BERR WAN Comms requirements 0.2 marked
-
Upload
simon-harrison -
Category
Documents
-
view
216 -
download
0
Transcript of BERR WAN Comms requirements 0.2 marked
-
8/14/2019 BERR WAN Comms requirements 0.2 marked
1/32
SmartSmartSmartSmartMMMMeteringeteringeteringeteringWANWANWANWANCCCCommunicationsommunicationsommunicationsommunicationsRRRRequirementsequirementsequirementsequirements
Author(s)Author(s)Author(s)Author(s) AlastairManson
DocumentDocumentDocumentDocumentStatusStatusStatusStatus
Draft
DocumentRef.DocumentRef.DocumentRef.DocumentRef.No.No.No.No.
WANCOMMSRQTS
DocumentDocumentDocumentDocumentVersionVersionVersionVersion
0_2 Deleted: 1
-
8/14/2019 BERR WAN Comms requirements 0.2 marked
2/32
WANCommunications Version0_ 2
TableofContentsTableofContentsTableofContentsTableofContentsTableofContents................................................................................................ 2DocumentControl ............................................................................................... 31.1 VersionHistory..................................................................................... 31.2 RelatedDocuments ............................................................................. 31.3 IntellectualPropertyRightsandCopyright.......................................... 31.4 Disclaimer............................................................................................. 3
2 ExecutiveSummaryandIntroduction ......................................................... 42.1 ExecutiveSummary ............................................................................. 42.2 Purpose ................................................................................................ 42.3 Scope ................................................................................................... 52.4 Objective .............................................................................................. 62.5 FutureDevelopment ............................................................................ 6
3 Glossary&Conventions.............................................................................. 73.1 DocumentConventions&Assumptions.............................................. 73.1.1 ConventionsforDiagrams............................................................ 73.1.2 MarketSegments.......................................................................... 73.1.3 MeterFunctionality ....................................................................... 73.1.4 MeterLocation .............................................................................. 83.1.5 MeterandMeteringSystem ......................................................... 83.1.6 CommunicationsforEachFuel .................................................. 103.1.7 TwoTypesofCommunicationforSmartMetering? .................. 10
3.2 Glossary ............................................................................................. 123.3 Assumptions....................................................................................... 15
4 ApproachandScope................................................................................. 164.1 Approach ............................................................................................ 164.2
Actors ................................................................................................. 16
4.3 Scopeofsolution................................................................................ 18
5 GeneralRequirements .............................................................................. 206 RequirementsofActors............................................................................. 236.1 Supplier .............................................................................................. 236.2 Consumer........................................................................................... 276.3 Network/DistributerUse ................................................................... 286.4 3rdpartyserviceprovider ................................................................... 296.5 Microgeneration ................................................................................. 296.6 Appliances.......................................................................................... 306.7 Display................................................................................................ 306.8 Installer/Maintainer........................................................................... 30
7 TrafficFlowDescription............................................................................. 30
Deleted: 1
-
8/14/2019 BERR WAN Comms requirements 0.2 marked
3/32
WANCommunications Version0_ 2
DocumentControlDocumentControlDocumentControlDocumentControl
1.11.11.11.1 VersionHistoryVersionHistoryVersionHistoryVersionHistory
Version Date Author Description
0_1 14July2008 AlastairManson Initialdraft
0_2 24July2008 AlastairManson UpdatedfollowingBERRsWANcommunicationsworkshop22July2008.
1.21.21.21.2 RelatedDocumentsRelatedDocumentsRelatedDocumentsRelatedDocuments
DocumentTitle Version Author Date
SmartMeteringOperationalFramework,proposalsandoptions
V1 ERASRSMProject
August2008
WANCommunicationsOptionsDefinition
ERASRSMProjectforBERR
July2008
1.31.31.31.3 IntellectualPropertyRightsandCopyrightIntellectualPropertyRightsandCopyrightIntellectualPropertyRightsandCopyrightIntellectualPropertyRightsandCopyrightAllrightsincludingcopyrightinthisdocumentortheinformationcontainedinitareownedbytheEnergyRetailAssociationanditsmembers.Allcopyrightandothernoticescontainedintheoriginalmaterialmustberetainedonanycopythatyoumake.Allotheruseisprohibited.AllotherrightsoftheEnergyRetailAssociationanditsmembersarereserved.
1.41.41.41.4 DisclaimerDisclaimerDisclaimerDisclaimerThisdocumentpresentstheRequirementsofWANcommunicationsforsmartmeteringinGreatBritainfordiscussion.Itdoesnotrepresentafinalstatementofrequirements.Wehaveusedreasonableendeavourstoensuretheaccuracyofthecontentsofthedocumentbutoffernowarranties(expressorimplied)inrespectofitsaccuracyorthattheproposalsoroptionswillwork.Totheextentpermittedbylaw,theEnergyRetailAssociationanditsmembersdonotacceptliabilityforanylosswhichmayarisefromrelianceuponinformationcontainedinthisdocument.Thisdocumentispresentedforinformationpurposesonlyandnoneoftheinformation,proposalsandoptionspresentedhereinconstitutesanoffer.
Deleted: 1
Formatted Table
-
8/14/2019 BERR WAN Comms requirements 0.2 marked
4/32
WANCommunications Version0_ 2
2222 EEEExecutiveSummaryandxecutiveSummaryandxecutiveSummaryandxecutiveSummaryandIntroductionIntroductionIntroductionIntroduction
2.12.12.12.1 ExecutiveSummaryExecutiveSummaryExecutiveSummaryExecutiveSummaryThisdocumentisaproductoftheWideAreaNetwork(WAN)Communicationsworkstream,partofthewiderprojectundertakenbyBERRtoconsidersmartmetering.TheProjectInitiationDocumentforthisworkstreamstatedthatAbetterdescriptionofthecommunicationsoptionsandtheirrequirementswillenabletheimpactonmarketmodelsforeachoptiontobebetterunderstood,e.g.constraints,drivers,issues,risks.ThisdocumentcollatesthegeneralrequirementsofsmartmeteringWANcommunicationsalongwiththerequirementsofkeypartiesthatwilluseorinteractwiththesmartmeteringWANcommunications.Theapproachhasbeentoconsidertherequirementsofsuppliersandthentolookatotherpartiesinturnforwhethertheyhaveadditionalrequirementsorcanrefine
thoseofthesupplier.Anumberofpartiesneedtoexchangedatawithsmartmetersanddeviceslocaltothosemeters.Therearerequirementsforaccesstothatdataexchangetobecontrolledandsecureandforstandardsofservicetobeagreed.PartiesotherthansupplierswillgenerallyhavesimilarrequirementsofWANcommunicationsbutmayinsomecasesrequiregreaterperformance.Partiesthatinstallandmaintaincomponentsofthesmartmeteringsystemwill
haverequirementsthatdifferfromthosewhopurelyusethecommunications.ConsumerswillhaveadditionalrequirementsthatsmartmeteringWANcommunicationshavenodetrimentaleffectonthem.ThekeypurposeistohelpprogresstowardacommonunderstandingandtofacilitatediscussionbetweenpartiesinterestedintheuseofsmartmeteringinGB.
