CEN/TS 13149-7:2015

SLOVENSKI STANDARD
01-marec-2016
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Public transport - Road vehicle scheduling and control systems - Part 7: System and
Network Architecture
Öffentlicher Verkehr - Planungs- und Steuerungssysteme für Straßenfahrzeuge - Teil 7:
IP-basierende Vernetzung in einem Fahrzeug, Netzwerk- und Systemarchitektur
Transport public - Systèmes de planification et de contrôle des véhicules routiers - Partie
7 : Architecture Système et Réseau
Ta slovenski standard je istoveten z: CEN/TS 13149-7:2015
ICS:
03.220.20 Cestni transport Road transport
35.240.60 Uporabniške rešitve IT v IT applications in transport
transportu in trgovini and trade
43.040.15 $YWRPRELOVNDLQIRUPDWLND Car informatics. On board
9JUDMHQLUDþXQDOQLãNLVLVWHPL computer systems
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

CEN/TS 13149-7
TECHNICAL SPECIFICATION
SPÉCIFICATION TECHNIQUE
November 2015
TECHNISCHE SPEZIFIKATION
ICS 35.240.60; 43.040.15
English Version
Public transport - Road vehicle scheduling and control
systems - Part 7: System and Network Architecture
Transport public - Systèmes de planification et de Öffentlicher Verkehr - Planungs- und
contrôle des véhicules routiers - Partie 7 : Architecture Steuerungssysteme für Straßenfahrzeuge - Teil 7:
Système et Réseau System- und Netzwerkarchitektur
This Technical Specification (CEN/TS) was approved by CEN on 19 October 2015 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, 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
© 2015 CEN All rights of exploitation in any form and by any means reserved Ref. No. CEN/TS 13149-7:2015 E
worldwide for CEN national Members.

Contents Page
European foreword . 3
Introduction . 4
1 Scope . 6
2 Terms and definitions . 6
3 Symbols and abbreviations . 8
4 Design principles . 8
4.1 Introduction . 8
4.2 Design goals. 9
5 Network architecture . 10
5.1 Introduction . 10
5.2 Network overview . 10
5.3 Gateways to other networks . 10
5.4 IP addressing . 11
5.5 Name registration and resolution of modules . 13
5.6 Communication Protocols . 15
5.7 Communication methods . 16
5.8 Network security . 17
5.9 Considerations on coupled vehicles . 18
6 Service architecture . 18
6.1 Service oriented architecture (SOA) . 18
6.2 Service Information . 18
6.3 Communication Types . 20
6.4 Data Structure . 21
Annex A (informative) Example usages . 22
A.1 Typical vehicle network architecture . 22
A.2 Function and service groups . 23
A.3 Example of a service record . 23
Bibliography . 24

European foreword
This document (CEN/TS 13149-7:2015) 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 [and/or CENELEC] shall not be held responsible for identifying any or all such patent
rights.
This Technical Specification is Part 7 of a series of European Standards and Technical Specifications that
includes:
— EN 13149-1:2004, Public transport - Road vehicle scheduling and control systems - Part 1: WORLDFIP
definition and application rules for onboard data transmission
— EN 13149-2:2004, Public transport - Road vehicle scheduling and control systems - Part 2: WORLDFIP
cabling specifications
— CEN/TS 13149-3:2007, Public transport - Road vehicle scheduling and control systems - Part 3:
WorldFIP message content
— EN 13149-4:2004, Public transport - Road vehicle scheduling and control systems - Part 4: General
application rules for CANopen transmission buses
— EN 13149-5:2004, Public transport - Road vehicle scheduling and control systems - Part 5: CANopen
cabling specifications
— CEN/TS 13149-6:2005, Public transport - Road vehicle scheduling and control systems - Part 6: CAN
message content
— CEN/TS 13149-7:2015, Public transport - Road vehicle scheduling and control systems - Part 7:
System and Network Architecture
— CEN/TS 13149-8:2013, Public transport - Road vehicle scheduling and control systems - Part 8:
Physical layer for IP communication
— prCEN/TS 13149-9, Public Transport - Road Vehicle Scheduling and Control Systems - Part 9: IP-
based Networking Inside A Vehicle, Information Services
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, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.
Introduction
This Technical Specification is Part 7 of a series of European Standards and Technical Specifications.
The scope of this series is on-board data communication systems on public transport vehicles.
Public Transport (PT) vehicles have an increasing array of information and communications systems,
including ticket machines, Automated Vehicle Location (AVL) systems, destination displays, passenger
announcement systems, vehicle monitoring systems, etc. Other systems are beginning to be included
such as advertising screens, tourist guides, WiFi “hotspots” and infotainment.
In addition, equipped PT vehicles will usually have a communications facility to enable voice and data to
be exchanged with the control centre, other PT vehicles, PT infrastructure and roadside devices for
instance in requesting priority at traffic signals. Many types of communication channel are used
including public and private wireless communication networks.
These systems may be provided by a number of different suppliers and may need to be integrated. For
instance:
— a ticket machine may need location information to update fare stages;
— next-stop and destination information may be drawn from schedule information held in the ticket
machine;
— vehicle location systems may be used to drive signal priority requests.
As data exchange between functional units becomes more widespread, a networked approach begins to
become efficient. With standardized underlying technology, the PT vehicle begins to look like a local
area network: making use of IEEE 802 communications and the Internet Protocol (IP) suite.
Without a clear technology framework, integrating these systems would require complex technical
discussions every time a device is procured. The existing EN 13149 standards recognized this long ago
in respect of the core vehicle systems, but these have not been adapted to IP networking.
Existing Parts 1 to 6 of EN 13149 specify two independent frameworks, generally referred to as
“WorldFIP” (Parts 1 to 3) and “CANbus” (Parts 4 to 6). These have not been developed with IP as a
networking protocol and there has been strong interest in the community to migrate towards this
approach. Parts 7 to 9 are therefore intended to provide an IP-based approach, with updated content
(i.e. independent of Parts 1 to 6).
— CEN/TS 13149-7:2015 specifies the Network and System Architecture for on board equipment. It
describes basic principles of communications including a general description of the network
topology, addresses schematics, basic network services, a system overview and basic module
architecture.
— CEN/TS 13149-8 specifies the Physical Layer for IP-communication networks on board PT vehicles.
This part specifies the cables, connectors and other equipment including pin assignment and
environmental requirements.
— prCEN/TS 13149-9 specifies in detail the profiles of basic and generic Services as well as profiles
of specific services.
It is expected that EN 13149 Parts 1 to 6 will no longer be adopted once Parts 7 to 9 are complete. With
these Technical Specifications, it will be easier to achieve:

1) In development and registered as CEN/WI 00278382.
— more efficient development of PT components;
— lower cost, lower risks and a smoother on board integration of PT equipment;
— more efficient operation and maintenance of on board PT equipment;
— high quality intermodal passenger services based on intermodal PT information;
— integration of new PT services.
As an IP based solution, this Technical Specification draws on a range of IETF Requests for Comment
(RFCs), not all of which may be formal standards. A list of those cited is presented in the Bibliography.
1 Scope
This Technical Specification specifies the general rules for an on-board data communication system
between the different systems that may be used within public transport vehicles. This includes
operational support systems, passenger information systems, fare collection systems, etc.
This Technical Specification describes:
— the requirements for an on board IP network;
— the overview architecture and components for an IP based on-board network;
— the modular structure of the network architecture;
— the Service Oriented Architecture (SOA) approach, and approach to defining services.
Systems directly related to the safe operation of the vehicl
...