Intelligent transport systems - Cooperative systems - Application requirements and objectives (ISO 17423:2018)

This document
— specifies communication service parameters presented by ITS station (ITS-S) application processes
to the ITS-S management in support of automatic selection of ITS-S communication profiles in an
ITS station unit (ITS-SU),
— specifies related procedures for the static and dynamic ITS-S communication profile selection
processes at a high functional level,
— provides an illustration of objectives used to estimate an optimum ITS-S communication profile.

Intelligente Transportsysteme - Kooperative Systeme - ITS Anwendungsanforderungen und Grundsätze (ISO 17423:2018)

Systèmes de transport intelligents - Systèmes coopératifs - Exigences d'application et objectifs (ISO 17423:2018)

Le présent document
—          spécifie les paramètres de service de communication présentés par les processus d'application de la station ITS (ITS-S) à la gestion ITS-S afin de faciliter la sélection automatique des profils de communication ITS-S au sein d'une unité de station ITS (ITS-SU),
—          spécifie les procédures liées aux processus de sélection des profils de communication ITS-S statiques et dynamiques à un niveau fonctionnel élevé,
—          fournit une illustration des objectifs permettant d'estimer un profil de communication ITS-S optimal.

Inteligentni transportni sistemi - Kooperativni sistemi - Zahteve in cilji (ISO 17423:2018)

Ta dokument:
– določa parametre komunikacijske storitve, ki jih aplikacijski postopki postaje ITS (ITS-S) predstavljajo
upravljanju ITS-S v podporo samodejni izbiri komunikacijskih profilov ITS-S na enoti postaje ITS (ITS-SU),
– določa povezane postopke za statične in dinamične postopke izbire komunikacijskih profilov ITS-S na visoki funkcionalni ravni,
– podaja pregled ciljev, uporabljenih za predvidevanje optimalnega komunikacijskega profila ITS-S.

General Information

Status
Published
Publication Date
16-Jul-2018
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
03-Jul-2018
Due Date
07-Sep-2018
Completion Date
17-Jul-2018

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SLOVENSKI STANDARD
SIST EN ISO 17423:2018
01-september-2018
1DGRPHãþD
SIST-TS CEN ISO/TS 17423:2014
Inteligentni transportni sistemi - Kooperativni sistemi - Zahteve in cilji (ISO
17423:2018)
Intelligent transport systems - Cooperative systems - Application requirements and
objectives (ISO 17423:2018)
Intelligente Transportsysteme - Kooperative Systeme - ITS Anwendungsanforderungen
und Grundsätze (ISO 17423:2018)
Systèmes de transport intelligents - Systèmes coopératifs - Exigences d'application et
objectifs (ISO 17423:2018)
Ta slovenski standard je istoveten z: EN ISO 17423:2018
ICS:
03.220.01 Transport na splošno Transport in general
35.240.60 Uporabniške rešitve IT v IT applications in transport
prometu
SIST EN ISO 17423:2018 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN ISO 17423:2018

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SIST EN ISO 17423:2018


EN ISO 17423
EUROPEAN STANDARD

NORME EUROPÉENNE

June 2018
EUROPÄISCHE NORM
ICS 03.220.20; 35.240.60 Supersedes CEN ISO/TS 17423:2014
English Version

Intelligent transport systems - Cooperative systems -
Application requirements and objectives (ISO
17423:2018)
Systèmes de transport intelligents - Systèmes Intelligente Transportsysteme - Kooperative Systeme -
coopératifs - Exigences d'application et objectifs (ISO ITS Anwendungsanforderungen und Grundsätze (ISO
17423:2018) 17423:2018)
This European Standard was approved by CEN on 9 May 2018.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.

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: Rue de la Science 23, B-1040 Brussels
© 2018 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 17423:2018 E
worldwide for CEN national Members.