2.22.22.22.2 PurposPurposPurposPurposeeeeThisdocumentdescribesrequirementsoftheWANcommunicationsforsmartmeteringinBritain.Itskeypurposeistohelpprogresstowardacommonunderstandingandtofacilitatediscussionbetweenpartiesinterestedintheuse of smart metering in GB
Deleted: 1
-
8/14/2019 BERR WAN Comms requirements 0.2 marked
5/32
WANCommunications Version0_ 2
Itisnotabnormalwhenpurchasingratherthanbuildingcomplexsolutionsthattheoptionsneedtobeweighedupagainstcostforhowwelltheydeliveror
constraintherequirements.Prematurespecificationisundesirableinanycaseasitislikelytocreatefalseconstraints.ThispapercollectstheWANcommunicationsrequirementsintoasingledocument.Theconsolidatedstatementofrequirementsistobeusedasthebasisfordiscussionandisexpectedtoberefinedinfuturework.
The objective is to promote a broad common level of understanding ratherthan to nail down a technical specification. This document avoids usingtechnical jargon as these are requirements that need to be understandable toa wide range of stakeholders.
2.32.32.32.3 ScopeScopeScopeScopeThescopeofthisdocumentconsistsoftherequirementsfortwoway
communicationsbetweensmartgasandelectricitymetersandauthorisedpartiesinGreatBritainandtherequirementsofthosepartiesthatmaybeaffectedbythoseWANcommunications.Thisincludeswherethecommunicationsmaybefortheultimatepurposeofcommunicatingwithanotherdevicelocaltothemeter.ThediagrambelowshowstheSRSMviewofthescopeofsmartmetering,andtheplaceofWANCommunicationswithinthatscope:
DataTransport
(internet)
Industry
Interfaces
Deleted: 1
Formatted: Font: 12 pt
Deleted:
-
8/14/2019 BERR WAN Comms requirements 0.2 marked
6/32
WANCommunications Version0_ 2
Itisnotedthattherequirementsandavailableoptionsarelikelytoflexover
timeastechnologyandcommercialarrangementsadapttowhatisessentiallyanewGBmarketformeteringcommunications.Thisdocumentdoesnotconsiderthecommercialorcontractingarrangementsorimplicationsfortheprovisionofsmartmeteringcommunicationsservices.
2.42.42.42.4 ObjectiveObjectiveObjectiveObjectiveTheobjectivesoftheWANCommunicationsworkstreamaspartofthewiderBERRactivitieshavebeenagreedasfollows::
TheobjectiveoftheWANCommunicationsworkstreamofworkistodeliverabetterunderstandingoftheWANCommunicationsoptionsandtheirpotentialimpactonmarketmodelstofeedintoPhase2evaluationofmarketmodels.
Abetterdescriptionofthecommunicationsoptionsandtheirrequirementswillenabletheimpactonmarketmodelsforeachoptiontobebetterunderstood,e.g.constraints,drivers,issues,risks.
Whatarethepracticalimplicationsofoperatingdifferentcommunications
optionswithinthedifferentmarketmodels?ThisisaquestionthatcanbestartedinPhase1,butwillhavetobeansweredinmoredetailinPhase2.
TheoutputfromthisworkstreamwillfeedintothemarketmodelevaluationplannedforPhase2.
Akeyobjectiveofthisworkstreamistobringallstakeholderstoacommonlevelofunderstanding.
2.52.52.52.5 FutureFutureFutureFutureDevelopmentDevelopmentDevelopmentDevelopmentItisexpectedthattherequirementsexpressedinthisdocumentwillberefinedaspartiesotherthansuppliersexpresstheirexpectationofusingsmartmeteringcapabilities.Therequirementswillbeinfluencedbytheactualcapabilitiesofsolutionsandthismayintroduceconstraints.
Deleted: 1
-
8/14/2019 BERR WAN Comms requirements 0.2 marked
7/32
WANCommunications Version0_ 2
3333 GlossaryGlossaryGlossaryGlossary&Conventions&Conventions&Conventions&Conventions
3.13.13.13.1 DocumentConventionsDocumentConventionsDocumentConventionsDocumentConventions&Assumptions&Assumptions&Assumptions&AssumptionsTheERASRSMprojecthasbeenrunningsinceSeptember2006,andhasestablishedanumberofpracticalconventionsandassumptionswithregardtosmartmetering.TheprojectpublishedProposalsandOptionsforaSmartMeteringOperationalFrameworkinAugust2007thisdocumentisover300pagesin
lengthandpresentscomprehensiveproposalstomeetthepracticalitiesofoperatingsmartmeteringinacompetitiveretailenvironment.Thefollowingsubsectionsgiveabriefoverviewofanumberofthesetopics.ForamorecompletesummaryoftheSmartMeteringOperationalFramework,pleasevisithttp://www.energy-retail.org.uk/smartmetersThroughoutthisdocumentmaterialsfromspecificserviceprovidersorexisting
implementationsareused.Thisistoillustratetheconceptsorcontextunderconsideration,andinnowayadvocatestheseapproachesandproductsaspreferredsolutionsorapplications.Theuseofsuchillustrationsissimplytomeetakeyobjectiveofestablishingacommonunderstandingoftheoptionstosupportfurtherdiscussion.
