1、A Joint Publication of:American Association of State Highway and Transportation Officials (AASHTO) Institute of Transportation Engineers (ITE)National Electrical Manufacturers Association (NEMA)NTCIP Standards PublicationNTCIP 2303:2001 v01.06National TransportationCommunications for ITS ProtocolFil
2、e Transfer Protocol Application ProfileA Joint Standard of AASHTO, ITE, and NEMAA Joint Standard of AASHTO, ITE, and NEMANTCIP 2303:2001 v01.06National Transportation Communications for ITS Protocol File Transfer Protocol Application ProfileDecember 2001 Published byAmerican Association of State Hig
3、hway and Transportation Officials (AASHTO) 444 North Capitol Street, N.W., Suite 249 Washington, D.C. 20001 Institute of Transportation Engineers (ITE)1099 14th Street, N.W., Suite 300 West Washington, D.C. 20005-3438 National Electrical Manufacturers Association (NEMA)1300 North 17th Street, Suite
4、1847 Rosslyn, Virginia 22209-3801 2001 AASHTO / ITE / NEMA. All rights reserved. 2001 by the American Association of State Highway and Transportation Officials (AASHTO), the Institute of Transportation Engineers (ITE), and the National Electrical Manufacturers Association (NEMA). All intellectual pr
5、operty rights, including, but not limited to, the rights of reproduction in whole or in part in any form, translation into other languages and display are reserved by the copyright owners under the laws of the United States of America, the Universal Copyright Convention, the Berne Convention, and th
6、e International and Pan American Copyright Conventions. Except for the MIB or the PRL, do not copy without written permissionof either AASHTO, ITE, or NEMA. NTCIP 2303:2001 v01.06 Page i 2001 AASHTO / ITE / NEMA Do Not Copy Without Written Permission ACKNOWLEDGEMENTS This publication was prepared by
7、 the NTCIP Profiles Working Group, which is a subdivision of the Joint Committee on the NTCIP. The Joint Committee is organized under a Memorandum of Understanding among the American Association of State Highway and Transportation Officials (AASHTO), the Institute of Transportation Engineers (ITE),
8、and the National Electrical Manufacturers Association (NEMA). The Joint Committee on the NTCIP consists of six representatives from each of the standards organizations, and provides guidance for NTCIP development. At the time that this document was prepared, the following individuals were active mem
9、bers of the NTCIP Profiles Working Group: Robert De Roche (Chair) Robert Force W. L. (Bud) Kent Gary Meredith Alexis Mousadi Brian Paulsmeyer Mike Robinson Nu Rosenbohm Kenneth Vaughn Hoi Wong Other individuals providing input to the document include: Joey Baumgartner Al Bonificio Phil Cabooter Kenn
10、eth Earnest Michael Forbis Joseph Herr D. Howard Dave Kingery Doug Lowe Don Ninke Jeff Racz Ray Starr Tom Wolfe In addition to the many volunteer efforts, recognition is also given to those organizations who supported the efforts of the working groups by providing comments and funding for the standa
11、rd, including: ARINC, Inc. Caltrans Eagle Traffic Control Systems Econolite Control Products, Inc Minnesota Department of Transportation Ministry of Transportation, Ontario Naztec, Inc. New York State DOT Odetics ITS, Inc. PB Farradyne, Inc. Peek Traffic Systems, Inc. Southwest Research Institute Te
12、xas DOT NTCIP 2303:2001 v01.06 Page ii Do Not Copy Without Written Permission 2001 AASHTO / ITE / NEMA Vanasse, Hagen MIL-STD-2045-14504: 29 July 1994. The NTCIP File Transfer Protocol Application Profile borrows heavily from that work and credit is due to the Data Communications Protocol Standards
13、Technical Management Panel for publishing the standard and placing it in the public domain. NTCIP 2303:2001 v01.06 Page iii 2001 AASHTO / ITE / NEMA Do Not Copy Without Written Permission FOREWORD This document uses only metric units. This publication defines an application profile that is a combina
14、tion of other profiles intended to meet specific requirements for reliable file transfers in a networked environment. This publication contains mandatory requirement statements that are applicable to all devices claiming conformance to this standard. This publication also contains optional and condi
15、tional requirements that may be applicable to a specific environment in which a device is used. The text includes mandatory requirements in Annex A that are defined as normative. For more information about NTCIP standards, visit the NTCIP Web Site at http:/www.ntcip.org. For a hardcopy summary of NT
16、CIP information, contact the NTCIP Coordinator at the address below. In preparation of this NTCIP document, input of users and other interested parties was sought and evaluated. Inquires, comments, and proposed or recommended revisions should be submitted to: NTCIP Coordinator National Electrical Ma
17、nufacturers Association 1300 North 17th Street, Suite 1847 Rosslyn, VA 22209-3801 fax: (703) 841-3331 e-mail: ntcipnema.org Approvals This document was separately balloted and approved by AASHTO, ITE, and NEMA after recommendation by the Joint Committee on the NTCIP. Each organization has approved t
