Trends in Home Networking 2003. 6. 27. 박광로 krpark@etri.re.kr www.etri.re.kr
목차 1. Ubiquitous Networking 2. Home Networking Technologies 3. Digital Home KRNET 2003 2
Ubiquitous Networking KRNET 2003 3
유비쿼터스환경 유 / 무선망, 고정 / 이동망, 방송 / 통신망등다양한종류의망들이하나로연결되고, 칩과센서등이내장된많은종류의인간계및환경계 ( 기기및사물 ) 가 Seamless 하게연결되어활용되는환경 어디에있어도네트워크, 단말및콘텐츠를자유롭게의식하지않고스트레스없이안심하고사용할수있는신개념의통합시스템환경 IT 환경의변화 : Digital Convergence 편재 ( 偏在 : 치우침, 하나 ) 에서편재 ( 遍在 : 광범위, 전부 ) 로 KRNET 2003 4
유비쿼터스네트워크 KRNET 2003 5
Ubiquitous Networking in U.S.A. Easy Living by Microsoft (http://www.research.microsoft.com/easyliving) Cooltown by Hewlett Packard (http://cooltown/dev/wpapers/webpres/webpresence.asp) Smart Dust by UC Berkeley Things that think by LIT Media Lab. Oxygen by MIT Computer Science Lab. Aura by CMU (Carnegie Melon University) Portolano by Washinghton University Pervasive Computing by IBM KRNET 2003 6
Ubiquitous Networking in Europe Disappearing Computing Initiative (EU) Smart It by Germany and Finland Paper++ by Kings College and HP Research in England, Anitra in Germany, Federal research Lab. in Switzerland, Arjo Wiggins in France Grocer by Navara University in Spain 2Wear by EU KRNET 2003 7
Ubiquitous Networking in Japan TRON (The Real-time Operating System Nucleus) The real-time embedded system etron Real-Time Light Weight Security: etron-id T-Engine for Middleware Open Architecture Immediate Manufacturing Immediate Implementation Immediate Utilization μ-engine n-engine KRNET 2003 8
유비쿼터스네트워크기술요소 Broadband 환경 : 고화질의동영상위주서비스 Mobile 상태로상시접속 Barrier Free 인터페이스 ( 사용자친화형 Ease of Use) IPv6 RFID : 정보축적및정보발신기능을가지는극소의칩 수밀리미터에서분말형태 KRNET 2003 9
Broadband 환경 Ubiquitous computing 이가능하기위해서는다양하고풍부한정보를전달할수있는광대역망이필수적 모든네트워크에서대용량백업이실행되어스트레스없는유연한통신환경이널리보급 유무선통합, 통신방송의융합 Broadband 화로유통콘텐츠의대용량화 일본의 e-japan 전략 (2001.5) 5 년이내세계최첨단의 IT 국가목표 2005 년까지 30~100Mbps 수준의초고속접속인프라구축및저렴한요금으로공급 : 2005 년까지 FTTH 도월 5 만원대예측 (NRI 노무라총합연구소 ) 3 천만세대가콘텐츠 / 천만세대가대용량영상데이터다운로드가능 KRNET 2003 10
Mobile 과상시접속 Mobile 기기 PC, 휴대전화, 휴대정보단말기 (PDA), 비디오게임기, 카네비게이션단말기, 정보가전기기가 IPv6 로접속 네트워크접속기기의증대 이동단말기통신 2GHz IMT-2000 상용서비스 : 384~2Mbps (NTT 도코모, 2001.10) 5GHz MMAC 이동통신의 20% 상용서비스 : 20~25Mbps (2005) 휴대전화는스마트폰으로고기능화 무선기술의고속화 1M BT 1.0 -> 10M BT 2.0(2003) 무선랜의고속화 Hot Spot : 휴대전화사업자와의경쟁 KRNET 2003 11
Barrier Free 인터페이스 콘텐츠의양방향 Seamless 환경구축 사용자와네트워크관계성의다양화 이용자의인터페이스고도화 어린이, 노약자, 장애인을위한 ease-of-use 카서버, GPS 를이용한카네비게이션 2005 년의차량은차량탑재용무선데이터통신시스템인텔레메틱스시스템화 KRNET 2003 12
IPv6 IPv4 Address : 43 억개 IPv6 Address : 100 조 X100 조 X340 억개 IPv6 와정보가전에의한신규홈네트워크사회? IPv6 로개척하는새로운사회와신규비즈니스? RFID Tag 센서 쌀알보다작은 IC 칩 : 수엔에보급예정 홈시큐리티, 교통상황감시, 물건 / 수리부품의추적과상태감시등에활용가능 KRNET 2003 13
현재네트워크개념도 KRNET 2003 14
유비쿼터스네트워크개념도 KRNET 2003 15
