Cooperative intelligent transport systems - Communication profiles

This document specifies a methodology to define ITS-S communication profiles (ITS-SCPs) based on standardized communication protocols to interconnect trusted devices. These profiles enable secure information exchange between such trusted devices, including secure low-latency information exchange, in different configurations. The present document, in order to exemplify the methodology, also normatively specifies some ITS-SCPs based on the methodology, yet without the intent of covering all possible cases. Further ITS-SCPs can be specified at a later stage.
Configurations of trusted devices for which this document defines ITS-SCP’s include:
a)   ITS station communication units (ITS-SCU) of the same ITS station unit (ITS-SU), i.e. station-internal communications;
b)   an ITS-SU and an external entity such as a sensor and control network (SCN), or a service in the Internet;
c)   ITS-SUs.
The specifications given in this document can be equally applied to secured and unsecured communications, being groupcast and unicast communications, being localized or networked communications.

Kooperative intelligente Verkehrssysteme - Kommunikationsprofile

Systèmes intelligents de transport - Profils de communication

Kooperativni inteligentni transportni sistemi - Komunikacijski profili

General Information

Status
Published
Publication Date
16-Feb-2021
Current Stage
9060 - Closure of 2 Year Review Enquiry - Review Enquiry
Start Date
02-Sep-2024
Completion Date
02-Sep-2024

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SLOVENSKI STANDARD
01-maj-2021
Kooperativni inteligentni transportni sistemi - Komunikacijski profili
Cooperative intelligent transport systems - Communication profiles
Intelligente Verkehrssysteme - Kommunikationsprofile für eine sichere Verbindung
zwischen zuverlässigen Geräten
Systèmes intelligents de transport - Interface véhicule sécurisée - Profils de
communication pour connexion sécurisée entre une station ITS et un véhicule
Ta slovenski standard je istoveten z: CEN/TS 17496:2021
ICS:
35.240.60 Uporabniške rešitve IT v IT applications in transport
prometu
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

CEN/TS 17496
TECHNICAL SPECIFICATION
SPÉCIFICATION TECHNIQUE
February 2021
TECHNISCHE SPEZIFIKATION
ICS 35.240.60
English Version
Cooperative intelligent transport systems -
Communication profiles
Systèmes intelligents de transport - Profils de Kooperative intelligent Verkehrssysteme -
communication Kommunikationsprofile
This Technical Specification (CEN/TS) was approved by CEN on 30 November 2020 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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, 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
© 2021 CEN All rights of exploitation in any form and by any means reserved Ref. No. CEN/TS 17496:2021 E
worldwide for CEN national Members.

Contents Page
European foreword . 4
Introduction . 5
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 7
4 Symbols and abbreviations . 7
5 Object identifiers . 8
6 Architecture . 8
7 Communication profiles and protocol stacks - overview . 9
7.1 Definitions and methodology . 9
7.2 Contexts . 10
7.2.1 ITS-SCPs related to communications between ITS-SCUs . 10
7.2.2 ITS-SCPs related communications between ITS-SUs . 10
7.2.3 ITS-SCPs related to SCNs . 10
8 ITS communication protocols . 11
8.1 ITS-CP identifiers . 11
8.2 Initially identified ITS-SCPs . 11
8.2.1 ITS-S access layer . 11
8.2.2 ITS-S networking and transport layer . 13
8.2.3 ITS-S facilities layer . 14
8.2.4 ITS-S security entity . 16
8.2.5 ITS-S management entity . 16
8.2.6 Combinations of ITS-S layers and entities . 16
9 ITS-S communication protocol stacks . 17
9.1 ITS-SCPS identifiers . 17
9.2 Initially identified ITS-SCPSs. 17
9.2.1 ITS-SCPS for “ITS station-internal management communications” . 17
9.2.2 ITS_SCPS for “SCN-access”. 17
9.2.3 ITS-SCPS for “M5 service announcement” . 19
9.2.4 ITS-SCPS for “Secure sessions involving Internet “ . 20
9.2.5 ITS-SCPS for “Secure broadcast of messages with the ETSI ITS-G5 Release 1 stack” . 21
9.2.6 ITS-SCPS for ” IPv6 localized communications” . 22
10 ITS-S communication profiles . 22
10.1 ITS-SCP identifiers . 22
10.2 Initially identified ITS-SCPs . 23
10.2.1 ITS station-internal management communications . 23
10.2.2 Access to an SCN for diagnostics purposes . 24
10.2.3 Service announcement . 25
10.2.4 General secure sessions involving Internet . 26
10.2.5 Secure broadcast of ETSI road safety messages with the ITS-G5 Release 1 stack . 27
Annex A (normative) ASN.1 module . 28
A.1 Overview . 28
A.2 Module SISNprofiles . 28
Bibliography . 34

