ISO IEC TR 15044-2000 Information technology - Terminology for the Home Electronic System (HES)《信息技术 家用电子系统术语(HES)》.pdf

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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