18、his standard as the following standard type, as of the date: AASHTO Standard Specification; May 2000 ITE Software Standard; May 2001 NEMA Standard; January 2001 History From 1998 to 1999, this document was referenced as TS 3.FTP. However, to provide an organized numbering scheme for the NTCIP docume
19、nts, this document is now referenced as NTCIP 2303. The technical specifications of NTCIP 2303 are identical to the former reference, except as noted in the development history below: TS 3.FTP v98.01.06. March 1998 Accepted as a User Comment Draft by the Joint Committee on the NTCIP. July 1998 NTCIP
20、 Standards Bulletin B0013 referred the document for comment. NTCIP 2303 v99.01.05. July 1999 Accepted v99.01.04 as a Recommended Standard by the Joint Committee on the NTCIP. January 2000 NTCIP Standards Bulletin B0046 referred v99.01.05 with typographic corrections for approval. Approved by AASHTO
21、in May 2000, approved by ITE in May 2001, and approved by NEMA in January 2001. NTCIP 2303:2001 v01.06. December 2001 Reformatted for printing: incremented version number and updated date; modified and reorganized front matter to conform to NTCIP 8002; and updated headers, footers, and page numbers.
22、 All references to TS 3 Standard designations were changed to equivalent NTCIP Standard designations. NTCIP 2303:2001 v01.06 Page iv Do Not Copy Without Written Permission 2001 AASHTO / ITE / NEMA NTCIP 2303:2001 v01.06 Page v 2001 AASHTO / ITE / NEMA Do Not Copy Without Written Permission INTRODUCT
23、ION The context of the NTCIP is one part of the Intelligent Transportation Systems standardization activities covering base standards, profiles, and registration mechanisms. Base Standards define procedures and rules for providing the fundamental operations associated with communications and informa
24、tion that is exchanged over fixed-point communications links. Profiles define subsets or combinations of base standards used to provide specific functions or services. Profiles prescribe particular subsets or options available in base standards necessary for accomplishing a particular function or se
25、rvice. This provides a basis for the development of uniform, nationally recognized conformance. Registration Mechanisms provide a means to specify and uniquely identify detailed parameters within the framework of base standards and/or profiles. Within the Joint AASHTO/ITE/NEMA NTCIP Committee, the P
26、rofiles Working Group is concerned with the methodology of defining profiles, and their documentation in Standards Publications. This standard defines an application profile for block or file transfers to and from roadside devices. The objective is to facilitate the specification of ITS systems char
27、acterized by a high degree of interoperability and interchangeability of its components. In 1992, the NEMA 3-TS Transportation Management Systems and Associated Control Devices Section began the effort to develop the NTCIP. Under the guidance of the Federal Highway Administrations NTCIP Steering Gro
28、up, the NEMA effort was expanded to include the development of communications standards for all transportation field devices that could be used in an ITS network. In September 1996, an agreement was executed among AASHTO, ITE, and NEMA to jointly develop, approve, and maintain the NTCIP standards. I
29、n August 1997, the Joint Committee on the NTCIP formed a new working group to develop a method for organizing class profiles. The Profiles WG first met in September 1997. After research into how national and international standards organizations combine protocols and standards to address all seven l
30、ayer of the ISO-OSI Reference Model, the committee adopted the approach defined in the NTCIP Profile Framework. Following that approach, a protocol stack is specified by an application, transport, subnetwork profiles. An application profile addresses the application, presentation, and session layers
31、. A transport profile addresses the transport and network layers. A subnetwork profile addresses the data link and physical layers. The NTCIP File Transfer Protocol - Application Profile (AP-FTP) is an application profile for use in center-to-roadside and center-to-center communications. NTCIP 2303:
32、2001 v01.06 Page vi Do Not Copy Without Written Permission 2001 AASHTO / ITE / NEMA If you are not willing to abide by the following notices, return these materials immediately. Joint AASHTO, ITE, and NEMA NTCIP Profile Requirements List REPRODUCTION NOTICE AASHTO / ITE / NEMA extend permission to t
33、he purchaser of this standards publication to make and/or distribute unlimited copies (including derivative works which will then be known as PICS) of the excerpt identified as the Profile Requirements List including copies for commercial distribution, provided that each copy made or distributed con
34、tains the notice “Based on an NTCIP Profile Requirements List. Used by permission of AASHTO / ITE / NEMA.” DisclaimerThe information in this publication was considered technically sound by the consensus of persons engaged in the development and approval of the document at the time it was developed.