European foreword
This document (CEN/TS 17496:2021) has been prepared by 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 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 organisations of the
following countries are bound to announce this Technical Specification: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United
Kingdom.
Introduction
ITS Station Communication Profiles, see EN ISO 17423 and EN ISO 17419, used for communications
between (trusted) devices simplify achieving
— interoperability between ITS station units,
— and portability of ITS applications (that provide the ITS services).
Examples of trusted devices, i.e. ITS-secured communication nodes, are ITS-station units specified in
[32]
ISO 21217, which fully covers ETSI EN 302 665 . Four implementation contexts of communication
nodes in ITS communications networks are identified in ISO 21217, each comprised of ITS-station units
taking on a particular role; personal, vehicular, roadside, or central. Such ITS station units participate in
a wide variety of ITS services related to e.g. sustainability, road safety and transportation efficiency.
An ITS station unit can be composed of ITS station communication units from different vendors where
each ITS station communication unit is linked to a different configuration and management centre
[21]
specified in ISO 24102-2 and EN ISO 17419. Station-internal management communications between
[22]
ITS station communication units of the same ITS station unit is specified in ISO 24102-4 .
The identification of ITS station communication profiles specified in this document is generically
applicable to all kind of communications including broadcast information dissemination and sessions,
e.g. sessions between ITS station units, sessions between ITS station communication units of the same
ITS station unit, sessions between roadside ITS station units and a cloud platform, and between vehicle
ITS station units and a cloud platform, including communications sessions compatible with extended
[12]
vehicles standards developed by ISO TC 22 (ISO 20077 series ).
1 Scope
This document specifies a methodology to define ITS-S communication profiles (ITS-SCPs) based on
standardized communication protocols to interconnect trusted devices. These profiles enable secure
information exchange between such trusted devices, including secure low-latency information exchange,
in different configurations. The present document, in order to exemplify the methodology, also
normatively specifies some ITS-SCPs based on the methodology, yet without the intent of covering all
possible cases. Further ITS-SCPs can be specified at a later stage.
Configurations of trusted devices for which this document defines ITS-SCP’s include:
a) ITS station communication units (ITS-SCU) of the same ITS station unit (ITS-SU), i.e. station-internal
communications;
b) an ITS-SU and an external entity such as a sensor and control network (SCN), or a service in the
Internet;
c) ITS-SUs.
The specifications given in this document can be equally applied to secured and unsecured
communications, being groupcast and unicast communications, being localized or networked
communications.
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.
EN ISO 17419, Intelligent transport systems — Cooperative systems — Globally unique identification
(ISO 17419)
EN ISO 17423, Intelligent transport systems — Cooperative systems — Application requirements and
objectives (ISO 17423)
ISO 21217, Intelligent transport systems — Station and communication architecture
ISO/IEC 8825-1, Information technology — ASN.1 encoding rules: Specification of Basic Encoding Rules
(BER), Canonical Encoding Rules (CER) and Distinguished Encoding Rules (DER) — Part 1:
3 Terms and definitions
For the purposes of this document, the terms and definitions given in EN ISO 17419, EN ISO 17423,
ISO 21217, and the following, ap
...

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