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SIST EN ISO 17423:2018
EN ISO 17423:2018 (E)
Contents Page
European foreword . 3

2

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SIST EN ISO 17423:2018
EN ISO 17423:2018 (E)
European foreword
This document (EN ISO 17423:2018) 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.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by December 2018, and conflicting national standards
shall be withdrawn at the latest by December 2018.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes CEN ISO/TS 17423:2014.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: 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 17423:2018 has been approved by CEN as EN ISO 17423:2018 without any modification.

3

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SIST EN ISO 17423:2018

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SIST EN ISO 17423:2018
INTERNATIONAL ISO
STANDARD 17423
First edition
2018-05
Intelligent transport systems —
Cooperative systems — Application
requirements and objectives
Systèmes de transport intelligents — Systèmes coopératifs —
Exigences d'application et objectifs
Reference number
ISO 17423:2018(E)
©
ISO 2018

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SIST EN ISO 17423:2018
ISO 17423:2018(E)

COPYRIGHT PROTECTED DOCUMENT
© ISO 2018
All rights reserved. Unless otherwise specified, or required in the context of its implementation, 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
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2018 – All rights reserved

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SIST EN ISO 17423:2018
ISO 17423:2018(E)

Contents Page
Foreword .v
Introduction .vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Symbols and abbreviated terms . 3
5 Communication service parameters . 4
5.1 Abstraction of application processes from communications . . 4
5.2 Communication service parameter classes . 7
5.3 Operational CSPs . 8
5.3.1 List of CSPs . 8
5.3.2 Logical channel . 8
5.3.3 Session continuity . 8
5.3.4 Average ADU generation rate . 9
5.3.5 Flow type . 9
5.3.6 Maximum priority . 9
5.3.7 Port number . 9
5.3.8 Expected flow lifetime . . 9
5.4 Destination CSPs . 9
5.4.1 List of CSPs . 9
5.4.2 Destination type .10
5.4.3 Destination domain .10
5.4.4 Communication distance .10
5.4.5 Directivity .10
5.5 Performance CSPs .11
5.5.1 List of CSPs .11
5.5.2 Resilience .11
5.5.3 Minimum required throughput .11
5.5.4 Maximum allowed latency .11
5.5.5 Maximum ADU size .12
5.6 Security CSPs .12
5.6.1 List of CSPs .12
5.6.2 Need for data confidentiality .12
5.6.3 Need for data integrity . .12
5.6.4 Need for non-repudiation .12
5.6.5 Need for source ITS-S application process authentication.12
5.7 Protocol CSP .13
5.7.1 List of CSPs .13
5.7.2 Communication protocol stack.13
5.7.3 Specific communications protocols .13
5.8 CSPs for sinks .13
5.9 CSPs overview .14
6 Policies and regulations .15
6.1 Cost policy .15
6.1.1 List of rules .15
6.1.2 Flat rate .15
6.1.3 Maximum rate per data unit .16
6.1.4 Maximum rate per connection time .16
6.1.5 Maximum rate per connection .16
6.2 Need for station anonymity .17
6.3 Need for station location privacy .17
6.4 Support of station authentication.17
© ISO 2018 – All rights reserved iii

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SIST EN ISO 17423:2018
ISO 17423:2018(E)

7 ITS-S procedures for ITS-S communication profile selection .17
7.1 Overview .17
7.2 Presentation of CSPs .18
7.3 Monitoring of capabilities of communications .18
7.4 Monitoring of regulations and policies .19
7.5 Selection of ITS-S communication profiles .19
7.6 Interaction with user of ITS-SU .19
7.7 Support of other application processes .20
Annex A (normative) ASN.1 modules .21
Annex B (informative) Example of presentation of CSPs .28
Annex C (informative) On communication requirements and objectives .31
Bibliography .34
iv © ISO 2018 – All rights reserved

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SIST EN ISO 17423:2018
ISO 17423:2018(E)

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 voluntary nature of standards, 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 .iso .org/iso/foreword .html.
This document was prepared by ISO/TC 204, Intelligent transport systems.
This first edition cancels and replaces ISO/TS 17423:2014, which has been technically revised.
© ISO 2018 – All rights reserved v

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SIST EN ISO 17423:2018
ISO 17423:2018(E)

