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Home Network: Architecture and Standards

Home Network: Architecture and Standards. 2003. 7. 3. MAI Lab. Joon Kim. Contents. Introduction Home Network Architecture Competitive Standards Summary & Discussion. Introduction(1). Home Network? Background of Rising Home Network Digital Broadcasting Mobile Terminal

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Home Network: Architecture and Standards

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  1. Home Network: Architectureand Standards 2003. 7. 3. MAI Lab. Joon Kim

  2. Contents • Introduction • Home Network Architecture • Competitive Standards • Summary & Discussion MAI Lab. 2003

  3. Introduction(1) • Home Network? • Background of Rising Home Network • Digital Broadcasting • Mobile Terminal • Spread of Internet Service • Novel Multimedia Services • Convergence of Home Equipment Open Distributed ad hoc System Value Chain to Digital and Internet MAI Lab. 2003

  4. Introduction(2) • Expected Effects from Home Network • Convenience • Safety/Security • Time Saving • Efficiency • Direction of Home Network • Any Time • Any Where • Any Device • Any Service MAI Lab. 2003

  5. Existing Wires Networks Wireless Networks Coaxial HomePNA IEEE 802.11 HomeRF Lonworks X10 PLC Bluetooth IrDA CEBus HomeCNA IEEE 802.11b HiperLAN/2 HomePlug IEEE 802.15.3 New Wires Networks Higher Layer Technologies ATMF-25 HAVi Ethernet UPnP POF Versatile Home Network IEEE 1394 HES Coaxial USB EHSA OSGi Various Candidates for Home Network MAI Lab. 2003

  6. Home Network Architecture(1) • Core Network • SP/CP(Service/Contents Provider) • Access Network • Interconnection b/w Core & In-home net • In-Home Network • Residential Gateway • Integrate NT(Network Terminator) • Interfacing indoor media & terminals • CPE(Customer Premises Equipment) MAI Lab. 2003

  7. APON xDSL HFC Core Network Access Network Service Provider In-Home Network LMDS MMDS Satellite Home Network Architecture(2) 802.11b Access Point 802.11b Ethernet Phone Line IEEE 802.11b PowerLine Tree IEEE 1394 Residential Gateway MAI Lab. 2003

  8. Competitive Standards • HES(Home Electronic System) • HAVi(Home Audio-Video Interoperability) • UPnP(Universal Plug and Play) • IEEE 802.11 • RG(Residential Gateway) MAI Lab. 2003

  9. Home Electronic System • Interface b/w Devices & Network • Components • Universal Interface(UI) • Application Service Elements(ASE) • Communication Language • Control/Information Channels MAI Lab. 2003

  10. Appliance #2 Appliance #3 Appliance #1 Universal Interface Universal Interface Universal Interface HES Protocol Stack ASE Control Channel Information Channel MAI Lab. 2003

  11. Home Audio-Video Interoperability • IEEE 1394 Interconnecting Devices • Independent from • Physical Media • Lower-layer Protocol • CMM/DCM • Java Virtual Machine Supported MAI Lab. 2003

  12. HAVi Protocol Stack Vendor Specific Platform(RTOS) Application Application Havlet Havlet Interoperability APT DCM DCM DCM Java Virtual Machine Messaging Event Mgr Stream Mgr Resource Mgr Registry DCM Manager DCM DCM IEEE 1394 CMM Bluetooth CMM USB CMM Other CMM Porting Layer IEEE 1394 DD Bluetooth DD USB DD Other DD MAI Lab. 2003

  13. Universal Plug and Play(1) • Device Plug and Play • Built over • IP • HTTP • XML • Independent of • OS • Lower-level Technology • Programming Language • P2P Interconnection MAI Lab. 2003

  14. Universal Plug and Play(2) • Steps in UPnP Network • Addressing • Discovery • Description • Control • Event • Presentation MAI Lab. 2003

  15. UPnP Vendor Defined UPnP Forum Working Committee Defined UPnP Protocol Stack UPnP Device Architecture HTTP SSDP GENA SOAP IP UDP HTTPMU (Discovery) HTTPU (Discovery) TCP MAI Lab. 2003

  16. IEEE 802.11 • Wireless LAN Standard in US • Integrating a variety of functions onto 1 chip • Variants • 802.11b • 802.11g • 802.11a • Etc. MAI Lab. 2003

  17. IEEE 802.11 Module Block SRLAM FLASH Baseline Processor A/D, D/A, Spread Spectrum, Differential decoding, Deacrambling, 802.11 MAC-physical layer Interface Radio, physical layer 802.11 Wireless LAN MAC 2.4GHz, 5GHz radio Modern Radio Power Amp Radio Interface/ Synthesizer Radio Interface Modulator/ Demodulator Radio PC MAC MAI Lab. 2003

  18. IEEE 802.11 Physical Layer WG MAI Lab. 2003

  19. IEEE 802.11 MAC Layer WG MAI Lab. 2003

  20. RG – Hardware Architecture(1) Modular Approach MAI Lab. 2003

  21. RG – Hardware Architecture(2) Compact Approach MAI Lab. 2003

  22. RG – Software Architecture • HES, HAVi, UPnP-based Architecture • OSGI Group Proposed Architecture • Based on Java Virtual Machine MAI Lab. 2003

  23. Framework OSGi Protocol Stack Virtual Machine Operating System HTTP UPnP Others Application Application Hardware Driver Driver Driver Driver MAI Lab. 2003

  24. Summary & Discussion • Various Technologies &Standards Floods • Wireless Technologies Promising • Expansion to Other Areas • Car Network • In-Factory Network MAI Lab. 2003

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