Current Status of Ubiquitous Networking Always Connected: Yes, partially Technology: PCS, EV-DO, and IMT-2000 Shall support roaming: Yes. Soft Hand-Over Shall support mobility: Yes up to 140km/hour Shall support seamless connections: Yes for voice only Shall support real-time discovery and control of devices: No Shall support barrier-free interfaces: Yes, partially Broadband Network: No! Minimum 30Mbps per dwelling: No! It is evolving AV supportability for VOD and Audio Streaming: No! Every Device in one Network IPv6: No. It is evolving RFID Tags: No. It just started, and still isolated Sensor Networks: No. They are totally isolated KRNET 2003 16
Technologies for Ubiquitous Networking Always Connected : Requires Wireless and Wired Networks Shall support roaming: 3G and 4G Shall support mobility: Mesh Networks and Mobile IP Shall support seamless connections: Fast Hand-Off for WPAN Shall support real-time discovery and control of devices Shall support barrier-free interfaces Broadband Network VDSL : 26Mbps per dwelling FTTH : 155Mbps per Home Every Device in one Network IPv6: High-End Devices RFID Tags: Low-End Devices, Animals, and Products Sensor Networks: 802.15.4 Zigbee for Monitoring and LBS KRNET 2003 17
Wireless Technologies for U-Networking IEEE802.11 WLAN IEEE802.11a/b/g/e/f/h/I/j/k, HT-SG, WNG IEEE802.15 WPAN IEEE802.15.1 Bluetooth IEEE802.15.3 High Data Rate WPAN IEEE802.15.3a UWB IEEE802.15.4 Zigbee IEEE802.16 WMAN IEEE802.16, 16a, 16e (Mobility for WMAN) IEEE802.20 MBWA(Mobile Broadband Wireless Access) Supports mobility for upto 250 Km per hour. IEEE1451.1/2/3/4/5 (TEDS: Transducer Electronic Data Sheets and their Wireless Sensor Networks) KRNET 2003 18
유비쿼터스서비스 사용자가원하는것은영상, 음악보다는언제, 어디서나, 저비용의의료복지, 교통환경, 교육, 보육등생활밀착형서비스 안심한삶을영위할수있도록개인의불안과고민해소에초점 건강, 사회보장, 환경, 교육, 고용, 소득, 3Dirty 치안, 안전, 의료복지, 식품이력및안정성 건강관리 : 생활습관성, 만성, 재택건강관리 (Smart shirts). 의료이력, 원격검진교육관리 : 지역교육, 평생교육, 고등교육 ( 사이버대학 ) 교통 / 이동관리 : Ubiquitous ITS/TDM, Navigation, Location, 자동요금징수환경관리 : 환경 Telemetering, 환경 Forecasting, Recycling 고용관리 : 고용수급중개, 취업능력향상 (e-learning) 국토관리 : 국토보전, 삼림보전재고 / 유지관리 : 유통업, 물류업등서비스토털 KRNET 2003 19
Home Networking Technologies KRNET 2003 20
Many Technologies Are Being Developed Inside the Home: Wireless Phoneline Powerline Coax IEEE1394 Category 5 Wiring Fiber Outside the Home: xdsl Cable Fixed Wireless Satellite Optical KRNET 2003 21
HomePNA Homepage http://www.homepna.org KRNET 2003 22
HomePNA Home Phoneline Networking Alliance : Founded in June, 1998 Characteristics of HomePNA Satellite & Wireless Service No new wires required, Utilizes de facto standards Develops certification standards for Interoperability KID S BEDROOM Web Browser Broadband Access MASTER BEDROOM Streaming MP3 Player IP Videophone IP MPEG Video STUDY Web Browser v.90 Internet Access Cable Service Provider Broadband Gateway Local Telephone Provider Terrestrial Digital Broadcast IP Telephone IP Video Phone KITCHEN Digital Set-top Box Integrated Web Browser IP Video Phone LIVING ROOM Standard Telephone GARAGE Broadband Home Network 10 Mbps and beyond Standard Telephone Wiring KRNET 2003 23
