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홈네트워킹 기술 및 발전방향

홈네트워킹 기술 및 발전방향. 2003. 5. 16. 박 광 로 krpark@etri.re.kr. 목차. 1 . IT 환경 및 패러다임 변화 2. 홈네트워킹 기술 3. 홈게이트웨이 & 홈서버 4. 디지털 홈 5. 유비쿼터스. IT 환경 및 패러다임 변화. IT 환경 및 패러다임의 변화. 현재의 IT 환경은 인터넷 , 이동통신이 대중화된 IT 생활화 단계 궁극적으로 유비쿼터스 네트워크가 구축된 IT everywhere 단계로 진화 전망

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홈네트워킹 기술 및 발전방향

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  1. 홈네트워킹 기술 및 발전방향 2003. 5. 16. 박 광 로 krpark@etri.re.kr

  2. 목차 1. IT 환경 및 패러다임 변화 2. 홈네트워킹 기술 3. 홈게이트웨이 & 홈서버 4. 디지털 홈 5. 유비쿼터스 Future of IT - KAIST

  3. IT 환경 및 패러다임 변화 Future of IT - KAIST

  4. IT 환경 및 패러다임의 변화 • 현재의 IT환경은 인터넷, 이동통신이 대중화된 IT 생활화 단계 • 궁극적으로 유비쿼터스 네트워크가 구축된 IT everywhere 단계로 진화 전망 - 유비쿼터스(Ubiquitous) 네트워크 : 언제(Anytime), 어디서나(Anywhere), 어느기기(Anydevice)로도 미디어에 구애받지 않고(Anymedia) 경제적이며 편리하게 정보를 교환할 수 있는 환경 Future of IT - KAIST

  5. 정보-통신-가전기술의 융합 • 네트워크 인프라 및 정보화 역량 고도화 정책 필요 TELE- COMMUNICATIONS INFORMATION CONSUMER ELECTRONICS After the Access Network Home Network Infrastructure - Post-PC - Ubiquitous computing - Digital Appliance - Intelligent Home Future of IT - KAIST

  6. Home Environment Activities & Trends Market Activities & Trends 홈네트워크시 장 • Multi-PC households growing in number • Non-PC-oriented segment getting more attractive for Service Providers • All contents are digital => distribution goes to internet * Music * TV-content • Mobile life-style => Connecting people, not places • Remote work • Technology Competition => more choice New Services New Value Chains New Business Models 인터넷 정보가전 시 장 Future of IT - KAIST

  7. 홈네트워킹 기술 Future of IT - KAIST

  8. Requirements for Home Networking • Ease of Use : Unsupervised PnP Connectivity • Guaranteed Privacy and Security • Low Cost • High-Speed Data Rate • Maximized Connectivity for Home Appliances and New Digital Devices • Communicating Capability Everywhere at Home • Maximized Usage of Pre-installed Wires(“no-new-wire”) • A Standardized Construction of New Houses for HN • Traffic Isolation & Different Topology Made Available btw. Access Network and Home Network • Seamless Access btw. Wire and Wireless Network Future of IT - KAIST

  9. Inside the Home: Wireless Phoneline Powerline Coax IEEE1394 Category 5 Wiring Fiber Outside the Home: xDSL Cable Fixed Wireless Satellite Optical Many Technologies Are Being Developed Home Gateway Home Server Future of IT - KAIST

  10. Applications & Value-added Services • Simultaneous Internet Access • Peripheral Sharing • Data and File Sharing • Multi-Player Games • Music distribution • Remote Access • Digital Video Distribution • Home Automation • Security monitoring • Telemedicine • Energy management • e-commerce • Appliance diagnostics and service Future of IT - KAIST

  11. Implementation Affordability First HN Applications Future of IT - KAIST

  12. HomePNA Homepage http://www.homepna.org Future of IT - KAIST

  13. HomePNA • Home Phoneline Networking Alliance • Founded in June, 1998 • 11 Companies : 3Com, AMD, AT&T Wireless, Compaq, Epigram, HP, IBM, Intel, Lucent, Rockwell, Tut • Characteristics of HomePNA • No new wires required • Utilizes de facto standards • Develops certification standards for Interoperability • HomeRun by Tut is commercially available, 1Mbps in 1999 • Chip is available By Broadcom, 10Mbps in 2000 Future of IT - KAIST

  14. What’s New ? • Voice over HomePNA is now available! (Lightweight Telephony Protocol, or LTP) • The first home networking protocol to provide a network-based framework for delivery of up to 8 toll-quality digital telephone lines • Version 3.0 to be released Q4 2002 • High bit rate throughput, robustness and high QoS • Transmit and receive multiple video streams at speeds of up to 100Mbps • Designed as a home networking backbone for the next generation of entertainment applications over standard phonelines Future of IT - KAIST

