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    ISO 15784-1-2008 Intelligent transport systems (ITS) - Data exchange involving roadside modules communication - Part 1 General principles and documentation fram.pdf

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    ISO 15784-1-2008 Intelligent transport systems (ITS) - Data exchange involving roadside modules communication - Part 1 General principles and documentation fram.pdf

    1、 Reference number ISO 15784-1:2008(E) ISO 2008INTERNATIONAL STANDARD ISO 15784-1 First edition 2008-10-15 Intelligent transport systems (ITS) Data exchange involving roadside modules communication Part 1: General principles and documentation framework of application profiles Systmes intelligents de

    2、transport (SIT) change de donnes impliquant la communication de modules en bordure de route Partie 1: Principes gnraux et cadre documentaire des profils dapplication ISO 15784-1:2008(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file

    3、 may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobes licensing policy. The ISO Central Secretariat a

    4、ccepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that

    5、 the file is suitable for use by ISO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. COPYRIGHT PROTECTED DOCUMENT ISO 2008 All rights reserved. Unless otherwise specified, no part of this publication may b

    6、e reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISOs member body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. +

    7、41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO 2008 All rights reservedISO 15784-1:2008(E) ISO 2008 All rights reserved iii Contents Page Foreword iv Introduction v 1 Scope . 1 2 Normative references . 1 3 Terms and definitions. 1 4 Abbr

    8、eviated terms 3 5 Principle and framework of profiles 4 5.1 Concept of profile . 4 5.1.1 General. 4 5.1.2 Relationship to base standards 4 5.1.3 Principles of profile content 4 5.1.4 Meaning of conformance to a profile 5 5.1.5 Conformance requirements of profiles 5 5.2 Principles defining format and

    9、 content 6 5.3 ISO/IEC profile standards 6 6 Requirements 6 6.1 Standardized profiles for centre to roadside communication . 6 6.2 Application profiles 6 Annex A (normative) Rules for drafting and presentation of standardized profiles. 7 Bibliography . 9 ISO 15784-1:2008(E) iv ISO 2008 All rights re

    10、servedForeword 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 whi

    11、ch 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 m

    12、atters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are cir

    13、culated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. 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 respon

    14、sible for identifying any or all such patent rights. ISO 15784-1 was prepared by Technical Committee ISO/TC 204, Intelligent transport systems. ISO 15784 consists of the following parts, under the general title Intelligent transport systems (ITS) Data exchange involving roadside modules communicatio

    15、n: Part 1: General principles and documentation framework of application profiles Part 3: Application profile-data exchange (AP-DATEX) ISO 15784-1:2008(E) ISO 2008 All rights reserved v Introduction The functional requirements for communication between a traffic management centre and roadside module

    16、s used for traffic management are varied because internationally there are many kinds of roadside modules for traffic management, such as signal controllers, dynamic message signs and vehicle detectors. In the development of standards for data exchanges between a traffic management centre and roadsi

    17、de modules used for traffic management, ISO/TC 204/WG9 agreed that the concept of a single standard for all countries and devices might not be appropriate, but a set of standards for different types of roadside module might be more appropriate. As a result, ISO/TC 204/WG9 adopted the philosophy of p

    18、roducing profile documents to specify how data should be exchanged. In the development of this part of ISO 15784, reference was made to the existing standards about profiles, specifically NTCIP 8003 which is the US standard for a profile framework, and ISO/IEC TR 10000, which is a series of Technica

    19、l Reports under the general title Information technology Framework and taxonomy of International Standardized Profiles. The purpose of a profile is to specify the use of one or more base standards to provide a requested function. Because there are multiple functional requirements to data exchange be

    20、tween a centre and the roadside modules, ISO 15784 defines multi-part profiles. This part of ISO 15784 defines only the application profile. End application data is defined in the data-registry. Each country should define lower layer profiles based on the internationally standardized protocols becau

    21、se each country has its own circumstance on communication infrastructure. This part of ISO 15784 has been prepared in order to explain the principles of profile and documentation rules of application profile and to classify multiple application profiles as options to use for data exchange between tr

    22、affic management centres and roadside modules for traffic management. INTERNATIONAL STANDARD ISO 15784-1:2008(E) ISO 2008 All rights reserved 1 Intelligent transport systems (ITS) Data exchange involving roadside modules communication Part 1: General principles and documentation framework of applica

    23、tion profiles 1 Scope The purpose of this part of ISO 15784 is to provide principles and documentation rules of application profiles used to exchange data and messages between a traffic management centre and roadside modules used for traffic management. The application profiles specified in this par

    24、t of ISO 15784 are used to exchange data and messages in the following cases. a) Between a traffic management centre and roadside modules for traffic management. b) Between roadside modules used for traffic management. The scope of this part of ISO 15784 does not include the communication between ro

    25、adside modules and on- board units, in-vehicle communication, in-cabinet communication and motion video transmission from a camera or recorded media. 2 Normative references The following referenced documents are indispensable for the application of this part of ISO 15784. For dated references, only

    26、the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO/IEC TR 10000-1:1998, Information technology Framework and taxonomy of International Standardized Profiles Part 1: General principles and documentation framework IS

    27、O/IEC TR 10000-2:1998 Information technology Framework and taxonomy of International Standardized Profiles Part 2: Principles and Taxonomy for OSI Profiles 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 application layer layer containing all