Introduction
Abstracting applications from communications is a useful basic architectural principle of Intelligent
1)
Transport Systems (ITS) embodied in the ITS station and communication architecture presented in
ISO 21217:2014.
Applications and communications are linked together using the concepts of flows and paths and
communication profiles described in ISO 21217:2014 with related flow and path management
2)
[11]
procedures specified in ISO 24102-6 . The ITS station management uses communication
requirements and objectives of applications together with the capabilities of the ITS station (status of
available communication protocol stacks) and sets of decision rules (regulations and policies) to select
suitable parameterized ITS-S communication protocol stacks, also referred to as "ITS-S Communication
Profiles" (ITS-SCP), for each source of a potential flow as illustrated in Figure 1. A set of communication
[11]
requirements is referred to as a Flow Type in ISO 24102-6 . There may be well-known registered
Flow Types as specified in ISO 17419.
Figure 1 — ITS-S communication profile selection process
An ITS-S communication profile is independent of any destination address. However an instantiation
of a communication profile includes the address of the next hop recipient, and a path includes address
[11]
information of the next hop recipient, the anchor and the destination as specified in ISO 24102-6 .
A user of an ITS station unit may be able to influence the selection of ITS-S communication profiles by
providing his own policies.
Information from a Local Dynamic Map (LDM) on neighbouring stations offering certain communication
capabilities may also be useful for the ITS-S communication profile selection process, although not
indispensable.
1) The term “Cooperative ITS” (C-ITS) indicates specific features of ITS [4]. For the purpose of this document, no
distinction between ITS and C-ITS is needed.
2) To be published.
vi © ISO 2018 – All rights reserved

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SIST EN ISO 17423:2018
INTERNATIONAL STANDARD ISO 17423:2018(E)
Intelligent transport systems — Cooperative systems —
Application requirements and objectives
1 Scope
This document
— specifies communication service parameters presented by ITS station (ITS-S) application processes
to the ITS-S management in support of automatic selection of ITS-S communication profiles in an
ITS station unit (ITS-SU),
— specifies related procedures for the static and dynamic ITS-S communication profile selection
processes at a high functional level,
— provides an illustration of objectives used to estimate an optimum ITS-S communication profile.
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 4217:2015, Codes for the representation of currencies
ISO/IEC 8824-1:2015, Information technology — Abstract Syntax Notation One (ASN.1): Specification of
basic notation
ISO 17419, Intelligent transport systems — Identifiers — Globally unique identification
ISO 21217:2014, Intelligent transport systems — Communications access for land mobiles (CALM) —
Architecture
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— IEC Electropedia: available at https: //www .electropedia .org/
— ISO Online browsing platform: available at https: //www .iso .org/obp
3.1
authorization
prescription that a particular behaviour shall not be prevented
Note 1 to entry: Unlike a permission (3.10), an authorization is an empowerment.
[14]
Note 2 to entry: From ITU-T X.911 .
© ISO 2018 – All rights reserved 1

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SIST EN ISO 17423:2018
ISO 17423:2018(E)

3.2
ITS-S application process
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 ITS-S applications, ITS-S facility applications (e.g. for
[10]
CAM), and ITS-S management applications (e.g. FSAP specified in ISO 22418 ).
[SOURCE: ISO 21217:2014, 3.19, modified — Note 1 to entry has been added.]
3.3
ITS application
instantiation of an ITS service that involves an association of two or more complementary ITS-S
application processes
[SOURCE: ISO 21217:2014, 3.9 — modified: Note 1 to entry was deleted.]
3.4
ITS service
functionality provided to users of intelligent transport systems designed e.g. to increase safety,
sustainability, efficiency, or comfort
[SOURCE: ISO 21217:2014, 3.11]
3.5
ITS-S application
ITS-S application process residing in the ITS-S application entity
[SOURCE: ISO 21217:2014, 3.18]
3.6
ITS-S application process provisioner
functionality in an ITS-SU offering ITS-S application processes for download to other ITS-SUs
[SOURCE: ISO 17419:2018, 3.14]
3.7
ITS-S communication profile
parameterized ITS-S communication protocol stack
3.8
ITS-S communication protocol stack
consistent set of ITS-S communication protocols enabling communications between an ITS-SCU and
other nodes which may be identified by a registered globally unique reference number
3.9
ITS-S application process RX/TX interface
sink or source of an ITS-S application process
3.10
permission
rule that a particular behaviour is allowed to occur
[14]
Note 1 to entry: From ITU-T X.911 .
2 © ISO 2018 – All rights reserved

