EN ISO 18750:2025

This document:— describes the functionality of a "local dynamic map" (LDM) in the context of the "bounded secured managed domain" (BSMD);— specifies:— general characteristics of LDM Data Objects (LDM-DOs) that can be stored in an LDM, i.e. information on real objects such as vehicles, road works sections, slow traffic sections, special weather condition sections, which are as a minimum requirement location-referenced and time-referenced;— service access point functions providing interfaces in an ITS station (ITS-S) to access an LDM for:— secure add, update and delete access for ITS-S application processes;— secure read access (query) for ITS-S application processes;— secure notifications (upon subscription) to ITS-S application processes;— management access:— secure registration, de-registration and revocation of ITS-S application processes at LDM;— secure subscription and cancellation of subscriptions of ITS-S application processes;— procedures in an LDM considering:— means for maintaining the content and integrity of the data store;— mechanisms supporting several LDMs in a single ITS station unit.