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 may be stored in an LDM, i.e. information on real objects such as vehicles, road works sections, slow traffic sections, special weather condition sections, etc. 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 to maintain the content and integrity of the data store; — mechanisms supporting several LDMs in a single ITS station unit.