  15. 1394 TA Homepage http://www.1394ta.org/ Future of IT - KAIST

  16. IEEE 1394 • Consumer Electronics Companies Support As Primary Home Networking Technology • Initially Some Distance Limitations • Best for High Speed Multimedia Traffic • HAVi and VESA Standards • Still Need to Install New Wiring in Home Future of IT - KAIST

  17. Future Standards of IEEE1394 • P1394b • Speed : 800, 1600, 3200 Mbps • Maximum distance between nodes : 100 ~ 800 m • Used plastic fiber cable for Gigabit data transfer rate • Extended PHY/LINK interfaces using 8-bit parallel bus to support higher data rate • P1394.1 • Adopts bridging issues for having more than 63 devices • Wireless 1394 is the application of 1394.1 • Japan : MMAC • Europe : BRAN Future of IT - KAIST

  18. USB Homepage • http://www.usb.org Future of IT - KAIST

  19. USB(Universal Serial Bus) • USB2.0 Product is Commercially Available • USB OTG V1.0 • Dec 18, 2001 • An OTG device may be • A Dual Role Device (DRD) • A peripheral-only device that supports SRP • A peripheral-only device that can be used with a DRD (like a keyboard that doesn’t support SRP) • A Dual Role Device • Supports Host Negotiation Protocol (HNP) • Can acts as host (support full and low-speed, high-speed optional) or peripheral (support full-speed, high-speed optional) • Capable of supplying at least 8mA Future of IT - KAIST

  20. USB Focus on Low Cost, High Volume App. BANDWIDTH DEVICE COST APPLICATIONS ATTRIBUTES STD FEATURE Very Low cost Ease of Use Lots of fanout LOW 10 - 100Kb/s $5-25 1997 Input Devices Control Functions USB 1.1 FULL 200K - 10Mb/s $15-150 1997 Telephony/ Modem Audio, Scanner Low cost Guaranteed latency USB 2.0 HIGH 120 - 480Mb/s $60 - 300 2000+ Entertainment, A/V Imaging High Speed 1394A for CE HIGH 100 - 400Mb/s $100-500 1999 Entertainment, A/V Imaging Peer-to-peer Multiple channels 1394B Gigabit COMPUTE 1+ Gb/s $200-500 1999 Primary Disk Home Backbone Very High bandwidth Fiber capability Future of IT - KAIST

  21. PLC Homepage • http://www.homeplug.org Future of IT - KAIST

  22. Power Line Communication • Advantages • Goes to at least three walls in every room in the house • The ultimate in “No new wires” • All devices requiring wall power (almost all) need no additional external connection • Disadvantages • Interface means are expensive • Safety regulatory requirements key and drive cost • Noise profile on the power line • Extreme environment for data • Data privacy • Interoperability Future of IT - KAIST

  23. Key Technologies of PLC • Bandwidth • Low : 60 bps ~ 10 kbps • Middle : 10 kbps ~ 1 Mbps • High : 1 Mbps ~ 10 Mbps • Key Technologies Front End Skill Channel adaptation(Coupling, Adaptive Filter) 회로 Convolution Code, Reed Solomon Code(iAd) Carrier Chirp, CRC(Intellon, Echelon) Optimized FEC(ITRAN) RS code(Keyin) Zero cross clocked carrier(X10) ZCCC, Carrier Chirp, Convolution, Viterbi(Planet) Channel Coding MODEM Chirped-SS, DS-SS, DS-CDMA, OFDM MAC CSMA/CD(대부분의 회사), Token Passing(A.N) Future of IT - KAIST

  24. Wireless Networking • Most Convenient • Many Flavors: Home RF, 802.11b, Bluetooth • 2-11 Mbps Today, 50 Mbps in 3-4 Years • May Be Best Solution Long Term for Multimedia Distribution • Government Approval of Wireless Networking Bands in Most Countries Future of IT - KAIST

  25. Wireless • Advantages • Supports roaming peripherals • No Wire • Disadvantages • Limited bandwidth • Poor Interoperability - need a true multivendor standard • Physical layer cost • Privacy/Security • Varying impairments of wireless channel Future of IT - KAIST

  26. Wireless Home Network Technologies • HomeRF : SWAP V1.0 (’99.1), V1.1(’99.6) • Bluetooth : Bluetooth V1.0 (’99.7) • IEEE 802.15 / WPAN (’99.3) • Key Issues • Voice traffic added : Enhancement of IEEE 802.11 MAC • Ultra-light, ultra-low power consumption, and low cost at $5.00/device is the target Future of IT - KAIST