35、Consensus does not necessarily mean that there is unanimous agreement among every person participating in the development of this document. AASHTO, ITE, and NEMA standards and guideline publications, of which the document contained herein is one, are developed through a voluntary consensus standards
36、 development process. This process brings together volunteers and/or seeks out the views of persons who have an interest in the topic covered by this publication. While AASHTO, ITE, and NEMA administer the process and establish rules to promote fairness in the development of consensus, they do not w
37、rite the document and they do not independently test, evaluate, or verify the accuracy or completeness of any information or the soundness of any judgments contained in their standards and guideline publications. AASHTO, ITE, and NEMA disclaim liability for any personal injury, property, or other da
38、mages of any nature whatsoever, whether special, indirect, consequential, or compensatory, directly or indirectly resulting from the publication, use of, application, or reliance on this document. AASHTO, ITE, and NEMA disclaim and make no guaranty or warranty, express or implied, as to the accuracy
39、 or completeness of any information published herein, and disclaims and makes no warranty that the information in this document will fulfill any of your particular purposes or needs. AASHTO, ITE, and NEMA do not undertake to guarantee the performance of any individual manufacturer or sellers product
40、s or services by virtue of this standard or guide. In publishing and making this document available, AASHTO, ITE, and NEMA are not undertaking to render professional or other services for or on behalf of any person or entity, nor are AASHTO, ITE, and NEMA undertaking to perform any duty owed by any
41、person or entity to someone else. Anyone using this document should rely on his or her own independent judgment or, as appropriate, seek the advice of a competent professional in determining the exercise of reasonable care in any given circumstances. Information and other standards on the topic cove
42、red by this publication may be available from other sources, which the user may wish to consult for additional views or information not covered by this publication. AASHTO, ITE, and NEMA have no power, nor do they undertake to police or enforce compliance with the contents of this document. AASHTO,
43、ITE, and NEMA do not certify, test, or inspect products, designs, or installations for safety or health purposes. Any certification or other statement of compliance with any health or safetyrelated information in this document shall not be attributable to AASHTO, ITE, or NEMA and is solely the respo
44、nsibility of the certifier or maker of the statement. NTCIP is a trademark of AASHTO / ITE / NEMA. NTCIP 2303:2001 v01.06 Page vii 2001 AASHTO / ITE / NEMA Do Not Copy Without Written Permission CONTENTS Section 1 GENERAL.1-11.1 Scope1-11.2 Profile-Protocol-Layer Relationships.1-11.3 References1-11.
45、3.1 Normative References .1-21.3.2 Other References.1-21.4 Definitions .1-21.5 Abbreviations and Acronyms 1-4Section 2 CONFORMANCE2-12.1 General Requirements2-12.1.1 Data Transfer Functions 2-12.1.2 File Transfer Functions 2-12.1.3 Declarative Specifications2-12.2 Conformance Requirements.2-12.2.1 D
46、ata Types.2-12.2.2 Data Structures 2-12.2.3 Transmission Modes2-12.2.4 Commands.2-22.2.5 FTP Replies .2-42.2.6 Minimum Implementation.2-42.2.7 User Interface 2-42.2.8 Idle Timeout .2-52.2.9 Interface Conformance 2-52.2.10 Other Features.2-5Annex A FTP APPLICATION PROFILE REQUIREMENTS LIST A-1A.1 Int
47、roduction A-1A.1.1 Notation. A-1A.2 Standards Referenced . A-3A.3 PICS Requirements List. A-3A.3.1 General Information A-3A.4 Basic Requirements. A-4A.4.1 Data Types A-4A.4.2 Data Structure. A-5A.4.3 Transmission Modes. A-5A.4.4 FTP Commands A-5A.4.5 “Experimental“ Directory Commands A-7A.4.6 Other
48、Features A-8A.4.7 Idle Timeout A-8NTCIP 2303:2001 v01.06 Page viii Do Not Copy Without Written Permission 2001 AASHTO / ITE / NEMA NTCIP 2303:2001 v01.06 Page 1-1 2001 AASHTO / ITE / NEMA Do Not Copy Without Written Permission Section 1 GENERAL 1.1 SCOPE This standard is applicable to traffic contro
49、l and transportation devices concerned with operating in an Intelligent Transportation System. As an NTCIP application profile, it specifies a set of protocols and standards for the application, presentation, and session layers of the ISO - OSI Reference Model. This standard specifies a combination of Internet standards that collectively provide file transfer services over a connection-oriented transport service. 1.2 PROFILE-PROTOCOL-LAYER RELATIONSHIPS This application profile specifies the provisions for the File Transfer Protocol. This profile pr
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