3.1.13.1.13.1.13.1.1 ConventionsforDiagramsConventionsforDiagramsConventionsforDiagramsConventionsforDiagrams
Alongsidetheconventionslistedbelow,thefollowingstandardapproacheshavebeenusedwithindiagrams.
Wiredphysicalconnectionsareshownusingasolidline Wirelessphysicalconnectionsareshownusingadottedline
Alldiagramswithinthisdocumentareillustrativeofthesubjectunderconsiderationandarenotintendedtorepresenttechnical,architecturalorschematicdepictionsofactualsituations.
3.1.23.1.23.1.23.1.2 MarketSegmenMarketSegmenMarketSegmenMarketSegmentstststs
TheOperationalFrameworkhasbeenwrittentoaddresstherequirementsofenergySuppliersinthedomesticretailmarkets.However,itrecognisesthatmetersusedinhomescanactuallybeexactlythesameasmetersusedinbusinesses,andthereforetheOperationalFrameworkproposalscouldapply.Therefore,withinthisdocument,thecommunicationsoptionsdiscussedcouldbe suitable for use in both domestic and equivalent non domestic markets
Deleted: 1
-
8/14/2019 BERR WAN Comms requirements 0.2 marked
8/32
-
8/14/2019 BERR WAN Comms requirements 0.2 marked
9/32
WANCommunications Version0_ 2
ofthefunctionalityiscontainedwithinonebox.ThereisregularuseofapictureofanelectricitysmartmetertorepresentsmartMeteringSystems.
Smart Metering
Systems, with all
the functionality,
includingcommunications
under the glass
Metering System
using a separate
black box (or
boxes) to deliver
functionality
Metering System
using a separate
black box and
external antennato deliver
functionality
Illustration of how fuels could share
(with suitable commercial
arrangements) a single set of black
box(es) to deliver functionality
Smart Metering Systems Illustration of Flexible Approaches
In all cases, the metrology functions must be delivered by a regulated measuring instrument.
The required functionality could be delivered by components:
- within the meter casing;
- through the use of one or more new hardware components (in conjunction with new meters
or retrofitted to existing); or
- external hardware components shared between fuels.
Generally, no component of the smart Metering System will be reliant upon equipment
owned by the customer (e.g. broadband router), or services under the control of the
customer (e.g. telephony provider). There may be individual circumstances where use of the
customers equipment is unavoidable (customer chooses to own the meter, or particularly
within a non-domestic context where additional energy supply contractual terms can be
applied).
Software
+ +
+
+
+
Figure3:SmartMeteringSystems,IllustrationofFlexibleApproaches
Asdefinedbelow,asmartmeteringsystemcouldcompriseanumberofphysicaldevices(externalmodems,antennasetc.)todeliverthesmartfunctionalityrequirements.Thepotentialvarietyofphysicallocationsandconditionsofmeteringpointscouldresultinsmartmeteringsystemswherecomponentsarenotlocated
Deleted: 1
-
8/14/2019 BERR WAN Comms requirements 0.2 marked
10/32
WANCommunications Version0_ 2
3.1.63.1.63.1.63.1.6 CommunicationsforEachFuelCommunicationsforEachFuelCommunicationsforEachFuelCommunicationsforEachFuel
ThereareanumberofpotentialapproachestodeliveringWANinfrastructures
tobothgasandelectricitymetering.Asdiscussedabove,thismayinvolveadditionalcommunicationsequipment.Shownbelowarethetwobasicapproachesautonomyandthepiggy-back,bothofwhichareequallyvalidwhenconsideringWANcommunicationsoptions.Someoftheoptionspresentednaturallyfavouroneorotheroftheseapproaches,somecanbeagnostic.Thepiggy-backapproachpresentsadvantagestokeyconcernswithgasmeterpowerconsumption,butcreatesinteroperability,datastorageandnetworkoperationchallengesforelectricity
meters.Inthepiggy-backoption,theelectricitymeteriseffectivelypartofthegasmeteringsystem.
Figure4WANConnectionsforBothFuels
3.1.73.1.73.1.73.1.7 TwoTypesofCommunicationforSmartMetering?TwoTypesofCommunicationforSmartMetering?TwoTypesofCommunicationforSmartMetering?TwoTypesofCommunicationforSmartMetering?
ThisdocumentspecificallyaddressestheoptionsforWANcommunications,i.e.fromthemetertoaremoteparty.Therearerequirementsandexpectationsofsmartmeterstodelivercommunicationsfunctionalitylocally,
i.e.fromthemetertoahomedisplay,ormicrogenerationdevice,orameterfromadifferentutility.
Deleted: 1
-
8/14/2019 BERR WAN Comms requirements 0.2 marked
11/32
WANCommunications Version0_ 2
DataTranspo
rt
(internet)
LOCALCOMMUNICATIONSINTERFACE
WANCOMMUNICATIONS
INTERFACE
WANCOMMUNICATIONS
INTERFACE
Figure5ThreeSmartMeteringInterfaces
NotethattheWANrequirementscoverthewiderscopeofthedeliveryofendtoendsolutionsratherthanjustthetechnicalconsiderationsofWANcommunicationsprovisioncoveredintheWANcommsoptions.Theyremainrequirementsoftheparticipants.
DataTransport
Industry
Interfaces
Deleted: 1
-
8/14/2019 BERR WAN Comms requirements 0.2 marked
12/32
WANCommunications Version0_ 2
TheERASRSMProjecthasbeenfacilitatingaworkstreamtospecificallyconsidertheoptionsforLocalCommunicationsforSmartMetering.ThisworkstreamincludesexpertsfrommeteringandcommunicationsorganisationsandisexpectedtodeliveranevaluationandrecommendationreportinSeptember2008.Detailsonthisworkstreamareavailablefromhttp://www.srsmlocalcomms.wetpaint.comWhilstitmayseemtobetheoptimumapproachtohaveonecommunicatingcomponentwithinasmartmeter,forexampleWANandLocalCommunicationsaredeliveredusinglowpowerradiohardwarewithinthe
meter,unlessthesolutionoptionmeetsalloftherequirementsforbothapplications,theremaybeanargumentforincludingtwocommunicatingcomponents.ThishasbeentheapproachinsomeinternationalexamplesrequiringLocalCommunicationsconnectivity.However,theseexampleshavetendedtoseetheLocalelementaddedaftertheWANspecificationhasbeenset.
