Intelligent transport systems - Cooperative ITS - ITS station facilities for the transfer of information between ITS stations (ISO/TS 17429:2017)

ISO/TS 17429:2017 specifies generic mechanisms enabling the exchange of information between ITS stations for applications related to Intelligent Transport Systems. It complies with the ITS station reference architecture (ISO 21217) and defines the following ITS station facilities layer functionalities:
- Communication Profile Handler (CPH);
- Content Subscription Handler (CSH);
- Facilities Services Handler (FSH).
These functionalities are used by ITS-S application processes (ITS-S-AP) to communicate with other ITS-S application processes and share information. These functionalities describe
- how lower-layer communication services assigned to a given data flow are applied to the service data units at the various layers in the communication protocol stack (CPH, see 6.2.3),
- how content from data dictionaries can be published and subscribed to by ITS-S application processes (CSH, see 6.2.5),
- how well-known ITS station facilities layer and management services can be applied to application process data units (FSH, see 6.2.4), relieving (ITS-S) application processes from having to implement these services on their own,
- how service access points (SAP) primitives specified in ISO 24102‑3 are used,
- service primitives for the exchange of information between ITS-S application processes and the ITS station facilities layer (FA-SAP), and
- a set of communication requirements and objectives (profiles) using the methods defined in ISO/TS 17423 to select the level of performance (best effort or real-time, etc.), confidence and security (authentication, encryption, etc.) for information exchange between ITS stations, such as data provision, event notification, roadside configuration, map update.

Intelligente Verkehrssysteme - Kooperative ITS - ITS-Stationseinrichtungen zum Informationsaustausch zwischen ITS-Stationen (ISO/TS 17429:2017)

Systèmes intelligents de transport - ITS coopératifs - Fonctionnalités des stations ITS pour le transfert d'information entre stations ITS (ISO/TS 17429:2017)

Inteligentni transportni sistemi - Kooperativni sistem (ITS) - Objekti postaj ITS za prenos podatkov med postajami ITS (ISO/TS 17429:2017)

Ta mednarodni standard je del skupine standardov o kooperativnem sistemu ITS, ki temelji na referenčni arhitekturi postaje ITS. Neobdelane in goste informacije, ki jih oddajajo postaje ITS (npr. oddajanje CAM in DENM vozil za namene varnosti v cestnem prometu) običajno zbirajo druge postaje ITS (domnevno cestna infrastruktura). Te informacije je treba obdelati in prenesti na standardiziran način med postajami ITS (načeloma med cestno infrastrukturo in prometnimi nadzornimi centri), tako da jih lahko upravljavci cest uporabljajo za namene upravljanja prometa. Obdelava teh informacij bi lahko privedla tudi do izboljšane varnosti v cestnem prometu, izboljšane učinkovitosti cest in zmanjšanja emisij toplogrednih plinov. Namen tega mednarodnega standarda je določiti profile za obdelavo zbranih informacij sprejemne postaje ITS in prenos obdelanih podatkov drugim postajam ITS za uporabe, povezane z upravljanjem, nadzorom in vodenjem prometne infrastrukture. Ta standard bo:
– določil storitve, funkcije in pričakovane rezultate,
– določil vloge in odgovornosti vseh vpletenih akterjev,
– določil povezane funkcije in vstopne točke storitve (SAP) referenčne arhitekture postaje ITS,
– opredelil, kako sprejemna postaja ITS predhodno obdeluje zbrane podatke,
– določil vsebino informacij, ki se izmenjujejo med različnimi akterji,
– opredelil raven zmogljivosti (prizadevanje za najboljšo zmogljivost ali prenos v realnem času itd.), zaupanja in varnosti (preverjanje pristnosti, šifriranje itd.) za prenos informacij,
– določil način, na katerega se obdelane informacije (varno) prenašajo med različne akterje.