HomePNA V3.0 Characteristics Transmission Speed : 100Mbps Used Band: 13 ~ 28 MHz Transmission Distance : 1,000 feet(300 m) Modulation : OFDM Carrier Frequency : 20.5 MHz Bandwidth : 15 MHz Number of Subcarriers: 256 MAC: IEEE 802.3 CSMA/CD Issues Spectral incompatibility with VDSL(120 KHz - 30 MHz) Korean home does not provide full connectivity over premises Does not provide Ubiquitous Networking Environment KRNET 2003 24
1394 TA Homepage http://www.1394ta.org/ KRNET 2003 25
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 KRNET 2003 26
Now and Future Standards of IEEE1394 P1394b : Finalized in 4Q2000 Speed : 800, 1600, 3200 Mbps Maximum distance between nodes : 100 ~ 800 m Used plastic fiber cable for Gigabit data transfer rate Loop is allowed by loop-breaking mechanism Extended PHY/LINK interfaces using 8-bit parallel bus to support higher data rate P1394.1 : finalized in 1Q2001 Adopts bridging issues for having more than 63 devices Wireless 1394 is the application of 1394.1 Japan : MMAC Europe : BRAN KRNET 2003 27
IEEE1394 Now IEEE1394 (FireWire, I.Link) is the industry standard for digit al AV connectivity and CE-PC convergence 1394 cluster Home office 1394 cluster 1394 cluster Bedroom Living room KRNET 2003 28
Wireless 1394 over IEEE802.11 Legacy WLAN 1394 cluster 1394 cluster Bedroom Wireless 1394 Home office 1394 cluster Wireless 1394 provides the consumers with a fully con nected digital home without new wires Living room KRNET 2003 29
USB Homepage http://www.usb.org KRNET 2003 30
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 KRNET 2003 31
USB Focus on Low Cost, High Volume App. BANDWIDTH DEVICE COST APPLICATIONS ATTRIBUTES STD FEATURE USB 1.1 LOW 10-100Kb/s FULL 200K - 10Mb/s $5-25 $15-150 Input Devices Control Functions Telephony/ Modem Audio, Scanner Very Low cost Ease of Use Lots of fanout Low cost Guaranteed latency 1997 1997 USB 2.0 HIGH 120-480Mb/s $60-300 Entertainment, A/V High Speed 2000+ Imaging 1394A for CE HIGH 100-400Mb/s $100-500 Entertainment, A/V Imaging Peer-to-peer Multiple channels 1999 1394B Gigabit COMPUTE 1+ Gb/s $200-500 Primary Disk Home Backbone Very High bandwidth Fiber capability 1999 KRNET 2003 32
PLC Homepage http://www.homeplug.org KRNET 2003 33
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 KRNET 2003 34
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 Coding MODEM MAC 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) Chirped-SS, DS-SS, DS-CDMA, OFDM CSMA/CD( 대부분의회사 ), Token Passing(A.N) KRNET 2003 35
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 KRNET 2003 36
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) 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 KRNET 2003 37
HomeRF Homepage http://www.homerf.org KRNET 2003 38
Bluetooth SIG Homepage www.bluetooth.org, www.bluetooth.com KRNET 2003 39
WLAN Homepage http://grouper.ieee.org/groups/802/11/ KRNET 2003 40
IrDA Homepage http://www.irda.org KRNET 2003 41
