM POTS Core MPLS/IP Router MSAN xDSL xDSL VoIP Protected 10 x GbE rings IP TV Video

  16. Distribution Fiber ONT STB DVR Splitter Feeder Fiber EPON + CATV Single Mode, Single Fibre Drop FTTP EPON Siamese Twin Drop POTS/ADSL2+ / VDSL2 over Copper FTTP Point-to-Point Ethernet over Fiber Modem STB DVR Feeder Fiber Copper twisted pairs Evolution of the access network – migrate to “new” fibre + copper twisted pairs “Siamese twin” drop cable Central Office Customer Premise Outside Plant Services Fibre “Siamese twin” drop cable POTS/ADSL2+ / VDSL2 over Copper FTTN/C Video Services Feeder Fiber EPON + CATV Single Mode Single Fibre Drop Modem STB DVR Metro Ethernet Voice Services Application Services Data Services

  17. 2,880 subscribers 1 96 subscribers 1 ENS 9100 GbE 1 Virtual Fibre 100BaseT EAM ENM 1 6 30 EMT 100BaseT EOW 8 POTS & VDSL2 12 Coax Siamese Twin Customer Service Area via miniMAP9100 ENSHFC “Virtual Fibre”

  18. ENS Coax Siamese Twin 9100 POTS & VDSL2 30 x !00BaseT EttH in HFC architecture with Virtual Fibre

  19. Customer Service Area via miniMAP9100 ENSFibre to “Last Amplifier” 2,880 subscribers 1 96 subscribers 1 ENS GbE 1 9100 Eth + CATV 100BaseFX 1 EMT CWDM EAM 6 30 100BaseT EOW POTS & VDSL2 12 8 Coax Siamese Twin

  20. Fibre 100FX Eth + CATV CWDM 9100 POTS & VDSL2 Coax Siamese Twin EttH in HFC architecture with -Fibre + Coax Siamese Twin” drop

  21. Thank You • Please visit us online at www.alliedtelesis.com

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