ISO 21219-5:2019 PDF

Intelligent transport systems — Traffic and travel information (TTI) via transport protocol experts group, generation 2 (TPEG2) — Part 5: Service framework (TPEG2-SFW)

Название (английский):

ISO 21219-5:2019

Intelligent transport systems — Traffic and travel information (TTI) via transport protocol experts group, generation 2 (TPEG2) — Part 5: Service framework (TPEG2-SFW)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 42
Дата публикации:: 24 июля 2019 г.
Издание:: ISO IS 21219 edition 1 version 1
ICS:: 03.220.01

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Описание (английский):

This document establishes a method of conveying data for a wide range of applications that require the efficient transmission of point to multi-point data over potentially unreliable broadcast channels. It is also suitable for point-to-point and multicast applications and may easily be encapsulated in Internet Protocol. This document describes the basic capabilities of the generation 2 TPEG (TPEG2) for providing a multiplex of TPEG Services and applications. Together with the definitions of the general TPEG UML modelling rules and the particular physical TPEG representations for TPEG-binary streams (TISA: TPEG UML Conversion Rules) and tpegML files (TISA Specification: TPEG UML Conversion Rules), it replaces the former documents TPEG-INV and TPEG-SSF.

Технические детали

Технический комитет: ISO/TC 204 - Intelligent transport systems
SKU: ISO 21219-5:2019

Abstract

Overview

ISO 21219-5:2019 - TPEG2 Service Framework (TPEG2‑SFW) specifies the service framework for Traffic and Travel Information delivered using the Transport Protocol Experts Group Generation 2 (TPEG2). The standard defines how a multiplex of TPEG Services and Service Components is structured and signalled so that traffic, travel and related data can be efficiently transmitted over potentially unreliable broadcast channels (and equally over point‑to‑point or multicast/IP transport). ISO 21219‑5:2019 replaces earlier TPEG1/TPEG documents (TPEG‑INV and TPEG‑SSF) and ties the UML modelling approach to the two physical representations: TPEG‑binary and tpegML.

Key topics and technical requirements

Service multiplexing and structure
- Definition of a TPEG Service (multiplex of Service Components) and TPEG Service Component (virtual channel for a specific TPEG application).
- Rules for the TPEG Stream Directory to signal services present in a stream or file.
Layered model
- Description of Transport, Service, and Service Component levels and how they interact.
Modelling and physical representations
- UML‑based modelling rules for TPEG2 and conversion rules to:
  - TPEG‑binary (annex A - normative) and
  - tpegML (annex B - normative).
Operational attributes and administration
- Service Identification (SID) administration procedures (annex C - normative).
- CRC calculation rules for integrity checking (annex D - normative).
Design principles
- Efficient point‑to‑multi‑point delivery over byte‑oriented channels; easy encapsulation in IP; backward compatibility considerations with TPEG1.
Normative references and terminology
- Terms/definitions for TPEG roles (Server, Client), frames, streams and structures; references to related TPEG parts.

Applications and who uses it

ISO 21219‑5:2019 is intended for organizations and professionals implementing traffic and travel information systems:

Broadcast service operators (DAB/DVB) delivering TTI over broadcast channels.
Traffic and travel data providers and aggregators designing multiplexed TPEG services.
Navigation system and OEM suppliers integrating TPEG2 decoders and filter logic.
Software developers producing TPEG‑aware servers, clients and middleware (binary and XML/tpegML tools).
ITS integrators and public transport authorities using TPEG2 for dynamic content (real‑time incidents, parking, PTI) and static content. Practical use cases include broadcast traffic bulletins, multicast updates to fleet vehicles, encapsulation in IP for internet delivery, and hybrid broadcast/broadband TTI services.

Related standards

ISO 21219 series (TPEG2 toolkit, transport and application parts), e.g. ISO 21219‑2/3/4 (UML and conversion rules), ISO 21219‑6 (message management), ISO/TS 21219‑7 (location referencing).
Legacy reference: ISO/TS 18234‑3 (TPEG1 SNI).

Keywords: ISO 21219-5:2019, TPEG2, TPEG2‑SFW, Traffic and Travel Information, intelligent transport systems, tpegML, TPEG binary, service framework.

Overview

Key topics and technical requirements

Service multiplexing and structure
- Definition of a TPEG Service (multiplex of Service Components) and TPEG Service Component (virtual channel for a specific TPEG application).
- Rules for the TPEG Stream Directory to signal services present in a stream or file.
Layered model
- Description of Transport, Service, and Service Component levels and how they interact.
Modelling and physical representations
- UML‑based modelling rules for TPEG2 and conversion rules to:
  - TPEG‑binary (annex A - normative) and
  - tpegML (annex B - normative).
Operational attributes and administration
- Service Identification (SID) administration procedures (annex C - normative).
- CRC calculation rules for integrity checking (annex D - normative).
Design principles
- Efficient point‑to‑multi‑point delivery over byte‑oriented channels; easy encapsulation in IP; backward compatibility considerations with TPEG1.
Normative references and terminology
- Terms/definitions for TPEG roles (Server, Client), frames, streams and structures; references to related TPEG parts.

Applications and who uses it

ISO 21219‑5:2019 is intended for organizations and professionals implementing traffic and travel information systems:

Broadcast service operators (DAB/DVB) delivering TTI over broadcast channels.
Traffic and travel data providers and aggregators designing multiplexed TPEG services.
Navigation system and OEM suppliers integrating TPEG2 decoders and filter logic.
Software developers producing TPEG‑aware servers, clients and middleware (binary and XML/tpegML tools).
ITS integrators and public transport authorities using TPEG2 for dynamic content (real‑time incidents, parking, PTI) and static content. Practical use cases include broadcast traffic bulletins, multicast updates to fleet vehicles, encapsulation in IP for internet delivery, and hybrid broadcast/broadband TTI services.

Related standards

ISO 21219 series (TPEG2 toolkit, transport and application parts), e.g. ISO 21219‑2/3/4 (UML and conversion rules), ISO 21219‑6 (message management), ISO/TS 21219‑7 (location referencing).
Legacy reference: ISO/TS 18234‑3 (TPEG1 SNI).

Keywords: ISO 21219-5:2019, TPEG2, TPEG2‑SFW, Traffic and Travel Information, intelligent transport systems, tpegML, TPEG binary, service framework.

ISO 21219-5:2019 PDF

Технические детали

Abstract

Overview

Key topics and technical requirements

Applications and who uses it

Related standards

Похожие стандарты

Abstract

Overview

Key topics and technical requirements

Applications and who uses it

Related standards

Похожие стандарты

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