    28、 functions needed for the distributed applications not already provided by the presentation service NOTE The application layer constitutes layer 7 of the OSI model. ISO 15784-1:2008(E) 2 ISO 2008 All rights reserved3.2 base standard approved international standard or a related authoritative standard

    29、 3.3 centre computer or network that is required to meet a standardized communications interface over a fixed-point communications network, regardless of whether it is the only system within the building or just one of many, or even if it is located in the field 3.4 client computer or application wh

    30、ich requests and accepts data from a server computer or application using some kind of protocol 3.5 compatibility capability of two or more items or components of equipment or material to exist and/or function in the same system or environment without modification, adaptation or mutual interference

    31、3.6 data information before it is interpreted 3.7 data packet entity of data that can be sent between end-application systems in order to exchange information NOTE A data packet relates to the application layer of the OSI stack and may be broken into several pieces by lower layer protocols. 3.8 enco

    32、ding rules rules which specify the representation during transfer of the values of ASN.1 types NOTE Encoding rules also enable the values to be recovered from the representation, given knowledge of the type. 3.9 end-application process or program using the communications stack 3.10 message set of da

    33、ta grouped together for transmission 3.11 OSI open systems interconnection reference model developed by ISO to enable different or similar systems to dialogue with one another NOTE This model constitutes a reference framework for describing data exchanges. Each layer performs a service at the reques

    34、t of the adjacent higher layer, and in turn, requests more basic services from the lower layers. It is described in 7 layers. 3.12 presentation layer layer that converts data using different syntax NOTE The presentation layer constitutes layer 6 of the OSI model. ISO 15784-1:2008(E) ISO 2008 All rig

    35、hts reserved 3 3.13 profile standard that defines rules by only combining requirements of other standards NOTE An application profile is a profile that specifies the application, presentation, and session layers by referencing a group of other standards. 3.14 protocol formal definition of a transiti

    36、on process NOTE A set of rules governing the flow of information in a communications system. 3.15 roadside modules terminal units controlled or monitored by a traffic management centre NOTE Roadside modules are usually installed at the roadside arena. 3.16 server computer or application which receiv

    37、es and responds to requests for data from client computers or applications using some kind of protocol 3.17 session layer layer that manages the dialogue between end-user application processes including restart, termination, and checkpointing NOTE The session layer constitutes layer 5 of the OSI mod

    38、el. 3.18 transport profile set of services which are responsible for providing a virtually error-free, point to point connection so that host-A can send data packets to host-B and they will arrive uncorrupted NOTE Connection-oriented transport profiles can also ensure that the data packets arrive in

    39、 the correct order. 4 Abbreviated terms AP Application Profile ASN.1 Abstract Syntax Notation 1 (ISO 8824) BER Basic Encoding Rules (ISO 8825-1) ISO International Organization for Standardization NTCIP National Transportation Communications for ITS Protocol OSI Open Systems Interconnect TCP Transmis

    40、sion Control Protocol (RFC 793) TMP Transportation Management Protocols TR Technical Report UDP User Datagram Protocol (RFC 768) ISO 15784-1:2008(E) 4 ISO 2008 All rights reserved5 Principle and framework of profiles 5.1 Concept of profile 5.1.1 General Profiles combine base standards or other profi

    41、les and identify them with definitions of appropriate classes, conforming subsets, options and parameters which are necessary to support a class of applications. 5.1.2 Relationship to base standards Some base standards provide options, anticipating the needs of a variety of applications of the funct

    42、ionality described. Profiles promote integration of base standards by defining how to use a combination of base standards for a given function and environment. In addition to the selection of base standards, a choice is made of permitted options for each base standard and of suitable value for param

    43、eters left unspecified in the base standards. Profiles shall not contradict base standards but shall make a specific choice where options and ranges of values are available. The options should be chosen so that the objectives of the profiles can be achieved in the most effective way. 5.1.3 Principle

    44、s of profile content 5.1.3.1 General rules of reference Profiles refer base standards in order to use the function and interface already defined in them. The general rules of reference to the base standards are as follows. a) Profiles restrict the choice of base standards options to the extent neces

    45、sary to maximise the probability of achieving the objective of the profiles. b) Profiles shall not specify any requirements that would contradict or cause non-conformance to the base standards. c) Profiles may contain conformance requirements which are more specific and limited in scope than those o

    46、f the base standards. Profiles may exclude some valid options permitted in the base standards. 5.1.3.2 Elements of a profile A profile consists of the following elements. a) Concise definition of the scope of the functionality that the profile is intended to meet. b) Scenario within which the profil

    47、e is applicable. c) Normative reference to a single set of base standards and profiles. d) Specification of the application of each reference base standard with choice of options or ranges of parameter values, etc. e) Statement defining the requirements to be observed by the systems claiming conform

    48、ance to the profile. ISO 15784-1:2008(E) ISO 2008 All rights reserved 5 5.1.4 Meaning of conformance to a profile The purpose of a profile is to specify the use of standards or sets of standards to provide clearly defined functionality. Thus conformance to a profile specification always implies conf

    49、ormance to the referenced standards. There can also be conformance requirements for the combined use of base standards which are distinct from any requirements associated with those base standards in isolation. Conformance requirements may be a) mandatory, or b) optional. Conformance requirements may also be specified as c) unconditional, or d) conditional. Conformance requirements may also be stated e) positively they state what is required to be done, or f) negatively they state what is required not to be don


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