IEEE802.15.3 and 15.4 Comparisons IEEE802.15.3(High Rate WPAN) High Rate WPAN advanced multimedia QoS low cost (low complexity) simplicity of use long battery life adequate data rate and spatial capacity a scalable security platform Target market STB, Multimedia Mass Storage and other A/V stack appliances Digital Camcorder/Still Camera, TVs, Monitors, LCD Projectors, Printer, Kiosk PC, Cell Phones, PDAs IEEE802.15.4 (Zig-Bee) Low Rate WPAN ease of installation reliable data transfer short-range operation extremely low-cost a reasonable battery life a simple and flexible protocol Target market Home Networking Automotive Networks Industrial Networks Interactive Toys Remote Metering KRNET 2003 42
Home Network 의기술별비교 종류 표준 전송속도 최대전송거리 HomePNA HomePNA v2.0 1~2/10Mbps 150m Wired USB Ethernet USB v1.1 IEEE 802.3 12Mbps 10/100Mbps, 1Gbps 30m 100m(UTP) IEEE1394 IEEE 1394 100~400Mbps 72m 전력선 -?? 1~2Mbps 100m Bluetooth Bluetooth v1.0 720Kbps 10m Wireless HomeRF SWAP v1.2 1~2Mbps 50m IrDA IrDA v1.3 최대 4Mbps 1m WLAN IEEE 802.11 5.5 ~ 11Mbps 50m KRNET 2003 43
홈네트워킹기술표준 다양하게존재 HG 표준 미들웨어표준유선표준무선표준 DSL 802.11b CAT5 802.11a Bluetooth USB X10 HomePlug IEEE1394 HomeRF Lonworks HomePNA CableHome PLC Forum Ethernet WG1 CEBus IrDA DOCSIS HES TR41.5 UPnP VESA Jini OSGi HAVi VHN [CEA R7.X] WPAN KRNET 2003 44
Digital Home KRNET 2003 45
디지털홈개념 개인의 Life Style 을풍요롭게하는다양한디지털홈서비스를누구나원하는기기로 시간과장소에구애받지않고제공받을수있는미래지향의가정환경 편리한삶 원격검침 원격의료 방범방재 안전한삶 원격교육 위성망 전자민원 홈네트워크 지상파 개인정보관리 Anyone 방송망 케이블망 Anydevice 홈뱅킹 Anytime 대화형 DTV 이동망 Anywhere 초고속망 홈쇼핑 즐거운삶 네트워크게임 Anymedia Anyservice 에너지관리 경제적삶 KRNET 2003 46
디지털홈구성 디지털홈구현을위한핵심장치 : 홈게이트웨이 / 홈서버 액세스망과댁내망을접속 가정의다양한기기들을인터넷에연결 다양한서비스를가정에제공하기위한연결통로 Light FAN Web PAD 편재형서비스 이동통신단말 사이버오피스 영상감시용 Bluetooth Camera 이동정보서비스 Web PAD 통합리모콘용 PDA 주방기기 주방기기 / 에너지제어관리서비스 보안탐지기 액세스망 Satellite xdsl CATV OPTIC 홈게이트웨이홈서버 홈네트워크 HPNA 무선 IEEE1394 Ethernet 전력선 PLC DTV IEEE1394 Camera 홈에듀테인먼트 Digital Audio DVCR Game KRNET 2003 47
디지털홈구현 홈게이트웨이홈서버와정보가전기기의보급이확산되면등을통한다양한디지털홈서비스의제공이가능 위성 인터넷 DBS NIU xdsl Modem Cable Modem 위성 인터넷 H G - H S AV 네트워크 데이터네트워크 아날로그방송 디지털방송 제어네트워크 KRNET 2003 48
디지털홈비전 디지털라이프실현을통한국민의풍요로운삶영위 세계최고수준의디지털홈환경구축 50Mbps 급의홈디지털서비스가제공되는가정내부의네트워크환경구축 세계최고수준의초고속정보통신망의지속적인유지 양방향멀티미디어, 원격교육, 원격제어등다양한홈디지털서비스제공 IT 산업활성화 디지털홈수출전략산업화 디지털홈확산기반마련 가정내의홈네트워크구축 홈게이트웨이 / 홈서버보급 DTV 보급 초고속정보통신망고도화 서비스전달망고도화 국가망이용촉진 핵심기술개발및표준화 다양한콘텐츠 / 서비스제공 양방향멀티미디어서비스 원격교육 / 원격검침등 디지털홈기반여건조성 법 제도정비 Testbed 구축 & 시험인증방안 중소벤처자금지원강화 홍보활동중점강화 KRNET 2003 49
홈네트워킹에서유비쿼터스로 Hard wired 사회에서 Programmable 사회로고성장대량소비사회에서저성장순환형사회로 Ubiquitous Computing Home Automation 아날로그중심 Home Networking Ubiquitous Networking 디지털화 멀티 PC 정보가전기기 브로드밴드화 모바일 IPv6 센서 IT, BT, NT, ET, CT 접목 페타급기간망 Ultra Embedded S/W Ubiquitous 단말 Ubiquitous 칩 KRNET 2003 50
유비쿼터스전개방향 홈네트워킹을중심으로한디지털홈구축으로국민의 Digital Life 실현 주거환경을고려한단계별시범서비스실시 파급효과를고려한공공, 복지서비스실시 상호운용성및인증 향후유비쿼터스사회구축을목표로핵심기술조기개발 초소형칩및센서기술, 원칩컴퓨팅기술등 NT/BT 기술 Embedded Software 및 User Interface 기술 오감통신등 IT 와 BT 의융합기술인바이오인포매틱스기술 국민복지실현과미래지식정보사회구축을위한 범국가적정보역량결집강화 KRNET 2003 51
감사합니다. KRNET 2003 52