BS IS0 21806-4:2020 BSl Standards Publication Road vehicles Media Oriented Systems Transport (MOST) Part 4: Transport layer and network layer bsi. BSISO21806-4:2020 BRITISH STANDARD Nationalforeword ThisBritish Standard is theUK implementationof IS021806-4:2020 The UK participation in its preparation was entrusted to Technical Committee AUE/16, Data Communication (Road Vehicles). A list of organizations represented on this committee can be obtained on requesttoits committeemanager. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. TheBritishStandardsInstitution2020 PublishedbyBSIStandardsLimited2020 ISBN9780539030440 ICS43.040.15 Compliance with a British Standard cannot confer immunityfrom legal obligations. This British Standard was published under the authority of the StandardsPolicyandStrategyCommitteeon30September2020. Amendments/corrigendaissued sincepublication Date Textaffected BS IS0 21806-4:2020 ISO INTERNATIONAL STANDARD 21806-4 First edition 2020-09 Road vehicles Media Oriented Systems Transport (MosT) - Part 4: Transport layer and network layer Vehicules routiers-Systeme de transport axe sur les medias - Partie4: Couchede transport et couche réseau Reference number IS0 21806-4:2020(E) ISO @IS02020