3.23.23.23.2 Glossary
GlossaryGlossaryGlossary
AnumberofthesedefinitionsaresimilartothoseusedwithintheOperationalFramework.
TermTermTermTerm MeaningMeaningMeaningMeaning
AccessControl ThemethodbywhichtheOperationalFrameworkcontrolsaccesstosmartMeteringSystems,smartmeteringdataandassociateddevices.
AuthorisedParty MeanstheSupplieroranotherpersonauthorisedbyconfigurationoftheAccessControlsecuritypoliciesintheMeteringSystemtointerrogateorconfiguretheMeteringSystem.
AuthorisedPartiescouldincludeacommunicationsserviceprovider,ameteroperator,anetworkoperatoretc.
DataExchange ElectronicinteractionsincludingthetransmissionofdatabetweenMeteringSystemsandAuthorisedPartiesorMeteringSystemsandLocalDevices
DLMS DeviceLanguageMessageSpecificationEuropeandata
protocolformetercommunicationsERA EnergyRetailAssociation,thetradeassociation
representingthesixmajorenergySuppliersinBritain.
ETSI EuropeanTelecommunicationsStandardsInstituteinternationalstandardsbody
IEEE InstituteofElectricalandElectronicsEngineers
Deleted: 1
-
8/14/2019 BERR WAN Comms requirements 0.2 marked
13/32
WANCommunications Version0_ 2
TermTermTermTerm MeaningMeaningMeaningMeaning
Local
Communications
CommunicationsbetweenaMeteringSystemandLocal
DeviceswithinthepremisesinwhichtheMeteringSystemisinstalled.
LocalDevice ALocalDevicecanbeanypieceofequipmentwithinpremisesthatcommunicatesdirectlywiththeMeteringSystemusingLocalCommunications.
MeteringSystem Asingledeviceormeter,oracombinationofdevicesusedtodelivertheLowestCommonDenominatorasdefinedintheOperationalFramework-SmartMeterFunctionalSpecification.
MeterVariant ClassificationofmetertypeundertheOperationalFramework.AStandardvariantissuitableforinstallationatthemajorityofmeterpointsinGreatBritain.Othervariantsexisttocoverspecificsupply,circuitorcustomerissuesatasite.
ExamplesincludePolyphase,Semi-Concealedor5Terminalvariants.
ThefulltableofMeterVariantscanbefoundintheSmartMeterFunctionalSpecification.
MeterWorker AgenericOperationalFrameworktermreferringtoanypersonattendingameteringpointforthepurposesofinstallation,maintenance,investigation,replacementorremovaloftheMeteringSystem.
IncludesexistingenergyindustrydefinedrolesofMeterOperator,MeterAssetMaintainer,MeterReader,DataRetrieveretc.
OpenStandard TheEuropeanUniondefinitionofanopenstandard(taken
fromEuropeanInteroperabilityFrameworkforpan-EuropeaneGovernmentServices)is:
Thestandardisadoptedandwillbemaintainedbyanot-for-profitorganisation,anditsongoingdevelopmentoccursonthebasisofanopendecision-makingprocedureavailabletoallinterestedparties(consensusormajoritydecisionetc.).
Thestandardhasbeenpublishedandthestandardspecificationdocumentisavailableeitherfreelyorata
nominalcharge.Itmustbepermissibletoalltocopy,distributeanduseitfornofeeoratanominalfee.
Theintellectualproperty-i.e.patentspossiblypresent-of(partsof)thestandardismadeirrevocablyavailableonaroyalty-freebasis.
Therearenoconstraintsonthere-useofthestandard.
Operational Smart Metering Operational Framework Proposals and
Deleted: 1
-
8/14/2019 BERR WAN Comms requirements 0.2 marked
14/32
WANCommunications Version0_ 2
TermTermTermTerm MeaningMeaningMeaningMeaning
OperationalFramework.
OngoingatthetimeofdevelopingthisdocumentSupplier Meansanenergyretailbusiness
WAN(WideAreaNetwork)Communications
CommunicationsbetweenaMeteringSystemandaremoteAuthorisedParty
Deleted: 1
-
8/14/2019 BERR WAN Comms requirements 0.2 marked
15/32
WANCommunications Version0_ 2
3.33.33.33.3 AssumptionsAssumptionsAssumptionsAssumptions
WhilstdefiningtheWANCommunicationsoptions,anumberofassumptionshavebeenused.Thesearepresentedbelow:A.1. Allcommunicationsoptionsare(orwillbe)compliantwithrelevant
legislationandregulationsA.2. SmartmeterfunctionalityisbroadlyequivalenttotheSRSMSmart
MeterSpecificationA.3. WANCommunicationsoptionsaredefinedonlysofarastoreacha
connectiontotheinternet.Architecturesandsystemsupstream,i.e.howanenergySupplieraccessesmeteringdata,aresubjecttoseparateconsideration
A.4. WANCommunicationsserviceprovisionwillincludenetworkmanagementactivitysuitabletothatnetwork,i.e.trafficandoutagemanagement,scheduling,faultresolution.
A.5. Smartmeterswillallhaveunique(fixedordynamic)networkaddressesinaccordancewiththeprotocolstobeused
Deleted: 1
-
8/14/2019 BERR WAN Comms requirements 0.2 marked
16/32
WANCommunications Version0_ 2
4444 ApproachApproachApproachApproachandScopeandScopeandScopeandScope
4.14.14.14.1 ApproachApproachApproachApproachTheapproachtocollatingtheserequirementshasbeentoconsidertherequirementsofthewholeSmartmeteringsolutionforGreatBritain,thentoconsidertherequirementsfromthepointofviewofthedifferentpartiesordevicesthatmayuseorinteractwiththeSmartMeteringWANcommunications.
Thesupplierrequirementsareconsideredfirst,asthisisapartywithknownexpectationsofusingsmartmeteringandthereareestablishedanddocumentedrequirementsofthisparty.Theotherpartieshavethenbeenconsideredinturnforwhethertheyhaveadditionalrequirementsorcanelaborateonthoseofthesuppliers.