General Information

Status
Published
Publication Date
25-Apr-2017
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Due Date
26-Apr-2017
Completion Date
26-Apr-2017

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SLOVENSKI STANDARD
SIST-TS CEN ISO/TS 17429:2017
01-oktober-2017

Inteligentni transportni sistemi - Kooperativni sistem (ITS) - Objekti postaj ITS za

prenos podatkov med postajami ITS (ISO/TS 17429:2017)

Intelligent transport systems - Cooperative ITS - ITS station facilities for the transfer of

information between ITS stations (ISO/TS 17429:2017)
Intelligente Transportsysteme - Kooperative Systeme - Profile zur
Informationsverarbeitung und -übertragung zwischen ITS-Stationen für Anwendungen
bezogen auf das Verkehrsinfrastruktur Management, zur Steuerung und Führung
(ISO/TS 17429:2017)

Systèmes intelligents de transport - SIT coopératifs - Installations de stations de SIT pour

le transfert d'informations entre stations SIT (ISODTS 17429:2017)
Ta slovenski standard je istoveten z: CEN ISO/TS 17429:2017
ICS:
03.220.01 Transport na splošno Transport in general
35.240.60 Uporabniške rešitve IT v IT applications in transport
prometu
SIST-TS CEN ISO/TS 17429:2017 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST-TS CEN ISO/TS 17429:2017
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SIST-TS CEN ISO/TS 17429:2017
CEN ISO/TS 17429
TECHNICAL SPECIFICATION
SPÉCIFICATION TECHNIQUE
April 2017
TECHNISCHE SPEZIFIKATION
ICS 03.220.01; 35.240.60
English Version
Intelligent transport systems - Cooperative ITS - ITS
station facilities for the transfer of information between
ITS stations (ISO/TS 17429:2017)

Systèmes intelligents de transport - ITS coopératifs - Intelligente Transportsysteme - Kooperative Systeme -

Fonctionnalités des stations ITS pour le transfert Profile zur Informationsverarbeitung und -

d'information entre stations ITS (ISO/TS 17429:2017) übertragung zwischen ITS-Stationen für Anwendungen

bezogen auf das Verkehrsinfrastruktur Management,
zur Steuerung und Führung (ISO/TS 17429:2017)

This Technical Specification (CEN/TS) was approved by CEN on 19 September 2016 for provisional application.

The period of validity of this CEN/TS is limited initially to three years. After two years the members of CEN will be requested to

submit their comments, particularly on the question whether the CEN/TS can be converted into a European Standard.

CEN members are required to announce the existence of this CEN/TS in the same way as for an EN and to make the CEN/TS

available promptly at national level in an appropriate form. It is permissible to keep conflicting national standards in force (in

parallel to the CEN/TS) until the final decision about the possible conversion of the CEN/TS into an EN is reached.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,

Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,

Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,

Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels

© 2017 CEN All rights of exploitation in any form and by any means reserved Ref. No. CEN ISO/TS 17429:2017 E

worldwide for CEN national Members.
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SIST-TS CEN ISO/TS 17429:2017
CEN ISO/TS 17429:2017 (E)
Contents Page

European foreword ....................................................................................................................................................... 3

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SIST-TS CEN ISO/TS 17429:2017
CEN ISO/TS 17429:2017 (E)
European foreword

This document (CEN ISO/TS 17429:2017) has been prepared by Technical Committee ISO/TC 204

“Intelligent transport systems” in collaboration with Technical Committee CEN/TC 278 “Intelligent

transport systems” the secretariat of which is held by NEN.

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent

rights.

This document has been prepared under a mandate given to CEN by the European Commission and the

European Free Trade Association.

According to the CEN-CENELEC Internal Regulations, the national standards organizations of the

following countries are bound to announce this Technical Specification: Austria, Belgium, Bulgaria,

Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia,

France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,

Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,

Turkey and the United Kingdom.
Endorsement notice

The text of ISO/TS 17429:2017 has been approved by CEN as CEN ISO/TS 17429:2017 without any

modification.
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SIST-TS CEN ISO/TS 17429:2017
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SIST-TS CEN ISO/TS 17429:2017
TECHNICAL ISO/TS
SPECIFICATION 17429
First edition
2017-03
Intelligent transport systems —
Cooperative ITS — ITS station facilities
for the transfer of information
between ITS stations
Systèmes intelligents de transport — ITS coopératifs —
Fonctionnalités des stations ITS pour le transfert d’information entre
stations ITS
Reference number
ISO/TS 17429:2017(E)
ISO 2017
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SIST-TS CEN ISO/TS 17429:2017
ISO/TS 17429:2017(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2017, Published in Switzerland

