1、TECHNICAL REPORT ISO/IEC TR15044 Firstedition 200008 Informationtechnology TerminologyfortheHomeElectronicSystem(HES) Referencenumber ISO/IECTR15044:2000(E)TECHNICAL REPORT ISO/IEC TR15044 Firstedition 200008 Informationtechnology TerminologyfortheHomeElectronicSystem(HES) PRICECODE ISO/IEC2000 Allr
2、ightsreserved.Unlessotherwisespecified,nopartofthispublicationmaybereproducedorutilizedinanyformorbyan y means,electronicormechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromthepublisher. ISO/IECCopyrightOffice Casepostale56 CH1211Genve20 Switzerland F Forprice,seecurrentcata
3、logue2 TR15044ISO/IEC:2000(E) CONTENTS Page FOREWORD . 3 Clause 1 Scope . 4 2 Terminology 4TR15044ISO/IEC:2000(E) 3 INFORMATIONTECHNOLOGY TERMINOLOGYFORTHEHOMEELECTRONICSYSTEM(HES) FOREWORD 1) ISO(InternationalOrganizationforStandardization)andIEC(InternationalElectrotechnicalCommission)form thespec
4、ializedsystemforworldwidestandardization.NationalbodiesthataremembersofISOorIEC participateinthedevelopmentofInternationalStandardsthroughtechnicalcommitteesestablishedbythe respectiveorganizationtodealwithparticularfieldsoftechnicalactivity.ISOandIECtechnicalcommittees collaborateinfieldsofmutualin
5、terest.Otherinternationalorganizations,governmentalandnongovernmental, inliaisonwithISOandIEC,alsotakepartinthework. 2) Inthefieldofinformationtechnology,ISOandIEChaveestablishedajointtechnicalcommittee, ISO/IECJTC1.DraftInternationalStandardsadoptedbythejointtechnicalcommitteearecirculatedtonationa
6、l bodiesforvoting.PublicationasanInternationalStandardrequiresapprovalbyatleast75%ofthenational bodiescastingavote. 3) AttentionisdrawntothepossibilitythatsomeoftheelementsofthisTechnicalReportmaybethesubjectof patentrights.ISOandIECshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights. Th
7、emaintaskofIECandISOtechnicalcommitteesistoprepareInternationalStandards.In exceptionalcircumstances,atechnicalcommitteemayproposethepublicationofatechnical reportofoneofthefollowingtypes: type1,whentherequiredsupportcannotbeobtainedforthepublicationofan InternationalStandard,despiterepeatedefforts;
8、 type2,whenthesubjectisstillundertechnicaldevelopmentorwhere,foranyother reason,thereisthefuturebutnotimmediatepossibilityofanagreementonan InternationalStandard; type3,whenthetechnicalcommitteehascollecteddataofadifferentkindfromthatwhich isnormallypublishedasanInternationalStandard,forexamplestate
9、oftheart. Technicalreportsoftypes1and2aresubjecttoreviewwithinthreeyearsofpublicationto decidewhethertheycanbetransformedintoInternationalStandards.Technicalreportsof type3donotnecessarilyhavetoberevieweduntilthedatatheyprovideareconsideredtobe nolongervalidoruseful. ISO/IEC15044,whichisatechnicalre
10、portoftype2,waspreparedbysubcommittee25: Interconnectionofinformationtechnologyequipment,ofISO/IECjointtechnicalcommittee1: Informationtechnology. InternationalStandardsaredraftedinaccordancewithISO/IECdirectives,Part3. Thisdocumentisissuedinthetype2technicalreportseriesofpublications(accordingto 15
11、.2.2oftheProceduresforthetechnicalworkofISO/IECJTC1(1998)asaprospective standardforprovisionalapplicationinthefieldoftheHomeElectronicSystem(HES), becausethereisanurgentrequirementforguidanceonhowstandardsinthisfieldshouldbe understood. ThisdocumentisnottoberegardedasanInternationalStandard.Itisprop