4.24.24.24.2 ActorsActorsActorsActorsTheSmartMeteringWANcommunicationsrequirementsarethoseofpartiesthatwillusethiscommunicationorwhomaybeaffectedbyit.Inusecasemethodologythetermactorisusedtodescribeparties,peopleorsystemsthatinteractwithasystem.Anactorisatypeofpartythatinteractswithasystemtheremayanynumberofinstancesofthatparty.Thefollowingactorshavebeenconsideredashavingkeyinteractionwith
smartmeteringandthereforebeinglikelytosetrequirementsoftheWANcommunications:
Consumer
Remotepartieso Suppliero Networkoperatoro 3rdpartyservice
LocalDeviceso Homeapplianceso Displayo Microgeneration
Installer/maintenance
Generalorindustryrequirements
Deleted: 1
-
8/14/2019 BERR WAN Comms requirements 0.2 marked
17/32
WANCommunications Version0_ 2
WAN Communications
Supplier
Network
3rd party service provider
Consumer
Meter
Appliances
Communications Installer and Maintenance
Microgeneration
General
Display
Figure7ContextofActorsandWANComms
ThecThecThecTheconsumeronsumeronsumeronsumerTheconsumermayinteractwiththemeterorlocaldevicesinactivitiesthat
resultinWANdataexchange,theymayalsobeaffectedbytheWANcommunications,thefacilitiesthatsmartmeteringwillenableareoftenforthebenefitoftheconsumer.RemotepartiesRemotepartiesRemotepartiesRemotepartiesTheseinclude:
AllSuppliersThesupplierforeachmeterchangesovertimewhenconsumersswitch
Networkoperatorsthismaybefixedforanyonemeter
3rdpartyserviceprovidersThisisacategorythatcoversanumberofservicesthatmaybechosenbythecustomersuchasenergymanagementservices,thesuppliersuchasmeterdataprocessingoranotherpartysuchasDNOorGT.
These parties may exchange data with meters including data that may
Deleted: 1
-
8/14/2019 BERR WAN Comms requirements 0.2 marked
18/32
WANCommunications Version0_ 2
Thesearedeviceslocaltothemeter,normallyinthesamepremises.Thesedevicesmayalsohavesomerelationshiptoaremoteparty.Thesedevicesareexpectedtoincludeameansofdisplayingenergyuseinformationbutmayalsoinclude:
Appliances
Microgenerationfacilitiesbutmayovertimeincludeahostofotherdevicesincludingpotentiallywatermetering.Localdevicesmayhaveanumberofdifferentcommunicationsrelationshipswiththemeteringsystem
Theoreticallytheymay: havetwowaycommunicationwiththemeteringsystem
onlyreceivedatafromthemeteringsystem
onlysenddatatothemeteringsystem
CommunicatewithanotherpartyviathemeteringsystemGeneralGeneralGeneralGeneralAgeneralactorisincluded.Thisistoallowrequirementsthatdontbelongtoaspecificparticipantorofthosestakeholdersthatwillnotusethesystemdirectlytobecaptured.ThismayrepresentforexamplewherenationalorlocalGovernmentintendforpoliciestoberealisedviasmartmetering.Thisactormayimplementrequirementsbyobligationsplacedonotherparties.Newactorsshouldbedistinguishedwhenclearrequirementsareidentified.
4.34.34.34.3 ScopeScopeScopeScopeofsolutionofsolutionofsolutionofsolutionThewholesolutionmustprovidetheWANcommunicationsbetweenthemeterpopulationandremoteauthorisedparties,includingwherethosecommunicationsareusedforthepurposeofdataexchangebetweenlocaldevices.RemotepartiesRemotepartiesRemotepartiesRemoteparties
ThesearepartieswithsuitableauthorisationwhowillusetheWANcommunicationsfordataexchangewiththemeterorviathemetertootherdevices.Thenumberofauthorisedpartiesisnotknown,foreachmetering
systemtheauthorisedpartieswillincludeasuccessionofsuppliers(oragentsactingontheirbehalf),itmayincludeindustrypartiesandagentschosenbythesupplierorconsumer.
ThemeterpopulationThemeterpopulationThemeterpopulationThemeterpopulation
ThisisprimarilythepopulationofdomesticGasandElectricitymetersin GB It is anticipated however that the same arrangements may be
Deleted: 1
Formatted: Bulleted + Level:1 + Aligned at: 0.63 cm + Tabafter: 1.27 cm + Indent at:1.27 cm
Deleted: ,
Deleted: Ageneralindustryactorisincludedtoallowcaptureofrequirementsofthewholesolutionthatmaynotbelongtoaspecificparticipant.
-
8/14/2019 BERR WAN Comms requirements 0.2 marked
19/32
WANCommunications Version0_ 2
Note:metersmaybeconsideredalocaldevicetoanothermeter;thiscouldbemultiplemetersforthesameutilityinthesamepremisesormetersforanotherutility.Forexampleagasmeter(orwatermeter)mayhavenoWANcommunicationscapabilityofitsownandrelyontheelectricitymetertoprovideitsWANcommunications.Thesedevicesarenormallyinthesamepremisesasthemeteralthoughthelocalcommunicationsmechanismmaybeusedtoprovidecommunicationtodataconcentratorsoutsidethepremises.
Deleted: 1
-
8/14/2019 BERR WAN Comms requirements 0.2 marked
20/32
WANCommunications Version0_ 2
5555 GeneralReGeneralReGeneralReGeneralRequirementsquirementsquirementsquirementsThissectionreflectstherequirementsofthewholesmartmeteringsolutionforGreatBritainratherthanthoseofaspecificparticipanttype.
RefRefRefRef ReqReqReqRequirementuirementuirementuirement DetailsDetailsDetailsDetailsWG1 TheWANcommunicationsolutionmust
providefordataexchangebetweensuitablyauthorisedpartiesandgasandelectricity
meteringsystemsofdomesticsizeintheGBpopulation.Theremaybeanumberofpartiescontemporaneouslyauthorisedtoexchangedatawitheachmeteringsystem.
