1、Information technology Distributed application platforms and services(DAPS)Framework for distributed real-time access systemsTechnologies de linformation Services et plate-formes dapplication distribues Structure pour les contrles daccs diffuss en temps relINTERNATIONAL STANDARDISO/IEC20933Reference
2、 numberISO/IEC 20933:2019(E)Second edition2019-01 ISO/IEC 2019 ISO/IEC 20933:2019(E)ii ISO/IEC 2019 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO/IEC 2019All rights reserved.Unless otherwise specified,or required in the context of its implementation,no part of this publication may be reproduce
3、d 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 written permission.Permission can be requested from either ISO at the address below or ISOs member body in the country of the requester.ISO copy
4、right officeCP 401 Ch.de Blandonnet 8CH-1214 Vernier,GenevaPhone:+41 22 749 01 11Fax:+41 22 749 09 47Email:copyrightiso.orgWebsite:www.iso.orgPublished in Switzerland ISO/IEC 20933:2019(E)Foreword.ivIntroduction.v1 Scope.12 Normative references.13Termsanddefinitionsandacronyms.14 Conformance.35 Over
5、view.36 Transaction.47 Time stamping function.68 Module.68.1 Policy module.68.2 Access-point module.78.3 RED module.78.4 Processing module.78.5 Storage module.79 Messages of each interface.79.1 Messages of Policy interface.89.2 Message of Access interface.89.3 Messages of Processing interface.99.4 M
6、essages of Storage interface.1110 Messages of external interfaces.1310.1 Access request from external interface(In).1310.2 Final result notification to external interface(Out).1310.3 Time stamp notification.1411 Access system performance management.1411.1 Transaction processing time.1511.2 Request p
7、erformance time.1511.3 Module processing time.1611.4 Data transmission time.1711.5 Request performance time for retrieve.1711.6 Module processing time for retrieve.1711.7 Data transmission time for retrieve.1811.8 Request performance time for store.1811.9 Module processing time for store.1911.10 Dat
8、a transmission time for store.1911.11 Access point processing time.19Annex A(informative)Service access control system.21Annex B(informative)Share information between different Access systems.22Annex C(informative)Usage of time stamping.23Annex D(informative)List of messages.26 ISO/IEC 2019 All righ
9、ts reserved iiiContents Page ISO/IEC 20933:2019(E)ForewordISO(the International Organization for Standardization)and IEC(the International Electrotechnical Commission)form the specialized system for worldwide standardization.National bodies that are members of ISO or IEC participate in the developme
10、nt of International Standards through technical committees established by the respective organization to deal with particular fields of technical activity.ISO and IEC technical committees collaborate in fields of mutual interest.Other international organizations,governmental and non-governmental,in
11、liaison with ISO and IEC,also take part in the work.The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives,Part 1.In particular,the different approval criteria needed for the different types of document should be noted(see
12、www.iso.org/directives).Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights.ISO and IEC shall not be held responsible for identifying any or all such patent rights.Details of any patent rights identified during the development of the d
13、ocument will be in the Introduction and/or on the ISO list of patent declarations received(see www.iso.org/patents)or the IEC list of patent declarations received(see http:/patents.iec.ch).Any trade name used in this document is information given for the convenience of users and does not constitute
14、an endorsement.For an explanation of the voluntary nature of standards,the meaning of ISO specific terms and expressions related to conformity assessment,as well as information about ISOs adherence to the World Trade Organization(WTO)principles in the Technical Barriers to Trade(TBT)see www.iso.org/
15、iso/foreword.html.This document was prepared by Ecma International(as ECMA-412)and drafted in accordance with its editorial rules.It was assigned to Joint Technical Committee ISO/IEC JTC 1,Information technology,and adopted under the“fast-track procedure”.This second edition cancels and replaces the
16、 first edition(ISO/IEC 20933:2016),which has been technically revised.The main changes compared to the previous edition are as follows:added new functionalities on performance management mechanisms;editorial improvements and clarifications to the text of the document.Any feedback or questions on this document should be directed to the users national standards body.A complete listing of these bodies can be found at www.iso.org/members.html.iv ISO/IEC 2019 All rights reserved ISO/IEC 20933:2019(E)