Intelligent transport systems. Local dynamic map

Intelligent transport systems. Local dynamic map

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1   Scope

This document:
  1. — describes the functionality of a "local dynamic map" (LDM) in the context of the "bounded secured managed domain" (BSMD);
  2. — specifies:
    1. — 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;
    2. — service access point functions providing interfaces in an ITS station (ITS-S) to access an LDM for:
      1. — secure add, update and delete access for ITS-S application processes;
      2. — secure read access (query) for ITS-S application processes;
      3. — secure notifications (upon subscription) to ITS-S application processes;
      4. — management access:
        1. — secure registration, de-registration and revocation of ITS-S application processes at LDM;
        2. — secure subscription and cancellation of subscriptions of ITS-S application processes;
    3. — procedures in an LDM considering:
      1. — means for maintaining the content and integrity of the data store;
    4. — mechanisms supporting several LDMs in a single ITS station unit.