WG2 TheWANcommunicationsolutionmustprovidefordataexchangebetweensuitably
authorisedpartiesanddeviceslocaltothegasandelectricitymeteringsystemsintheGBpopulationviathosemeteringsystems.
WG3 AccessControlItisessentialthatallinteractionwitheachsmartmeteringsystemviaWANCommunicationsberestrictedtothosewithsuitablerightstodoso.Theaccesscontrolmechanismmustmanage::
WhocaninteractwitheachmeteringsystemusingWANcommunications(includingwherethisisdonetointeractwithlocaldevices)atanypointintime,
Whatfunctionsapartyisallowedtouseand
Whatdataapartymayread,writeordelete.
Thismechanismmustexcludeaccesstothosewithoutsuitablerightsincludingwhererightshaveexpired.
Itisnotedthatasolutioncould have nodespassing on informationpackets without the needto read those packets
WG4 InteroperabilityTh ill b b f diff i
Interoperabilitywillneedb d fi d i l di
Deleted: 1
Deleted: and
-
8/14/2019 BERR WAN Comms requirements 0.2 marked
21/32
WANCommunications Version0_ 2
RefRefRefRef ReqReqReqRequirementuirementuirementuirement DetailsDetailsDetailsDetailsWG5 Utility robust
Anytechnologyoptionthathasthepotentialforcustomerinterferenceoradependencyonacustomerprovidedserviceisnotarobustutilitysolution.Itisessentialtohaveahighreliabilitysolutionforaservicethatistheresponsibilityoftheutilityserviceprovider,notthecustomer.Utilitiescouldnotbedependentonalevelofserviceforcommunicationsdeterminedby,ordrivenfor,thecustomer.Itislikelythatutilities
wouldhavetoconsideradditionalcommercialarrangementstomeetutility-robuststandardsofservice.Thereisnotarequirementforcommunicationstobecontinuouslyonbutthereislikelytobearequirementforveryhighavailability.
WG6 GeographiccoverageTheWANcommunicationssolutionmust
providecoverageforthewholeoftheGBarea.TheWANcommunicationssolutionmustprovidecoverageforcloseto100%ofpropertytypesandtopographicalvariations.
ItisacknowledgedthattheWAN
communicationsmaynotbedeliveredbyasinglesolutionornetworknationallyorinlocalareasbuttheoverallcoveragemustbecloseto100%,failureisonlyacceptableintrulyexceptionalcircumstances.
WG7 PremisetypecoverageTheWANcommunicationssolutionmustprovidecoverageforcloseto100%ofpropertytypesandtopographicalvariations.
ItisacknowledgedthattheWANcommunicationsmaynotbedeliveredbyasinglesolutionornetworkforallpropertytypesbutthe
overallcoveragemustbecloseto100%,failureisonlyacceptableintrulyexceptionalcircumstances.
WG8 Longe it It is en isaged that smart
Deleted: 1
D l t d
-
8/14/2019 BERR WAN Comms requirements 0.2 marked
22/32
WANCommunications Version0_ 2
RefRefRefRef ReqReqReqRequirementuirementuirementuirement DetailsDetailsDetailsDetailsmechanismscannotchangeinthattimebutwouldnotbeacceptableforthisnewgenerationofmeterstoneedreplacementbecausetheCommunicationsbecomesobsolete.Thesolutionmaybe
designedsuchthatshouldacomponentpartoftheWANcommunicationsbecomeobsolete,itcanbeupdatedwithoutthereplacementofmeteringsystems.
Therewouldbearequirementfornewcommunicationssolutionstobebackwardlycompatiblewithexistingmeterswithouttheneedtovisitthosemetersforupgrade.
WG9 GrowthofUse
TherequirementsforuseoftheWANcommunicationsareexpectedtogrowovertimehencethereisarequirementforthesolutionstohavesparecapacityandorscalability.
WG10 ReasonablecostThewholesolutionmustbeprovidedatreasonablecost,thisistrueoftheWANCommunicationselement.
WG11 InitiationofCommunicationWANcommunicationsmaybeinitiatedbyremote parties or by the metering system (or
Deleted: 1
Deleted:
-
8/14/2019 BERR WAN Comms requirements 0.2 marked
23/32
-
8/14/2019 BERR WAN Comms requirements 0.2 marked
24/32
WANCommunications Version0_ 2
Ref Requirement Mandatory/Highly
Desirable/Desirable
relevantlegislationandregulations.
WS2 Thereisarequirementforintermittent22waycommunicationofdatabetweentheMeteringSystemandAuthorisedParties.
Thecommunicationsabilityofthemeteringsystemmay
createexpectationsofveryshortlatencyandtheserequirementswillneedtobeestablished.Forexample,theremaybeadesireforcustomerserviceadvisorstointerrogatethemeterduringaphonecallwiththecustomer,thiswouldcreaterequirementsforlatencytobeintherangeofoneminute.
M
WS3 Thecommunicationssolution(s)willsupportaminimumstandardofservice3forthecompletionofallData
ExchangesbetweenMeteringSystemsandAuthorisedParties4.
Thisstandardofservicewillbeexpressedintime.ItwillnotbeprescriptiveaboutthenumberofretriesrequiredallDataExchangeswillcomplete.5
M
WS4 Thecommunicationssolution(s)willsupportaprioritised6standardofserviceforthecompletionof
HD
2ThereisnorequirementforcontinuouscommunicationbetweenaMeteringSystemandAuthorisedParties,e.g.alwaysonline.Thecommunicationssolutionshouldsupportintermittent(asopposedtocontinuous)serviceavailableondemand.Thisofcourse,doesnot,precludethattherequirementcouldbefulfilledbycontinuousserviceavailability,subjecttocostandthepotentialimpactonbatterylifeofgasmeters.ThelimitingfactorwouldbethosecomponentsoftheWANcommunicationsthatarebatterypowered,namelythegasmeters.Sendingandreceivingmessagesorlistening(beingavailabletoreceive)takespowerhencetheoverallrequirementisforintermittentcommunications.