12、osedfor provisionalapplicationsothatinformationandexperienceofitsuseinpracticemaybe gathered.CommentsonthecontentofthisdocumentshouldbesenttotheIECCentral Office. Areviewofthistype2technicalreportwillbecarriedoutnotlaterthanthreeyearsafterits publicationwiththeoptionofextensionforafurtherthreeyearso
13、rconversioneithertoan InternationalStandardorwithdrawal.4 TR15044ISO/IEC:2000(E) INFORMATIONTECHNOLOGY TERMINOLOGYFORTHEHOMEELECTRONICSYSTEM(HES) 1Scope Thehomeelectronicsystem(HES)providesacommonmethodforinterfacingequipmentwith avarietyofhomecontrolsystems(HCS)suchassensors,actuators,appliances,us
14、er interfaces,controllers,switchesetc.AnHCSisalocalareanetworkspecializedforresidential communications,commonlycalledhomeautomation. ThisterminologyisapplicabletoallstandardsandtechnicalreportsdealingwithHES. 2Terminology 2.1 application fieldofuseofanHES.AnHESmaysupportmorethanoneapplication 2.2 ap
15、plicationobject anHESobjectlocatedwithintheHESdeviceapplicationprocess 2.3 application process anelementwithinanHESwhichperformstheinformationprocessingforaparticular application 2.4 applicationprotocol standardizedprotocolfortheexchangeofinformationbetweenapplicationprocessesinan HES.Itistransporte
16、dwithoutinterpretationbythehomenetworkresources 2.5 architecture conceptualstructureofsystemsthataretocommunicatewitheachother 2.6 bridge functionalunitinterconnectingtwohomenetworksystemsthatusethesamenetworklayer protocolbutwheretheremaybesomedifferencesinthelinklayerprotocol 2.7 classesofhomecont
17、rolsystems characterizationofhomecontrolsystemsbasedontheirtransportcapabilities 2.8 connection associationestablishedbetweentwopeerentitiesacrossanetwork(orpartofanetwork)for thepurposeofcommunicationbetweentheentities.Theassociationisexplicitlyestablished atsomepointintime,andexistsuntilexplicitly
18、endedTR15044ISO/IEC:2000(E) 5 2.9 connectionmodeservice serviceprovidingcommunicationbetweentwoentitieswithinthecontextofaconnection establishedbetweentheentities 2.10 connectionlessmodeservice serviceprovidingcommunicationbetweentwoentitiesnotwithinthecontextofaconnection establishedbetweentheentit
19、ies 2.11 controlchannel acommunicationchannelthatisestablishedbetweentwoormoreentitiesfortheprimary purposeofexchangeofHEScontrolandmonitoringmessages 2.12 controller anydevicewiththecapabilityofcontrollingandpossiblymonitoringotherdevices 2.13 device physicalimplementationoffunctionsbelongingtooneo
20、rmorefunctionalgroupingsproviding aservicedirectlyforanenduser 2.14 deviceapplicationprocess elementwithinadevicethatperformsinformationprocessingforaparticularapplication. Deviceapplicationprocessescanrepresentmanual,automated,computerizedorphysical processes 2.15 domain rangeofvalidity NOTE Whenus
21、edforaspecificconcept,theexactdomainshouldbestated,forexampleapplicationdomain,user domain. 2.16 enduser entityoutsidethehomecontrolsystemdomainthatusestheservicesandfunctionsofthe homecontrolsystem 2.17 flowcontrol functionthatcontrolstheflowofdatawithinalayer.Itregulatestherateatwhichinformation i
22、sexchangedbetweenpeerentities 2.18 functionalgrouping setoffunctionsperformingpartoftheoperationsofahomecontrolsystem NOTE Thefunctionsinafunctionalgroupingmightbeperformedinoneormorepiecesofequipmentandthe functionsofseveralfunctionalgroupingsmightbeperformedinonepieceofequipment. 2.19 gateway unit
