ISO 20078-2:2021 PDF

Name: ISO 20078-2:2021 — Road vehicles — Extended vehicle (ExVe) web services — Part 2: Access
SKU: ISO 20078-2:2021
Price: 25 EUR
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Road vehicles — Extended vehicle (ExVe) web services — Part 2: Access

Название (английский):

ISO 20078-2:2021

Road vehicles — Extended vehicle (ExVe) web services — Part 2: Access

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 66
Дата публикации:: 30 ноября 2021 г.
Издание:: ISO IS 20078 edition 2 version 1
ICS:: 43.040.15

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Описание (английский):

This document defines how to access resources on a web-services interface of an offering party using the Hypertext Transfer Protocol Secure (HTTPS). Resources can be accessed through request/reply and/or requested to be pushed. The Representational State Transfer (REST) architectural pattern is chosen as a common way to format resource paths both for request/reply and push. Some specific extensions to this pattern are defined to allow for asynchronous resource requests, such as, for example, forcing readouts of data from a connected vehicle.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

ISO 20078-2:2021 - "Road vehicles - Extended vehicle (ExVe) web services - Part 2: Access" defines how an accessing party securely accesses resources on an offering party’s web‑services interface for connected vehicles. The standard mandates use of secure HTTP (HTTPS/TLS) and adopts the Representational State Transfer (REST) architectural pattern for resource paths. It specifies both synchronous request/reply and asynchronous push interaction patterns, including extensions to support asynchronous readouts (e.g., forcing data readouts from a connected vehicle).

Key technical topics

REST-based web services over HTTPS with TLS (transport security) and HTTP/1.1+ compatibility.

Interaction patterns:

Request/reply (recommended): client requests resource via HTTP GET/POST, server responds.
Push: offering party pushes resources to accessing party; includes subscription initiation and confirmation.
Push with subsequent request/reply: push of a reference followed by a fetch.

Resource model and URIs:

Resources exposed as plural-noun collections and uniquely identified by URIs (e.g., {base_URI}/vehicles/{vehicleId}/...).
Base URI definition and compatibility with ExVe application resource paths.

Subscription profiles and reusable subscription information for push delivery.

Container management API and OpenAPI specifications (Annex A, B, C).

Operational controls and quality aspects addressed in the standard:

Resource versioning
Rate limits
HTTP methods and response status codes
Error messaging and interaction patterns (asynchronous handling)
Media types and HTTP header fields

Normative references include ISO 20078-1 (Content and definitions), ISO 8601 (date/time), and links to OpenAPI artifacts.

Key requirements (examples)

REQ_04_01_01: Interface shall use HTTPS with TLS.

REQ_04_01_02: HTTP shall be version 1.1 or higher.

REQ_04_01_03: TLS shall be 1.2 or higher.

REQ_04_01_05: Request/reply REST implementation shall be stateless.

REQ_04_02_02: Exposed resources shall be uniquely identified by URIs. (These are representative requirement identifiers from the standard.)

Practical applications and who uses it

ISO 20078-2 is targeted at organizations building and operating connected vehicle ecosystems:

Vehicle manufacturers (OEMs) designing ExVe server endpoints.

Telematics service providers and backend platform architects.

Tier‑1 suppliers implementing ECU/vehicle data exposure.

Fleet operators and telematics integrators consuming vehicle data securely.

Security and API teams specifying access control, rate limiting, and asynchronous workflows for vehicle data.

Adopting ISO 20078-2 helps ensure interoperable, secure, and predictable access to vehicle resources for telemetry, diagnostics (DTC readouts), vehicle functions (lock/unlock), and other telematics services.

ISO 20078-2:2021 PDF

Abstract

Похожие стандарты

Overview

Key technical topics

Key requirements (examples)

Practical applications and who uses it

Related standards

Технические детали

BS ISO 20078-1:2019

Road vehicles. Extended vehicle (ExVe) web services - Content

ISO 8601-1:2019/Amd 1:2022

Date and time — Representations for information interchange — Part 1: Basic rules — Amendment 1: Technical co…

BS ISO 20078-2:2019

Road vehicles. Extended vehicle (ExVe) web services - Access

BS ISO 20078-3:2019

Road vehicles. Extended vehicle (ExVe) web services - Security