All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form

or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior

written permission. Permission can be requested from either ISO at the address below or ISO’s member body in the country of

the requester.
ISO copyright office
Ch. de Blandonnet 8 • CP 401
CH-1214 Vernier, Geneva, Switzerland
Tel. +41 22 749 01 11
Fax +41 22 749 09 47
copyright@iso.org
www.iso.org
ii © ISO 2017 – All rights reserved
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SIST-TS CEN ISO/TS 17429:2017
ISO/TS 17429:2017(E)
Contents Page

Foreword ..........................................................................................................................................................................................................................................v

Introduction ................................................................................................................................................................................................................................vi

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ...................................................................................................................................................................................... 1

3 Terms and definitions ..................................................................................................................................................................................... 2

4 Abbreviated terms .............................................................................................................................................................................................. 4

5 Conformance ............................................................................................................................................................................................................. 4

6 Overview ....................................................................................................................................................................................................................... 5

6.1 Motivations ................................................................................................................................................................................................. 5

6.1.1 Communication services ........................................................................................................................................... 5

6.1.2 General purpose ITS station facilities layer services ........................................................................ 6

6.1.3 Information sharing services ................................................................................................................................ 7

6.2 Technical specification overview ............................................................................................................................................ 8

6.2.1 Architecture elements ................................................................................................................................................. 8

6.2.2 ITS-S application processes .................................................................................................................................... 9

6.2.3 Communication Profile Handler (CPH) .....................................................................................................10

6.2.4 Facilities Services Handler (FSH) ...................................................................................................................11

6.2.5 Content Subscription Handler (CSH) ..........................................................................................................12

6.2.6 Service access points (SAP) .................................................................................................................................12

6.2.7 Application data unit and protocol data unit .......................................................................................12

7 General requirements ..................................................................................................................................................................................13

8 Requirements for the “ITS-S application Processes” ...................................................................................................13

8.1 ITS-S-AP: Requirements for data transmission .......................................................................................................13

8.2 ITS-S-AP: Requirements for publishing and subscribing to data objects ..........................................13

8.3 ITS-S-AP: Flow type registration ..........................................................................................................................................14

8.4 ITS-S-AP: Transmitting data .....................................................................................................................................................14

8.5 ITS-S-AP: Receiving data ..............................................................................................................................................................14

8.6 ITS-S-AP: Publishing data objects ........................................................................................................................................14

8.7 ITS-S-AP: Subscribing to the reception of data objects .....................................................................................15

8.8 ITS-S-AP: Stopping the reception of data objects ...................................................................................................15

8.9 ITS-S-AP: Receiving data objects ..........................................................................................................................................15

9 Requirements for the Communication Profile Handler ...........................................................................................15

9.1 CPH: Initialization .............................................................................................................................................................................15

9.2 CPH: Management of communication profiles .........................................................................................................16

9.2.1 CPH: Communication flow profile parameters ...................................................................................16

9.2.2 CPH: Updating communication flow profile parameters ...........................................................17

9.2.3 CPH: Reporting communication flow statistics ..................................................................................18

9.3 CPH: Processing data sent by ITS-S application processes ............................................................................18

9.3.1 CPH: Processing TransmitFlowData instructions ............................................................................18

9.3.2 CPH: Checking for a corresponding communication flow profile ......................................19

9.3.3 CPH: Checking for an available path ............................................................................................................19

9.3.4 CPH: Performing address resolution ...........................................................................................................19

9.3.5 CPH: Checking for ITS-S facilities services .............................................................................................20

9.3.6 CPH: Transmission to the NF-SAP ..................................................................................................................20

10 Requirements for the Facilities Services Handler ..........................................................................................................20

10.1 FSH: Initialization ..............................................................................................................................................................................20

10.2 FSH: ITS-S facilities layer protocol data unit format (ITS-FPDU) .............................................................21

10.3 FSH: Execution of facilities services ..................................................................................................................................21

10.4 FSH: Transmission to the NF-SAP ........................................................................................................................................22

10.5 FSH: Reception of messages .....................................................................................................................................................22

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11 Requirements for the Content Subscription Handler .................................................................................................22

11.1 CSH: Initialization ..............................................................................................................................................................................22

11.2 CSH: processing content publication from ITS-S-AP ...........................................................................................23

11.3 CSH: processing content subscription from ITS-S-AP ........................................................................................24

11.4 CSH: processing content subscription cancellation from ITS-S-AP ........................................................24

