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Smart Meter Architectures and Interfaces - Dec 2010

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Presentation to Ofgem smart meter security expert group on potential architectures and interfaces for the British smart meter roll out

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Smart Meter Architectures and Interfaces - Dec 2010

  1. 1. ERA PAPER ONSMIP INTERFACES& HIGH LEVELARCHITECTURESIMON HARRISONPROJECT ARCHITECT – SRSM PROJECT. SG1 & SG3 MEMBER.STEG 09.12.10
  2. 2. BACKGROUND TOPAPERRequested from SMDG and DCG representativesTo provide clarity on the potential E2E architecture – with afocus on the interfaces it could includeAlso attempts to do some mythbusting on interoperabilitySecurity is specifically out of scope(!)Only a few comments received, none stating that content isoff base or fundamentally incorrect – generally very wellreceivedBaseline version now presented for Ofgem to publishCompanion paper – ‘DLMS Demystified’ also available
  3. 3. HIGH LEVELARCHITECTURE User IHD WAN DCC HE SMS WAN Sec User HE DCC Functions Gas Elec UserThe fundamental interoperability requirement is,subject to authorisation, for any User to interact withany SMS component and vice versa, regardless of themanufacturers or providers of individual systems andcomponents.
  4. 4. BASIC INTERFACES User IHD WAN 3 2 DCC 1 HE SMS 4 WAN Sec User 5 HE DCC Functions Gas Elec UserSome are the same, some need tobe the same, some are potentiallyout of scope
  5. 5. SIMPLIFIEDINTEROPERABILITY Application Transport/Protocol Physical Carrier ZigBee Smart Energy DLMS/COSEM ZigBee TCP/IP 802.15.4 2.4GHz Radio GPRSPaper is for a non-technical audienceUses examples to provide contextDescribes intra-layer support
  6. 6. HAN ARCHITECTURE IHD WAN Data Format Smart Device IHD WAN HAN HAN HAN HAN SMS Protocol SMS HAN HAN HAN HAN Smart Gas Elec Radio Wire Device Gas ElecDoesn’t specify an owner/controllerDoesn’t go beyond SMS componentsOnly addresses the requirements we knowabout
  7. 7. INTERFACE TO DCC User Interface DCC XML TCP/IP User SMS WAN Internet User DTC/UKLink + Proprietary DTNFocus is on the application layer, this is what matters most toUsers
  8. 8. DCC FUNCTION User DCC Interface WAN DCC Interface DLMS COSEM Head XML WAN TCP/IP TCP/IP User SMS GPRS End Box Internet UserAttempts to illustrate that the DCC mayneed to provide translation/bridgingbetween user and WAN interfaces (shouldbe transparent to users and components)
  9. 9. WAN/HAN/WAN ZigBee Smart Energy DLMS/COSEM WAN Interface HAN Interface ZigBee TCP/IP 802.15.4 2.4GHz Radio GPRS DLMS over ZigBee DLMS/COSEM WAN Interface HAN Interface ZigBee TCP/IP 802.15.4 2.4GHz Radio GPRS ZigBee Smart Energy WAN Interface ZigBee SE over DLMS HAN Interface ZigBee TCP/IP 802.15.4 2.4GHz Radio GPRSTo move data between SMS components and the WANApplication layer could tunnel from HAN to WAN and vice versa
  10. 10. OVERALLARCHITECTURE User Interface DCC Interface Interface IHD WAN WAN DCC WAN HAN HAN HAN Head SMS End Box User HAN HAN Gas Elec UserPaper does not prescribe owners or solutions – illustratessome known solution options for different interfaces WAN Interface Physical Carrier(s) Transport(s) Application GPRS, PSTN, PLC etc. Any supported DLMS COSEM HAN Interface Physical Carrier(s) Transport(s) Application 802.15.4 RF ZigBee ZigBee Smart Energy 1.x Homeplug 1.0 Homeplug DCC Interface Physical Carrier(s) Transport(s) Application DCC defined As supported GB Smart Meter XML Schema

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