23、connectingdifferentnetworksorpartsofonenetworkandperforminganynecessary protocoltranslation6 TR15044ISO/IEC:2000(E) 2.20 HESdeviceapplicationprocess thatpartofadeviceapplicationprocessthatisaccessiblethroughtheHEScommunication network.AnHESdeviceapplicationprocessisbuiltupfromapplicationobjects.The
24、functionalityoftheHESdeviceapplicationprocessisdefinedinthisseriesofstandardorin appropriateproductstandards 2.21 HEShomenetwork homenetworksupportingandincludingUniversalInterfaces 2.22 homecontrolsystem homenetworktogetherwithallthedevicesattachedtoit,includingtherulesforcontrol, communicationandm
25、anagementamongapplicationprocesses.Threeclassesofhome controlsystemsaredefined 2.23 homecontrolsystemclass1 homecontrolsystemwithtransportcapabilitiesfortelecontrolapplicationssuchas: control monitoring measurement a l a r m lowspeeddatatransfer NOTE Thesecapabilitiesaretypicallyprovidedby: singlepa
26、cketmodelowbandwidthchannel digitaltransmission. 2.24 homecontrolsystemclass2 homecontrolsystemwithclass1transportcapabilitiesplus: switchedvoiceorotherinformationtransferofsimilarbandwidth NOTE Thesecapabilitiesaretypicallyprovidedbyaclass1systemenhancedwith: multipleswitchedmediumbandwidthchannels
27、 analogueordigitaltransmissionorboth Inprincipleallclass2capabilitiescanbesupportedonasingleclass2channel.Forpracticalreasonshowever, class2homecontrolsystemsmaycontainaseparatechanneloruseaseparatemediumtosupportclass1 capabilities. 2.25 homecontrolsystemclass3 homecontrolsystemwithclass2transportc
28、apabilitiesplus: switchedhighqualitysoundandvideotransferandhighspeeddatatransfer NOTE Thesecapabilitiesaretypicallyprovidedbyaclass2systemenhancedwith: multipleswitchedhighbandwidthchannels analogueordigitaltransmissionorboth Inprincipleallclass3capabilitiescanbesupportedonasingleclass3channel.Forp
29、racticalreasonshowever, class3homecontrolsystemsmaycontainseparatechannelsoruseseparatemediatosupportclass1and2 capabilities. 2.26 homeelectronicsystem,HES ahomecontrolsystemthatconformstotheHESstandards.TherearethreeclassesofHESs correspondingtotheclassesofhomecontrolsystemsTR15044ISO/IEC:2000(E) 7
30、 2.27 homenetwork internalnetworkfordigitalandanalogueinformationtransportinhomeorbusinesspremises ofsimilarcomplexity,providingdefinedaccesspointsandusinganymediuminanytopology 2.28 informationchannel acommunicationchannelthatisestablishedbetweentwoormoreentitiesfortheprimary purposeofexchangeofinf
31、ormationotherthanHEScontrolandmonitoringmessages. Examplesofsuchinformationareaudioorvideodata,FAXdataandanalogueordigital speechsignals 2.29 interconnectivity abilityofdevicestobeconnectedtoasharedtransmissionmediumbyproperspecificationof mechanical,electricalandfunctional(lowerlayerprotocol)charac
32、teristics 2.30 interface sharedboundarybetweentwoimplementationsoffunctionsbelongingtooneormore functionalgroupings 2.31 interoperability abilityofdevicestoexchangecomm andsviathehigherlayersresultinginmeaningfulactions. ThisincludesaspectsoftheapplicationdomainwhichbydefinitionisbeyondtheOSIdomain