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SIST EN ISO 17423:2018
ISO 17423:2018(E)

4 Symbols and abbreviated terms
BSME Bounded Secured Managed Entity, see ISO 21217
CPSP Communication Profile Selection Process
CRO Communication Requirements and Objectives
CSP Communication Service Parameter
CSP_AvgADUrate Communication service parameter “Average ADU generation rate”
CSP_CommDistance Communication service parameter “Communication distance”
CSP_DataConfidentiality Communication service parameter “Need for data confidentiality”
CSP_DataIntegrity Communication service parameter “Need for data integrity”
CSP_DestinationDomain Communication service parameter “Destination domain”
CSP_DestinationType Communication service parameter “Destination type”
CSP_Directivity Communication service parameter “Directivity”
CSP_ExpFlowLifetime Communication service parameter “Expected flow lifetime”
CSP_FlowType Communication service parameter “Flow type”
CSP_LogicalChannelType Communication service parameter “Logical channel”
CSP_MaxADU Communication service parameter “Maximum ADU size”
CSP_MaxLat Communication service parameter “Maximum allowed latency”
CSP_MaxPrio Communication service parameter “Maximum priority”
CSP_MinThP Communication service parameter “Minimum throughput”
CSP_NonRepudiation Communication service parameter “Need for non-repudiation”
CSP_PortNo Communication service parameter “Port Number”
CSP_Protocol Communication service parameter “Protocol requirements”
CSP_Resilience Communication service parameter “Resilience”
CSP_SessionCont Communication service parameter “Session continuity”
CSP_SourceAuthentication Communication service parameter “Source authentication”
CSP_SpecificCommsProts Communication service parameter “Specific communications protocols”
[11]
ITS-S-FlowID Flow Identifier, see ISO 24102-6
IICP ITS station-internal management communications protocol, see
[9]
ISO 24102-4
ITS-S ITS station, see ISO 21217:2014
ITS-SCP ITS station communication profile
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SIST EN ISO 17423:2018
ISO 17423:2018(E)

ITS-SCPS ITS station communication protocol stack
ITS-SCU ITS station communication unit, see ISO 21217:2014
ITS-SU ITS station unit, see ISO 21217:2014
R_ConnectRate “Maximum rate per connection” rule
R_ConnectTimeRate “Maximum rate per connection time” rule
R_DataUnitRate “Maximum rate per data unit” rule
R_FlatRate “Flat Rate” rule
R_StationAnonymity “Need for station anonymity” rule
R_StationAuthentication “Support of station authentication” rule
R_StationLocationPrivacy “Need for station location privacy” rule
ITS-S-FlowTypeID ITS-S flow type identifier (from ISO 24102-6)
5 Communication service parameters
5.1 Abstraction of application processes from communications
The ITS station (ITS-S) reference architecture presented in Figure 2 and specified in ISO 21217:2014
distinguishes two main blocks, i.e. "Applications" and "Communications". ITS-S application processes in
"Applications" access communication services in "Communications" through an API. Portability of ITS-S
application processes, which leads to the creation of ITS application process repositories as described
in ISO 17419, is enabled by
— abstraction of ITS-S application processes (e.g. in "Applications") from communication protocols
(in "Facilities", "Networking & Transport", "Access") and supporting management and security
functionality (in "Management", "Security") introduced as an essential basics of an ITS station in
ISO 21217:2014,
— procedures by which instances of ITS-S application processes running in an ITS station unit (ITS-SU)
specified in ISO 21217:2014 can present
...

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