ISO INTERNATIONAL STANDARD 18750 First edition 2018-05 Intelligent transport systems Co-operative ITS Local dynamic map Systemes de transport intelligents - Systemes intelligents de transport coopératifs Etat des connaissances des cartes Reference number IS0 18750:2018(E) ISO @IS02018 IS0 18750:2018(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2018 All 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 written permission. Permission can be requested from either IsO at the address below or Iso's member body in the country of the requester. ISO copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +4122 749 0111 Fax: +41 22 749 09 47 Email: copyright@iso.org Website: www.iso.org Published in Switzerland ii @ IS0 2018 - All rights reserved IS0 18750:2018(E) Contents Page Foreword ..V Introduction. ...vi 1 Scope. 2 Normative references 3 Terms and definitions 4 Symbols and abbreviated terms 5 Architectural environment ..4 5.1 Local Dynamic Map .4 5.2 LDM in an ITS-S ..4 5.3 LDM in an ITS-SU .5 5.4 LDM related processes. 5.4.1 Synchronization of LDMs .7 5.4.2 ArchivingofLDMDataObjects .7 5.5 LDM for road safety and vehicle-to-vehicle applications 7 5.6 Security perspective. ..8 5.6.1 Authorised access to LDM ..8 5.6.2 Initialisation and installation of applications to the BSMD ..8 5.6.3 Privacy 9 5.7 An LDM versus other similar functionalities in an ITS-SU .9 6 Functionality .9 6.1 Terms and conventions ..9 6.2 Structure of an LDM. .11 6.3 LDM Data Storage. ..12 6.4 LDM services .14 6.4.1 Registration, deregistration, and revocation of ITS-S application processes .14 6.4.2 Security checking in access requests .14 6.4.3 Access request management. .15 6.5 LDM maintenance. ..17 6.5.1 LDM Area of Maintenance. .17 6.5.2 Outdated data management. .17 6.6 LDM knowledge base .17 6.6.1 Metadata .17 6.6.2 Utility functions .18 6.7 Interfaces. .18 6.7.1 Types of interfaces .18 6.7.2 Parameters of interface functions .19 6.7.3 LDM application management interface .20 6.7.4 LDM data interface.. .22 6.7.5 Security interface 25 6.7.6 LDM management interface 26 6.7.7 Service access points. .27 7 Procedures. .30 7.1 LDM services 30 7.1.1 Registration, deregistration, and revocation of ITS-S application processes 30 7.1.2 Security checking in access requests 30 7.1.3 Access request management 30 7.1.4 Second level filtering 32 7.2 LDM maintenance. 33 7.2.1 Area management. .33 7.2.2 Outdated data removal .33 7.3 LDM knowledge data base. .33 7.4 Interfaces 33 @ IS0 2018 - All rights reserved iii