  27. Wireless Home Network Technologies Future of IT - KAIST

  28. HomeRF Homepage http://www.homerf.org Future of IT - KAIST

  29. Bluetooth SIG Homepage • www.bluetooth.org, www.bluetooth.com Future of IT - KAIST

  30. WLAN Homepage • http://grouper.ieee.org/groups/802/11/ Future of IT - KAIST

  31. IrDA Homepage http://www.irda.org Future of IT - KAIST

  32. 종류 표준 전송속도 최대전송거리 Home Network의 기술별 비교 Wired HomePNA HomePNA v2.0 1~2/10Mbps 150m USB USB v1.1 12Mbps 30m Ethernet IEEE 802.3 10/100Mbps, 1Gbps 100m(UTP) IEEE1394 IEEE 1394 100~400Mbps 72m 전력선 - ?? 1~2Mbps 100m Wireless Bluetooth Bluetooth v1.0 720Kbps 10m HomeRF SWAP v1.2 1~2Mbps 50m IrDA IrDA v1.3 최대 4Mbps 1m WLAN IEEE 802.11 5.5 ~ 11Mbps 50m Future of IT - KAIST

  33. The Standards making Universe Future of IT - KAIST

  34. DSL VHN [CEA R7.X] CAT5 802.11a 802.11b Bluetooth X10 USB HomePlug IEEE1394 HomeRF HomePNA Lonworks CableHome WPAN PLC Forum Ethernet IrDA CEBus DOCSIS HES TR41.5 UPnP VESA Jini HG 표준 HAVi 미들웨어 표준 WG1 OSGi 유선 표준 무선 표준 홈네트워킹 기술 표준 • 다양하게 존재 Future of IT - KAIST

  35. Who Will Win? Future of IT - KAIST

  36. 홈게이트웨이 & 홈서버 Future of IT - KAIST

  37. Home Connectivity Ring Model Access Network Connectivity Home Network Connectivity Local Bus Connectivity Internel Device Bus (PCI, ISA) (USB, 1394, Bluetooth) (HPNA, SWAP, 802.11, PLC, 1394,Ethernet) (xDSL, Cable, Fixed Wireless, Satellite, PLC, Ethernet, Optic) Future of IT - KAIST

  38. Home Network Connectivity Options PC TV Web Server TV 1 2 NT High Speed Access Network 1 1 Home Network 3 4 5 DVD 5 POTS Video Server Telephone Digital Camera Future of IT - KAIST

  39. Home Network Schematic Network Termination Sweet Home Camera DVD DBS NIU 1394 Firewire Washer Dryer Thermostat xDSL Splitter Telco NT ATU-R AC Power Line Analog Phone Digital Phone Cable Modem RJ11 Phone Wire Cable Splitter RG-6 Coaxial Cable RG Future of IT - KAIST

  40. Home Gateway Connecting WAN and Home LAN UPnP HAVi Jini HWW OSGi 통신기기 유선 가전/RTOS 유선 음성급 HomePNA - Protocol Converter - Bridge - Router - Traffic Isolation - Security - Home Automat. - Energy Manage 오디오 PSTN 비음성급 IEEE1394 영상전화 ISDN 무선 xDSL DTV Home Network Bluetooth DVHS 무선 802.11, 15 STB 이동통신망 HomeRF 디지털냉장고 B-WLL 디지털세탁기 Satellite 전력선통신 X.10 CATV망 정보기기 Cable Modem 원격검침 전자계량기 Internet PC Notebook Home Network Server PDA Scanner Access Network Home Network IA Devices Home Gateway Future of IT - KAIST

  41. Roles of Gateways • Roles • LAN to WAN Conversion : Bridge Functionality • Security : Filtering and Encryption • IP Distribution : Traffic Isolation and Address conversion • Internet Sharing / Media Rerouting • Remote Management • Unsupervised Plug and Play Connectivity • Self configuring, dynamic, automatic mechanism • Plug the device and it works Future of IT - KAIST

  42. Home Gateway Fast Ethernet (WAN) (밑면) HPNA VoIP Switching Hub (밑면) IEEE1394(밑면) ADSL VDSL WLAN (밑면) Bluetooth 보안칩 상태표시 LED Future of IT - KAIST

  43. MPC180 Security Local SDRAM Boot Flash App. Flash Main SDRAM Add. Latch & buffer EPLD Local Bus RJ11 Splitter PCMCIA Bridge UTOPIA WLAN PCI Bridge CPU FCC Signal Mux & Buffer EPLD RJ11 ADSL 1394 VDSL FCC2 HPNA FCC1 MII FE PHY SW RJ45 FE Trans. & Switch FCC3 RJ45 X 4 MII MII Cont. EPLD VoIP UART debugging SMC2 RS232C Connector UART SCC3 BT Interface Module Reset Interrupt Clock JTAG Power Module 하드웨어 블럭도 Future of IT - KAIST

