1、Architecture for a distributed real-time access systemArchitecture dun systme daccs temps rel distribu ISO/IEC 2020INTERNATIONAL STANDARDISO/IEC24643Reference numberISO/IEC 24643:2020(E)First edition2020-11 ISO/IEC 24643:2020(E)ii ISO/IEC 2020 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO/IEC
2、2020All rights reserved.Unless otherwise specified,or required in the context of its implementation,no part of this publication may be reproduced or utilized otherwise in any form or by any means,electronic or mechanical,including photocopying,or posting on the internet or an intranet,without prior
3、written permission.Permission can be requested from either ISO at the address below or ISOs member body in the country of the requester.ISO copyright officeCP 401 Ch.de Blandonnet 8CH-1214 Vernier,GenevaPhone:+41 22 749 01 11Email:copyrightiso.orgWebsite:www.iso.orgPublished in SwitzerlandISO/IEC 24
4、643:2020(E)iiiISO/IEC2020AllrightsreservedContents Page1Scope.12Normative references.13Terms and definitions.14Overview.15Functional architecture of an access system.35.1Physical function group.3 5.1.1 Components.3 5.1.2 Access object.4 5.1.3 Access point.4 5.2 Network layer.5 5.2.1 Components.5 5.2
5、.2 Edge.5 5.2.3 Telecommunication network.5 5.3 Service function group.5 5.3.1 Components.5 5.3.2 Processing f unctions.6 5.3.3 Transaction data.6 5.4 Platform function group.6 5.4.1 Components.6 5.4.2 Policy function.7 5.4.3 Authentication and access object data.7 5.4.4 System data.7 5.4.5 Inter ap
6、plications.7 6Interfaces.86.1 Physical function group and network function group.8 6.2 Network function group and service function group.8 6.3 Service function group and application function group.8 6.4 Inter applications.8 Annex A(informative)Example of the data format.9A.1Transaction data.9A.2Auth
7、entication and access object data.9A.3System data.10Annex B(informative)Example of complicated authentication.11B.1Enter an important facility.11B.2Electronic voting system for election.11B.3Authentication process.12Bibliography.13Introduction.vForeword.ivivISO/IEC2020AllrightsreservedISO/IEC 24643:
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14、It was assigned to Joint Technical Committee ISO/IEC JTC 1,Information technology,and adopted under the fast-track procedure.Anyfeedbackorquestionsonthisdocumentshouldbedirectedtotheusersnationalstandardsbody.Acompletelistingofthesebodiescanbefoundatwww.iso.org/members.html.ISO/IEC 24643:2020(E)vISO
15、/IEC2020AllrightsreservedIntroduction Technologyforrealtimeaccesscontroliswidelyusedinmanysituationssuchasfacilityentrancesystemsinabuilding,paymentsatahotel,ATMoperationsorevotinginanelection,etc.Theseservicesbenefitfromrealtimeaccesscontrolsystemsconnectedvianetworksandusingdatabaseinformation.Sop
16、histicatedcloud,virtualization,database,networkingtechnologyandservicesandtheevolutionofauthenticationtechnologysuchasbiometrics,NFC,QRcodesusedindistributedandmodularaccesscontrolsystemsenablepreviouslyunderservedusersandoperatorstoinnovatearoundnewusecases.For realizing such realtime access system,an Ecma standard ECMA412(also published asInternationalStandardISO/IEC20933)“Frameworkfordistributedrealtimeaccesssystems”wasfirstintroducedin2016witha2ndeditionfollowingin2018.Thatstandardspecifiest