11.5 CSH: transmitting content to ITS-S-AP ............................................................................................................................24

11.6 ITS-S generic data container format ..................................................................................................................................24

12 FA-SAP service primitive functions .................................................................................................................................................25

12.1 Overview ...................................................................................................................................................................................................25

12.2 Error codes ..............................................................................................................................................................................................25

12.3 TransmitFlowData ............................................................................................................................................................................26

12.4 ReceiveFlowData ................................................................................................................................................................................26

12.5 PublishContent .....................................................................................................................................................................................27

12.6 SubscribeContent ...............................................................................................................................................................................28

12.7 CancelContent .......................................................................................................................................................................................28

12.8 ReceiveContent ....................................................................................................................................................................................29

13 NF-SAP service primitive functions ................................................................................................................................................29

13.1 ReceiveNTSDU ......................................................................................................................................................................................29

13.2 TransmitNTSDU ..................................................................................................................................................................................30

Annex A (normative) ASN.1 modules ................................................................................................................................................................31

Annex B (informative) Profiles ................................................................................................................................................................................37

Bibliography .............................................................................................................................................................................................................................42

iv © ISO 2017 – All rights reserved
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Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national standards

bodies (ISO member bodies). The work of preparing International Standards is normally carried out

through ISO technical committees. Each member body interested in a subject for which a technical

committee has been established has the right to be represented on that committee. International

organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.

ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of

electrotechnical standardization.

The procedures used to develop this document and those intended for its further maintenance are

described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the

different types of ISO documents should be noted. This document was drafted in accordance with the

editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of

any patent rights identified during the development of the document will be in the Introduction and/or

on the ISO list of patent declarations received (see www .iso .org/ patents).

Any trade name used in this document is information given for the convenience of users and does not

constitute an endorsement.

For an explanation on the meaning of ISO specific terms and expressions related to conformity assessment,

as well as information about ISO’s adherence to the World Trade Organization (WTO) principles in the

Technical Barriers to Trade (TBT) see the following URL: www . i so .org/ iso/ foreword .html.

The committee responsible for this document is ISO/TC 204, Intelligent transport systems.

© ISO 2017 – All rights reserved v
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ISO/TS 17429:2017(E)
Introduction

ITS station units compliant with the ITS station reference architecture specified in ISO 21217 may

engage in Cooperative ITS (C-ITS) activities involving data exchanges between ITS stations in a variety

of roles. Such data exchanges include, but are not limited to:

— data collected by the roadside infrastructure and transmitted to traffic control centers, possibly

after aggregation,

— roadside equipment configured from the control centers to process a given set of data or issue

messages to vehicles,
— roadside events reported to control centers, and

— broadcast transmission of vehicle status and event messages (e.g. CAM) to nearby ITS stations.

An example of an ITS station unit engaged in a C-ITS activity is a roadside ITS station unit collecting

traffic-related information generated by road sensors and/or by vehicle ITS station units. The collected

data can often serve other purposes than the originally intended one. For example, the cooperative

awareness message (CAM) from the ETSI C-ITS message set generated for traffic-safety applications

can be collected by roadside ITS station units for exploitation by traffic efficiency applications in traffic

control centers (e.g. central ITS stations). The same information is thus used to improve road safety, as

well as traffic efficiency and also to reduce greenhouse gas emissions.

The exploitation of such exchanges for purposes not initially intended is made possible once this

exchange of information is performed in a standardized way through an ITS station facilities layer

that is able to recognize messages from specific message sets (e.g. DATEX II, TPEG, C-ITS message sets)

with data according to data object specifications from data dictionaries (e.g. the common ETSI data

dictionary) and to forward them to applications which have an interest therein and have subscribed to

the delivery of such message(s) and data. A Communication Profile Handler (CPH), a Facilities Services

Handler (FSH) and a Content Subscription Handler (CSH) are defined in this Technical Specification to

serve this purpose.

Outside of this Technical Specification, the commonly used term “message set” is used to indicate a

collection of “messages” used in the exchange of information between peer ITS station units (see

ISO/TS 17419). These messages are composed of structures sometime referred to as “data frames”

and/or “data objects” which are in turn composed of objects called “data elements” (see SAE J2735).

