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1、 Reference number ISO 15784-1:2008(E) ISO 2008 INTERNATIONAL 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 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Boeing Co/5910770001 Not for
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8、eb www.iso.org Published in Switzerland ii ISO 2008 All rights reserved Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Boeing Co/5910770001 Not for Resale, 01/29/2009 23:36:56 MSTNo reproduction or networking permitted without license from IH
9、S -,-,- ISO 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 Abbreviated 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 s
10、tandards 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 content 6 5.3 ISO/IEC profile standards 6 6 Requirements 6 6.1 Standardized profiles for centre to roadside communication . 6 6
11、.2 Application profiles 6 Annex A (normative) Rules for drafting and presentation of standardized profiles. 7 Bibliography. 9 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Boeing Co/5910770001 Not for Resale, 01/29/2009 23:36:56 MSTNo reprod
12、uction or networking permitted without license from IHS -,-,- ISO 15784-1:2008(E) iv ISO 2008 All rights reserved Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standard
13、s 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
14、part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters 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 t
15、o prepare International Standards. Draft International Standards adopted by the technical committees are circulated 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
16、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. ISO 15784-1 was prepared by Technical Committee ISO/TC 204, Intelligent transport systems. ISO 15784 consists of the following parts, under
17、 the general title Intelligent transport systems (ITS) Data exchange involving roadside modules communication: Part 1: General principles and documentation framework of application profiles Part 3: Application profile-data exchange (AP-DATEX) Copyright International Organization for Standardization
18、Provided by IHS under license with ISO Licensee=Boeing Co/5910770001 Not for Resale, 01/29/2009 23:36:56 MSTNo reproduction or networking permitted without license from IHS -,-,- ISO 15784-1:2008(E) ISO 2008 All rights reserved v Introduction The functional requirements for communication between a t
19、raffic management centre and roadside modules 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 be
20、tween a traffic management centre and roadside 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
21、, ISO/TC 204/WG9 adopted the philosophy of producing 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
22、/IEC TR 10000, which is a series of Technical 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
23、 functional requirements to data exchange between 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
24、internationally standardized protocols because 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
25、 options to use for data exchange between traffic management centres and roadside modules for traffic management. Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Boeing Co/5910770001 Not for Resale, 01/29/2009 23:36:56 MSTNo reproduction or ne
26、tworking permitted without license from IHS -,-,- Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Boeing Co/5910770001 Not for Resale, 01/29/2009 23:36:56 MSTNo reproduction or networking permitted without license from IHS -,-,- INTERNATIONAL
27、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 application profiles 1 Scope The purpose of this part of ISO 15784 is to provide principles
28、 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 part of ISO 15784 are used to exchange data and messages in the following cases. a) Bet
29、ween 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 roadside modules and on- board units, in-vehicle communication, in-cabinet communicati
30、on 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 the edition cited applies. For undated references, the latest edition of the referen
31、ced 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 ISO/IEC TR 10000-2:1998 Information technology Framework and taxonomy of International
32、 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 functions needed for the distributed applications not already provided by the prese
33、ntation service NOTE The application layer constitutes layer 7 of the OSI model. Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Boeing Co/5910770001 Not for Resale, 01/29/2009 23:36:56 MSTNo reproduction or networking permitted without licens
34、e from IHS -,-,- ISO 15784-1:2008(E) 2 ISO 2008 All rights reserved 3.2 base standard approved international standard or a related authoritative standard 3.3 centre computer or network that is required to meet a standardized communications interface over a fixed-point communications network, regardl
35、ess 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 which requests and accepts data from a server computer or application using some kind of protocol 3.5 compatibility capability of two or more items o
36、r components of equipment or material to exist and/or function in the same system or environment without modification, adaptation or mutual interference 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
37、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 encoding rules rules which specify the representation during transfer of the values of ASN.1 types NOTE Encoding rules also enable the values to be rec
38、overed from the representation, given knowledge of the type. 3.9 end-application process or program using the communications stack 3.10 message set of data grouped together for transmission 3.11 OSI open systems interconnection reference model developed by ISO to enable different or similar systems
39、to dialogue with one another NOTE This model constitutes a reference framework for describing data exchanges. Each layer performs a service at the request 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 lay
40、er layer that converts data using different syntax NOTE The presentation layer constitutes layer 6 of the OSI model. Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Boeing Co/5910770001 Not for Resale, 01/29/2009 23:36:56 MSTNo reproduction or
41、 networking permitted without license from IHS -,-,- ISO 15784-1:2008(E) ISO 2008 All rights 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
42、 by referencing a group of other standards. 3.14 protocol formal definition of a transition 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
43、usually installed at the roadside arena. 3.16 server computer or application which receives 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,
44、 termination, and checkpointing NOTE The session layer constitutes layer 5 of the OSI model. 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 NO
45、TE Connection-oriented transport profiles can also ensure that the data packets arrive in 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
46、Transportation Communications for ITS Protocol OSI Open Systems Interconnect TCP Transmission Control Protocol (RFC 793) TMP Transportation Management Protocols TR Technical Report UDP User Datagram Protocol (RFC 768) Copyright International Organization for Standardization Provided by IHS under lic
47、ense with ISO Licensee=Boeing Co/5910770001 Not for Resale, 01/29/2009 23:36:56 MSTNo reproduction or networking permitted without license from IHS -,-,- ISO 15784-1:2008(E) 4 ISO 2008 All rights reserved 5 Principle and framework of profiles 5.1 Concept of profile 5.1.1 General Profiles combine bas
48、e standards or other profiles 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 functionality described. Profiles promote integration of base standards by defining how to use a combinati