33、2.32 isolatingfunctions functionsprovidingsafetyisolationbetweenadeviceandanNAU 2.33 localapplicationprocess thepartofanapplicationprocesswithinadevicethatisnotaccessiblethrougha communicationnetwork.Itislocatedwithintheuserdomainandthereforemayalsobecalled thelocaluserprocess 2.34 mediumattachmentp
34、oint physicalconnectionpointtoamedium 2.35 mediuminterface,MI interfaceplacedatthemediumattachmentpoint,ReferencePointA,whichconnectsadevice oraNAUdirectlytothetransmissionmedium.Mechanical,electrical,functionaland proceduralcharacteristicsarenotprovidedintheHESstandards 2.36 networkaccesspoint conn
35、ectionpointgivingaccesstoahomenetwork 2.37 networkaccessunit,NAU physicalimplementationoffunctionsbelongingtooneormorefunctionalgroupingsproviding accesstoahomenetworkanditstransmissionmediumincludingthenecessaryfunctionsfor theparticularimplementation,forexamplecontentioncontrol.IthasoneNSAP,andcan
36、be uniquelyidentifiedbyoneormorenetworkaddresses8 TR15044ISO/IEC:2000(E) 2.38 networkpowereddevice,NPD devicethatderivesitspowerfromthenetwork 2.39 networksegment partofanetworkthatiswithinthedomainofasinglelinklayer 2.40 object setofdatawithassociatedfunctionsapplicabletoit.AnHESobjectcanbeimplemen
37、tedin variousways 2.41 offstate stateinwhichanSIdeviceisnotperformingitsintrinsicfunction 2.42 onstate stateinwhichanSIdeviceisperformingitsintrinsicfunction 2.43 packetswitchedtransmission transmissionthatusescommunicationbandwidthinbursts.Anentitytransmittingdatausing packetswitchedtransmissionorg
38、anisesthedataindiscrete“packets“.Typically,twoormore entitiesusingpacketswitchedtransmissionshareacommunicationchannel.Aprotocolis requiredtoresolvecontentionbetweentransmittingentitiestoallowtheorderlyinterleavingof packetsfromdifferententities 2.44 plugcompatibility thecombinedcapabilityofinterope
39、rabilityandinterconnection.Itusuallyimpliesthata particularinterfaceisclaimedforaparticularpurposetotheextentthatshowingacertain interfaceimpliesinterworkingcapabilities 2.45 processinterface anyinterfacebetweendevicesandthenetwork,placedabovelayer7intheOSIreference model,inahomecontrolsystem NOTE E
40、xamplesofprocessinterfacesare:onebitinterfaces,parallelinterfaces,andanalogueinterfaces. 2.46 processinterfaceadaptation processofadaptingadeviceoranNAUtoaprocessinterface 2.47 referencemodel modelthatdescribesthegeneralprinciplesofinterconnectionsinasystemandthenetwork architectureresultingfromthos
41、eprinciples 2.48 repeater unitthatamplifiesandregeneratessignalstoextendtherangeoftransmissionsbetween mediumattachmentpointsortointerconnecttwonetworksegmentsthatusethesame protocolsTR15044ISO/IEC:2000(E) 9 2.49 segmentation functionperformedbyan(N)entitytomapone(N)SDUintomultiple(N)DPUs.Itisthe re
42、versefunctiontoreassembling 2.50 selfpowereddevice,SPD devicewhichderivesitspowerfromothersourcesthanthenetwork 2.51 SIadaptation processofadaptingadeviceoranNAUtotheSI 2.52 SIcableconnector standardizedconnectoronanSIcableforconnectinganSIdevicetoanSINAU NOTE Thedeviceendofthecablemayhaveaconnector
43、orbepermanentlyattachedtothedevice. 2.53 SIconnection connectionpointbetweenanSIcable(whereapplicable)andanSIdevice 2.54 SIconnector connectoronanSINAUforconnectinganSIdevicetoanSINAU NOTE TheSIconnectorisnormallymountedinthewall. 2.55 SIcontrolsignal signaltransmittedviaanSINAUtoanSIdevicetosetthestateofthedevice 2.56 SIdevice devicesupportingandofferingtheSI NO