Itisexpectedthatthemajorityofthecommunicationssolutionwillbeavailablevirtuallyconstantly,butthatgasmetersparticularlymayhavecommunicationsregimesthatusepowereconomically.3AnyintroductionofastandardofservicesintroducesparallelrequirementsforOperationalFrameworkparticipantsforunilateralormultilateralmonitoringofperformanceagainstthestandard.Whilstthismaybevestedintheserviceprovider(s)themselves,someformof
i ht ill b i d t i i ti i d li d dd
Deleted: 1
Deleted: t
-
8/14/2019 BERR WAN Comms requirements 0.2 marked
25/32
WANCommunications Version0_ 2
Ref Requirement Mandatory/Highly
Desirable/Desirable
DataExchangesbetweenMeteringSystemsandAuthorisedParties.
PrioritieswithinthestandardofservicewillbeexpressedinthetimetakentocompletetheDataExchangesuggestedexample
HighestPriority=wheretimelinessofcompletingDataExchangeiscriticaltocompletionofabusinessprocesse.g.addingemergencycredittoMeteringSystemoralertinganAuthorisedPartyofaseriousfault/tamper.
StandardPriority=assumedtobemostcommonclassificationusedforthemajorityofDataExchanges.
LowPriority=informationisnotcriticaltoSupplierorcustomerprocesse.g.downloadingnewsoftware
versiontoMeteringSystem.
Itispossiblethatsuchprioritisationmaynotbeneededforsometimebutitisconsideredessentialtomakeprovisionforthistobeabletobeactivatedlater.
WS5 Thecommunicationssolution(s)willrequirethenumberofsitevisitstoaMeteringSystemtoaddressissuesor
failuresofthecommunicationssolution(s)tobekepttoaminimum.
HD
WS6 AllcommunicationsbetweenaMeteringSystemandAuthorisedPartywillbesecure.7
Ifcommunicationssecuritydoesnotformpartofthecommunicationsprotocols,thesolutionwillincludesecuritymeasuresandcontrolsasfollows8:
Cryptosecuritye.g.atleast128bitencryptionusingAdvancedEncryptionStandard(AES).
Emissionsecurityprotectinginformationemanatingfrom the Metering System from intercept andanalysis
Ph i l it f di i ti
M
Deleted: 1
Deleted: up
-
8/14/2019 BERR WAN Comms requirements 0.2 marked
26/32
WANCommunications Version0_ 2
Ref Requirement Mandatory/Highly
Desirable/Desirable
Traffic Flowsecurity concealing the presenceandpropertiesofvalidmessagesonthenetwork
Transmission security measures to protectinformation from interception and exploitation bymeans other than decryption e.g. jamming,frequencyhoppingetc.
WS7 CommunicationtoandfromaMeteringSystemwillberesistanttoinappropriateinterferencebyanypartyincludingthecustomer.9
M
WS8 Thecommunicationssolutionsshallberesistanttovirusesandothermalicioussoftware.
M
WS9 Thecommunicationssolution(s)willcomplywith
ScheduleIProtocolSpecification.
(notethisschedulespecifiestheuseofinternetprotocolaspartoftheTCP/IPinternetprotocolstack)
M
WS10 Thecommunicationssolution(s)willcomplywithScheduleJDataExchangeFormatSpecification.
(notethisschedulespecifiestheuseofXML)
M
WS11 Thecommunicationssolutionwillnotalter,corruptorpermanentlystoreanydataittransports.
M
WS12 Thecommunicationssolution(s)underreasonableusageprofiles,willnotcriticallyaffectthepowerconsumption10orbatterylifeofaMeteringSystem.
M
WS13 Thecommunicationssolution(s)willbecapableofmeetingthedatatrafficrequirementsoftheOperational
Framework.11
M
9Inappropriatehere,meansinadvertentordeliberateactionsthatwouldcompromisetheotherrequirements.AbalancewillneedtobemaintainedbetweentherequirementforsecurecommunicationswithLocalDevices,asdefinedinScheduleFAccessControlSpecification,d th bilit f t t t bli h L l C i ti b t M t i S t
Deleted: 1
-
8/14/2019 BERR WAN Comms requirements 0.2 marked
27/32
WANCommunications Version0_ 2
6.26.26.26.2 ConsumerConsumerConsumerConsumerThe majority of the consumer requirements of Smart metering WANcommunications (reliable, secure communications) will be covered by thesupplier requirements). However, the consumer has requirements of theWAN communications solution in addition to those of the supplier.
WC1 SafetyThe WAN communications solution shall not be harmful to residents.
WC2 Interference caused to existing networksThe WAN communications solution shall not materially interfere withconsumers existing networks (as isthecaseforallconsumerelectronics).
WC3 Minimal DisruptionThe consumer has a requirement that the installation and operation of
smart metering causes minimal disruption. The requirement forminimal disruption includes disruption to the persons schedule such asaccess to the premises or supply off during work and disruption causedby physical device(s).
WC4 Latency in CommunicationConsumers will carry out activities that use the metering system WANcommunications, where these activities involve a customer activity anda response (update to the metering system) the consumer will normally
require the operation to complete in a short space of time.A clear example where a short latency in messages is required iswhere the meter is operating in prepayment mode. It is expected thatmeters will hold the balance, credit payments may be made at a vendorand that the credit is updated to the meter by the vendor or supplier.The consumer will require that this operation complete in a short time.As a guideline, it would be unlikely to be acceptable for the smartmetering process to take significantly longer than a normal time for
the current process.The current process for a prepayment customer when they need toupdate credit is that they go to a vendor, purchase credit which is heldon a key or token, return to the meter and transfer the credit to themeter, the credit is immediately updated to the meter. This activitymight reasonably be assumed to take about 20 - 30 minutes. There is
i t th t th t i l t i t l
Deleted: 1
Deleted:
Deleted: .
Deleted: re
-
8/14/2019 BERR WAN Comms requirements 0.2 marked
28/32
WANCommunications Version0_ 2
The customer has a requirement that the whole of the smart meteringsystem is at reasonable cost, this is true of the WAN communicationselement.
WC6 Not IntrusiveThe customer has a requirement that the WAN communications are notinvasive. There is a balance to be struck between providing usefulservices and those that may be seen as invasive.
