Title: NGNA ? DOCSIS 3.0 ??
1NGNA ? DOCSIS 3.0 ??
- ????? ??????????
- ??? ??
- sp2996_at_hanyang.ac.kr
- 2006. 6. 13
2??
- NGNA
- NGNA ?? ? ??
- DOCSIS 3.0 ??
- DOCSIS 3.0 ?? ? ??
3NGNA ??
- NGNA (Next Generation Network Architecture) ??
- ??? HFC ?? ????? ???? ??? ??
- ??? 13?? MSO? COMCAST ???, TIME WARNER ???, COX
Communication? PSD Consulting? IP ACTION
Partners?? ??? ??? ?? ??? ?? - NGNA Plan Integrated Multimedia Architecture ??
???? 95? ?? - NGNA PLAN ??
- HFC ??? ?? ????? ??? ?? ????? ??
- ???? NGNA ??? ???
- ??? ???????? ?????? ??? ?? ?? ?? ??? ??
- ??? NGNA ??? HFC ?? ??/?? ?????? ?? ??? ??? ?? ??
4AV ? ??? ???
- ??? ???
- ??? ??? ?? (MPEG-2, H.264MPEG-4, Microsoft
VC-9SMPTE) - Baseline MPEG-2 Transport over QAM
- Extended 1 MPEG-2 Transport multiplexed with
DOCSIS - Extended 2 Video over IP/DOCSIS
5CA
- ???? ???
- NGNA? ???? ???(CAS)? ??, ????? ??????? ???TV?
???? ???? ?? ????? ?? ?? - Cable CARD(??)? Software Downloadable NCSP(NGNA
Configurable Security Processor) ?? ??. - ??? ??? ???TV ??? ?? ?? ??? ???? ???? ??? ? ???
???? ??? ??. - ??? ??? ????? ????? ???? ??? ?? SA? DVR ??? ??? ?
??? ? - Multiple Stream DVR ??
6?? SVD ??
?? SVD ??
Optional SVD ??
- Dual Tuner (NGNA Video ? DOCSIS)
- DOCSIS 2.0 ? W-DOCSIS ??
- MPEG 2 (SD? HD)? H.264 ?? VC-9 ??
- Home Networking
- CableCARD or DCAS
- OCAP
- SD Output
- Up-Stream 1085 Mhz
- Down-Stream 881002 Mhz
- (105Mhz?? ??? ??)
- 1024 QAM ??
- USB-2 Port ??
- HD Output
- ?? ??? ??? ??(HAVI, DVI)??
- Gateway ??
- DVR ?? ??
- Packet Cable ???? ??
7NGNA ?? ? ??
- Cable Labs??? ?? NGNA? ??? DOCSIS 3.0 ??? ?? ??
?? - DOCSIS 3.0? ?? 200Mbps, ?? 100Mbps ??, ???? ???
??? ?? ??, IP???, ?????? ??? ?? ?? ?? ?? - DOCSIS 3.0? ?? NGNA? ?????? ???TV? ??? IP ???? ??
??? ? ??? ?? - 2008???? ??? ?? ??, 100?? ??? ?????? ???? ??? ?
??. - LG??? 2006? 1? CES?? Nagravision? ?? DCAS?? ??.
- 2006? 4?, ??? Scientific Atlanta? NGNA??? ??? Set
Top Box ???. - Advanced OpenCable STB? H.264 ??, DSG??, 1Ghz??
Tune In, CPU? Processing Time ??, Built-In DOCSIS
?. - ????? ETRI ? KETI ??? DCAS? ???? NCSP ?? ?? ?.
8The DOCSIS Roadmap
DOCSIS Version DOCSIS 1.0 DOCSIS 1.1 DOCSIS 2.0 DOCSIS 3.0
Services Services Services Services Services
Broadband Internet Tiered Services VoIP Video Conferencing Commercial Services Entertainment Video X X X X X X X X X X X X X X X
Consumer Devices Consumer Devices Consumer Devices Consumer Devices Consumer Devices
Cable Modem VoIP Phone (MTA) Residential Gateway Video Phone Mobile Devices IP Set-top Box X X X X X X X X X X X X X X
Downstream Bandwidth Downstream Bandwidth Downstream Bandwidth Downstream Bandwidth Downstream Bandwidth
Mbps/channel Gbps/node 40 51 40 51 40 51 160 minimum2 51
Upstream Bandwidth Upstream Bandwidth Upstream Bandwidth Upstream Bandwidth Upstream Bandwidth
Mbps/channel Mbps/node 10 803 10 803 30 1704 120 minimum5 1704
1 Assumes 750MHz of available downstream
spectrum (125 channels) 2 Aggregation of four
6MHz channels. With 256QAM 160 Mbps 3
Assumes 25MHz of useable upstream spectrum 4
Assumes 35MHz of useable upstream spectrum 5
Aggregation of 4 6MHz channels
9DOCSIS 3.0 ???
- ?? Bonding? ?? ?? ?? ???
- ?? ?? 160Mbps, ?? 120Mbps? ????, ?? ?? ??? ? ??.
- ??? 256 ?? 1024-QAM??? ????, ??? 565Mhz ??? ???
??????, S-CDMA??? ?? ??? ?? ? ??. - ??? 6Mhz ???? ???? ??, ??? ????? ??? ? ??? ???.
- ??? 4?? ??? ???? ?? ?? ?? ?? ???? ? ? ??.
- IPv6(DHCHv6)? ?? ???? ??? ??? ???? ?.
- ??? ??? 2? 128? (2128 or 3.4x1038)
- ??? ?? ??
- Multicasting ?? (IGMPv3), Service Roaming,
Committed Bit Rate, Video Phone, IP-STB, ???
??(AES, ??? ???? ?)
10M-CMTS Edge-QAM Interfaces
11DOCSIS 3.0 CM ??? ???
12??
- DOCSIS 3.0? M-CMTS? NGNA? ??????? ? ??? ???.
- 2007? ???? ??? DOCSIS 3.0???? ??? ??? ??.
- 2005? Arris?? 100Mbps W-DOCSIS ?????? ?? BcN 1?
?????? ?? ??. - DOCSIS 3.0? ??? ??? ??? ???? ???? ? ?? ??? ???,
1-Gbps ????? ??? ? ?? ??? ???? ??. - ?????? FTTH ???? ??? ???? ?? ??? ??.
- DOCSIS 3.0? NGNA? IP??? ??? ??? ?? ?? ???? ? ???
??.