  44. Home Gateway Architecture Home Gateway Access Network Home Network Memory Logic HPNA2.0 RJ11 Home Gateway Processor MII ADSL/ VDSL RJ11 10/100M Ethernet Utopia RJ45 MII 10/100M Ethernet DSP Codec RJ45 RJ11 MII VoIP PCI Bridge WLAN Management Logic USB PCI Bus IEEE 1394 Future of IT - KAIST

  45. WAN LAN SW 스택 응용 서비스 Home Gateway 구성 Future of IT - KAIST

  46. HomePNA/LAN BT/WLAN IEEE1394 PLC Home Server Functions Web browsing on TV Digital Entertainment DTV, DVD, e-Book, Juke-box Internet Sharing MP3, MPEG-4 streaming Home Server Web surfing with your neighbor Remote Home Appliance Control Home Networking Future of IT - KAIST

  47. DTV Receiver Flash Flash Flash DTV Receiver DTV Receiver Flash Flash Flash HDD HDD HDD Mem xDSL xDSL Mem Mem HDD HDD HDD Mem Graphics Mem Mem Graphics Graphics Graphics Graphics Graphics Modem/ Modem/ 100/133 100/133 100/133 100/133 Home Home 100/133 100/133 MHz Audio MHz MHz Audio Audio MHz X86 - Based Audio Gateway Gateway MHz MHz X86 X86 - - Based Based Audio Audio X86 - Based X86 X86 - - Based Based SDRAM Codec SDRAM SDRAM Codec Codec SDRAM CPU Codec SDRAM SDRAM CPU CPU Codec Codec CPU Internet/ Internet/ CPU CPU & Chipset & Chipset & Chipset & Chipset Access Access & Chipset & Chipset Ethernet 1 Ethernet 1 Ethernet 1 Ethernet 1 Ethernet 1 Ethernet 1 Bluetooth Bluetooth PCMCIA Network Network PCMCIA PCMCIA PCMCIA PCMCIA PCMCIA WLAN WLAN Multimedia Multimedia Multimedia Multimedia Multimedia Multimedia IR Receiver IR Receiver IR Receiver IR Receiver CODEC IR Receiver IR Receiver CODEC CODEC CODEC CODEC CODEC COM port Ethernet 2 PLSLTA PLSLTA COM port COM port Ethernet 2 Ethernet 2 COM port Ethernet 2 COM port COM port Ethernet 2 Ethernet 2 IEEE Phone IEEE IEEE Phone Phone IEEE Phone IEEE IEEE Phone Phone Home PNA PLC Home PNA Home PNA PLC PLC 1394 Jack 1394 1394 Jack Jack Home PNA PLC Home PNA Home PNA PLC PLC 1394 Jack 1394 1394 Jack Jack Home Server Hardware Platform Future of IT - KAIST

  48. MM middleware HCS, SIP, USP Control Middleware Jini, HAVi, LonWorks, UPnP OSGi Framework & Bundles JVM (JDK 1.3.1) MM Decoder MPEG 4, MP3, AC3, G723.1 Comm. Protocols RTP, RTCP, RTSP, DHCP, NAT, Firewall Qplus-P/ Library Ethernet/ IEEE1394/ HomePNA/ PLC WLAN / BT DTV H263 codec /MPEG4 Home Server Functional Block Video Conference Video Surveillance SMS (mobile phone, PDA) Web Browser Media Player Remote Control Home Server Hardware Platform Future of IT - KAIST

  49. Home Gateway & Server Convergence Home Gateway Home Server ProtocolTranslation IP Address Manage. PVR NetworkManage. ServiceDeliveryFramework Firewall WebServer Messaging MediaIndexControl Switch Hub Caching VideoDistribution Telephony VideoDecoding Future of IT - KAIST

  50. Home Gateway & Server Universe • Data Routers Linksys, NETGEAR,D-Link,2-Wire • SetopBoxMotorola, Moxi, , Next Level Scientific Atlanta - Telephony CentricUniden, Siemens, Arris • Entertainment BoxesXbox, Sony, Panasonic - PC as ServerM/S, Dell, Compaq • Network ProcessorsIntel, Globespan Virata, Motorola, TI • PHYPlayersWirelessLAN, 1394, Ethernet, HomePlug/PNA • Access SiliconxDSL, Cable, FTTx H/W Silicon HG+ HS • Cable MSOsAOLTW, AT&T/Comcast, Charter, Cox • TelcosSBC, BellSouth, Verizon, DeutscheTelekom, NTT • MediaMusic Companies, Hollywood, Publishing • SatelliteEchostar, Hughes/DirectTV Service/Content S/W • MicrosoftWindowsXP, WindowsCE, .NET • Interactive TV/PVRLiberate, TiVO, OpenTV, SonicBlue • Non-Windows O/SWindRiver VXWorks, Linux, Palm, Proprietary(Virata, etc.) Future of IT - KAIST

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