Informationtechnology—Distributedapplicationplatformsandservices(DAPS)—Frameworkfordistributedreal-timeaccesssystemsTechnologiesdel'information—Servicesetplate-formesd'applicationdistribuées—Structurepourlescontrôlesd'accèsdiffusésentempsréelINTERNATIONALSTANDARDISO/IEC20933ReferencenumberISO/IEC20933:2019(E)Secondedition2019-01©ISO/IEC2019ISO/IEC20933:2019(E)ii©ISO/IEC2019–AllrightsreservedCOPYRIGHTPROTECTEDDOCUMENT©ISO/IEC2019Allrightsreserved.Unlessotherwisespecified,orrequiredinthecontextofitsimplementation,nopartofthispublicationmaybereproducedorutilizedotherwiseinanyformorbyanymeans,electronicormechanical,includingphotocopying,orpostingontheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanberequestedfromeitherISOattheaddressbeloworISO’smemberbodyinthecountryoftherequester.ISOcopyrightofficeCP401•Ch.deBlandonnet8CH-1214Vernier,GenevaPhone:+41227490111Fax:+41227490947Email:copyright@iso.orgWebsite:www.iso.orgPublishedinSwitzerlandISO/IEC20933:2019(E)Foreword........................................................................................................................................................................................................................................ivIntroduction..................................................................................................................................................................................................................................v1Scope.................................................................................................................................................................................................................................12Normativereferences......................................................................................................................................................................................13Termsanddefinitionsandacronyms.......................................................