Herein, a slightly different lexicon is adopted. The term “data dictionary” is used to indicate a

collection of “messages”, including “data object” from which the messages are composed. Thus, herein,

“data objects” are synonymous with “data frames” and “data elements”. However, in this Technical

Specification, the terms are used with the precise meaning to distinguish messages and data objects

from which messages are constructed.

The functionalities specified in this Technical Specification include a Communication Profile

Handler (CPH), a Facilities Services Handler (FSH), and a Content Subscription Handler (CSH). These

functionalities are intended to enable, and be invoked by, technology-agnostic ITS applications and to

facilitate the deployment of C-ITS applications that share information. In particular, these functionalities

allow an application to

— specify a set of facilities layer services to be applied to its data units (ADUs),

— allow ITS station management to select the optimum communication profile (as a function of time)

for any or all of its data flows, and

— publish information to and subscribe to information from a central repository (the CSH) in a

standardized way that enables sharing of information between applications (the definition of C-ITS).

These functionalities provide a toolkit facilitating the specification of standards and the development

of ITS applications [e.g. In-Vehicle Signage (ISO/TS 17425), Contextual Speed (ISO/TS 17426), Point of

vi © ISO 2017 – All rights reserved
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ISO/TS 17429:2017(E)

Interest, Probe Data, IVI, LDM synchronization, remote ITS station configuration, and ITS applications

for freight, logistics, public transportation, etc.] complying with the set of Cooperative ITS standards.

© ISO 2017 – All rights reserved vii
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SIST-TS CEN ISO/TS 17429:2017
TECHNICAL SPECIFICATION ISO/TS 17429:2017(E)
Intelligent transport systems — Cooperative ITS — ITS
station facilities for the transfer of information between
ITS stations
1 Scope

This Technical Specification specifies generic mechanisms enabling the exchange of information

between ITS stations for applications related to Intelligent Transport Systems. It complies with the

ITS station reference architecture (ISO 21217) and defines the following ITS station facilities layer

functionalities:
— Communication Profile Handler (CPH);
— Content Subscription Handler (CSH);
— Facilities Services Handler (FSH).

These functionalities are used by ITS-S application processes (ITS-S-AP) to communicate with other

ITS-S application processes and share information. These functionalities describe

— how lower-layer communication services assigned to a given data flow are applied to the service

data units at the various layers in the communication protocol stack (CPH, see 6.2.3),

— how content from data dictionaries can be published and subscribed to by ITS-S application

processes (CSH, see 6.2.5),

— how well-known ITS station facilities layer and management services can be applied to application

process data units (FSH, see 6.2.4), relieving (ITS-S) application processes from having to implement

these services on their own,
— how service access points (SAP) primitives specified in ISO 24102-3 are used,

— service primitives for the exchange of information between ITS-S application processes and the ITS

station facilities layer (FA-SAP), and

— a set of communication requirements and objectives (profiles) using the methods defined in

ISO/TS 17423 to select the level of performance (best effort or real-time, etc.), confidence and

security (authentication, encryption, etc.) for information exchange between ITS stations, such as

data provision, event notification, roadside configuration, map update.
2 Normative references

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements of this document. For dated references, only the edition cited applies. For

undated references, the latest edition of the referenced document (including any amendments) applies.

ISO/TS 17419, Intelligent transport systems — Cooperative systems — Classification and management of

ITS applications in a global context

ISO/TS 17423, Intelligent transport systems — Cooperative systems — ITS application requirements and

objectives for selection of communication profiles

ISO 21217, Intelligent transport systems — Communications access for land mobiles (CALM) — Architecture

ISO 24102-3, Intelligent transport systems — Communications access for land mobiles (CALM) — ITS

station management — Part 3: Service access points
© ISO 2017 – All rights reserved 1
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ISO/TS 17429:2017(E)

ISO 24102-6, Intelligent transport systems — Communications access for land mobiles (CALM) — ITS

station management Part 6: Path and flow management
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
ITS-S application
ITS-S application process residing in the ITS-S application entity
[SOURCE: ISO 21217:2014, 3.18]
3.2
ITS-S application process
ITS-S-AP

element in an ITS station that performs information processing for a particular application, and uses

ITS-S services to transmit and receive information

Note 1 to entry: Examples of ITS-S application processes are contextual speed (ISO/TS 17426) and In-Vehicle

Signage (ISO/TS 17425).
[SOURCE: ISO 21217:2014, 3.19]
3.3
ITS-S ca
...

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