6.36.36.36.3 Network/DistributerUseNetwork/DistributerUseNetwork/DistributerUseNetwork/DistributerUseThere are no firm requirements of Network operators or distributors asyet. However the potential requirements of these parties can beestimated by considering a range of benefits these parties may expectto realise from use of smart metering facilities. Examples of thesebenefits have been identified in the ERA response to BERRs AMMimpact assessment as follows:
BenefitsenabledwithERAspecification:
LossManagement
Restorationverification
Emergencyresponse
Loadforecastingandscheduling
Benefitsthatwouldrequireadditionalfunctionality
Powerqualitymonitoring
PhaseBalancing
LoadBalancing
Outagenotification
These and others have been agreed as potential benefits for networks load
management, in particular, has been discussed as a likely use. However,none of these requirements are firm. It is unknown if each network operatorwould be likely to adopt the same set of functionality although there should besimilar benefits cases for each.
The activities to achieve the benefits that are recognised for networks would
Deleted: 1
Formatted: Highlight
Deleted: h
-
8/14/2019 BERR WAN Comms requirements 0.2 marked
29/32
-
8/14/2019 BERR WAN Comms requirements 0.2 marked
30/32
WANCommunications Version0_ 2
6.66.66.66.6 AppliancesAppliancesAppliancesAppliancesThe requirements of appliances which may communicate with 3rd parties via
the metering system WAN communications have been covered within therequirements of suppliers and 3rd parties and no additional requirements areidentified.
6.76.76.76.7 DisplayDisplayDisplayDisplayOne or more suppliers may communicate via the metering system with one ormore in home displays. The display may be used to carry out many actions
that are, by default, actions that belong to the meter.Authorised parties may carry out dialogues with the consumer using thedisplay rather than the meter as the interface. However the requirements ofthe supplier should already cover this interface and no additional requirementsare identified.
6.86.86.86.8 InstallerInstallerInstallerInstaller////MaintainerMaintainerMaintainerMaintainer
The parties responsible for installing and maintaining the metering systemshave a different relationship with the WAN communications the other actors inthat they are not using the WAN communications for their own sake.As the relationship is different installers have requirements in addition to thoseof suppliers. This party requires:
WI1 Repeatable processesInstallation of metering systems, including the commissioning of WANcommunications, and maintenance activities must be simple and routineactivities.
WI2 Avoidance of meter visits through remote diagnosticsThe vast majority of current reasons for meter visits must be avoided asthis avoidance is a major benefit in the case for smart metering. Meteringsystems should provide information about faults automatically and shouldalso report maintenance requirements (such as low batteries) so thatmeter visits can be targeted when needed. It is particularly important that
the state of the metering systems can be sufficiently assured that thecurrent need for inspection visits can be avoided.
7777 TrafficFlowDescriptionTrafficFlowDescriptionTrafficFlowDescriptionTrafficFlowDescription
Deleted: 1
-
8/14/2019 BERR WAN Comms requirements 0.2 marked
31/32
WANCommunications Version0_ 2
Numberofmetersinvolved
Frequency
Profileofuse
Theconcurrentuseandtopologywilldrivethesizeofthebandwidthrequirements.However,itisprematuretoundertakedetaileddatatrafficanalysis.Thereareenoughunknownssuchanalysishaslimitedvalueandmayactuallybemisleading.
AnumberofpartiesareexpectedtousetheWANcommunicationsfordataexchangewiththemeteringsystemandlocaldevicesbutthepartywithknownrequirementsisthesupplier.Eachadditionalpartywouldaddtothedatatrafficrequirementsbuttheextentwoulddependontheirinteractionwiththemeteringsystem.Itisreasonabletoassumethattheusemaygrowsignificantlyovertime.Thevastmajorityofmessagesinasuppliersdataexchangesarelikelytobereasonablysmall(suchasmeterreadings,logs,tariffupdates,creditupdates,
alerts,etc)itwouldbepossibletoestimatethesealthoughthislesslikelytobetheareathatwillstretchthesolution.Themajorityofmessagesofotherpartiesarelikelytobesimilarlysmallalthoughuntilthoseusesareidentifiedthisisspeculativedifferentpartiesmayhavecompletelydifferentuseprofiles.Thelargestmessagesarelikelytobesoftwareorfirmwareupgradesalthoughitisimpossibletoestimatethesizeofthesewhenthesoftwaresolutionis
unknown.ThesoftwaredevelopmentwillneedtoaccountforconstraintsoftheneedtoprovideupgradeovertheWAN.AnearlyexampleofhowtrafficanalysismaylookisprovidedinAppendixA .Itisstressedthoughthatallvaluesgivenareestimatesthatwouldneedtobere-evaluatedwithexpertsinalltherelevantfields.
Deleted: 1
Deleted:
-
8/14/2019 BERR WAN Comms requirements 0.2 marked
32/32
APPENDIX A: EXAMPLE Traffic Flow Analysis Model
1 The table below shows an example of traffic flow that could be modelled to meet Operational Framework requirements.
2 Due to the incremental nature of any implementation of smart metering, and the potential variety of data requirements by customer or Supplier segments, any model willneed to use a number of assumptions and profiles to determine the traffic capacity requirements of smart metering.
3 All sizes used in this table are in bytes and are estimations.
MessageOverhead Fuel MessageContent
ExampleUsage
Interaction Header Footer NetworkAck
Gas Elec Elements Size TotalPerMeter
FrequencyofActivity
%ofPortfolio
MeterReading(non-interval,simpletariff)
100B 100B 15B Yes Yes 10Bperreadingandregisteridentifier
40B 255B Daily 100%
MeterReading(intervaldata)
100B 100B 15B Yes Yes 10Bperhalfhouradvance
240B 455B Daily 100%
TariffSetting 100B 100B 15B Yes Yes 50Bpertariffset 100B 315B Monthly 25%
Meteralerts 100B 100B 15B Yes Yes 20Bperalert 20B 235B Daily 5%
Debitbalances 100B 100B 15B Yes Yes 50Bperbalancedebt,credit,recovery
rate,emergencycredit
200B 415B Weekly 20%
AccessControlPolicies 100B 100B 15B Yes Yes 250Bperpolicy 250B 465B Monthly 50%
Softwareapplication 100B 100B 15B Yes Yes 15000Bperapplication
15000B 15215B Monthly 10%