ITU-T F 435-1999 Message handling services Electronic Data Interchange messaging service SERIES F NON-TELEPHONE TELECOMMUNICATION SERVICES Message handling services (Study Group 7).pdf

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1、 INTERNATIONAL TELECOMMUNICATION UNION ITU-T F.435TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU (06/99) SERIES F: NON-TELEPHONE TELECOMMUNICATION SERVICES Message handling services Message handling services: Electronic Data Interchange messaging service ITU-T Recommendation F.435 (Previously CCITT

2、 Recommendation) ITU-T F-SERIES RECOMMENDATIONS NON-TELEPHONE TELECOMMUNICATION SERVICES For further details, please refer to ITU-T List of Recommendations. TELEGRAPH SERVICE Operating methods for the international public telegram service F.1F.19 The gentex network F.20F.29 Message switching F.30F.3

3、9 The international telemessage service F.40F.58 The international telex service F.59F.89 Statistics and publications on international telegraph services F.90F.99 Scheduled and leased communication services F.100F.104 Phototelegraph service F.105F.109 MOBILE SERVICE Mobile services and multidestinat

4、ion satellite services F.110F.159 TELEMATIC SERVICES Public facsimile service F.160F.199 Teletex service F.200F.299 Videotex service F.300F.349 General provisions for telematic services F.350F.399 MESSAGE HANDLING SERVICES F.400F.499 DIRECTORY SERVICES F.500F.549 DOCUMENT COMMUNICATION Document comm

5、unication F.550F.579 Programming communication interfaces F.580F.599 DATA TRANSMISSION SERVICES F.600F.699 AUDIOVISUAL SERVICES F.700F.799 ISDN SERVICES F.800F.849 UNIVERSAL PERSONAL TELECOMMUNICATION F.850F.899 HUMAN FACTORS F.900F.999 Recommendation F.435 (06/99) i ITU-T RECOMMENDATION F.435 MESSA

6、GE HANDLING SERVICES: ELECTRONIC DATA INTERCHANGE MESSAGING SERVICE Summary This Recommendation is one of a set of Recommendations for message handling. The entire set provides a comprehensive specification for message handling comprising any number of cooperating open-systems. Message handling syst

7、ems and services enable users to exchange messages on a store-and-forward basis. A message submitted by one user, the originator, is conveyed by the message transfer system (MTS), the principal component of a larger message handling system (MHS), and is subsequently delivered to one or more addition

8、al users, the messages recipients. An MHS comprises a variety of interconnected functional entities. Message transfer agents (MTAs) cooperate to perform the store-and-forward message transfer function. Message stores (MSs) provide storage for messages and enable their submission, retrieval and manag

9、ement. User agents (UAs) help users access MHS. Access units (AUs) provide links to other communication systems and services of various kinds (e.g. other telematic services, postal services). This Recommendation defines the overall system and service description of the message handling application c

10、alled EDI messaging. This edition introduces new Elements of Services (EOS) to provide the EDI message store with capabilities similar to those of the IPM message store for message store correlation and services. Source ITU-T Recommendation F.435 was revised by ITU-T Study Group 7 (1997-2000) and wa

11、s approved under the WTSC Resolution No. 1 procedure on 18 June 1999. ii Recommendation F.435 (06/99) FOREWORD ITU (International Telecommunication Union) is the United Nations Specialized Agency in the field of telecommuni-cations. The ITU Telecommunication Standardization Sector (ITU-T) is a perma

12、nent organ of the ITU. The ITU-T is responsible for studying technical, operating and tariff questions and issuing Recommendations on them with a view to standardizing telecommunications on a worldwide basis. The World Telecommunication Standardization Conference (WTSC), which meets every four years

13、, establishes the topics for study by the ITU-T Study Groups which, in their turn, produce Recommendations on these topics. The approval of Recommendations by the Members of the ITU-T is covered by the procedure laid down in WTSC Resolution No. 1. In some areas of information technology which fall w

14、ithin ITU-Ts purview, the necessary standards are prepared on a collaborative basis with ISO and IEC. NOTE In this Recommendation, the expression “Administration“ is used for conciseness to indicate both a telecommunication administration and a recognized operating agency. INTELLECTUAL PROPERTY RIGH

15、TS The ITU draws attention to the possibility that the practice or implementation of this Recommendation may involve the use of a claimed Intellectual Property Right. The ITU takes no position concerning the evidence, validity or applicability of claimed Intellectual Property Rights, whether asserte

16、d by ITU members or others outside of the Recommendation development process. As of the date of approval of this Recommendation, the ITU had not received notice of intellectual property, protected by patents, which may be required to implement this Recommendation. However, implementors are cautioned

17、 that this may not represent the latest information and are therefore strongly urged to consult the TSB patent database. ITU 2000 All rights reserved. No part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm

18、, without permission in writing from the ITU. Recommendation F.435 (06/99) iii CONTENTS Page 1 Scope 1 2 Normative references . 1 2.1 Identical Recommendations | International Standards 1 2.2 Paired Recommendations | International Standards equivalent in technical content 1 2.3 Additional references

19、 2 3 Definitions 2 3.1 EDI forwarding. 2 3.2 EDI message . 2 3.3 EDI messaging user 2 3.4 EDI notification 2 3.5 EDI message responsibility. 2 4 Abbreviations . 2 5 Conventions 3 6 EDI messaging service . 3 6.1 Introduction. 3 6.2 EDI messaging 4 6.3 EDI messaging environment. 4 6.4 EDI messaging us

20、er 4 7 EDI messaging system . 4 7.1 Introduction. 4 7.2 Information flow in the EDIMS 5 7.3 EDI messaging service functional model 5 7.4 Structure of EDI messages 6 7.5 EDI notification 8 8 EDIM responsibility and forwarding 9 8.1 Introduction. 9 8.2 Forwarding and secondary distribution. 9 8.3 Case

21、 1: No forwarding 10 8.4 Case 2: Content not changed and EDIM responsibility forwarded. 11 8.5 Case 3: EDIM responsibility not forwarded . 13 9 EDI naming, addressing and use of directory. 13 10 EDI security . 14 11 Intercommunication with physical delivery services . 15 11.1 Introduction. 15 11.2 D

22、elivery and notifications. 15 11.3 Transfer of EDIM responsibility. 16 11.4 Physical rendition . 16 12 Use of message store for EDI. 16 13 Elements of service 16 14 Classification of elements of service 16 14.1 Basic EDI messaging service 16 14.2 EDI messaging service optional user facilities . 18 i

23、v Recommendation F.435 (06/99) Page 15 Quality of service . 21 15.1 EDI message status . 21 15.2 Support by providers of EDI service. 21 15.3 Model of delivery and notification times 21 15.4 EDI message delivery time targets 21 15.5 EDI notification time targets. 22 15.6 Error protection. 23 15.7 Av

24、ailability of service. 23 Annex A Glossary of Terms. 23 A.1 EDI application. 23 A.2 EDI interchange 23 A.3 EDI message (EDIM) . 23 A.4 EDI message store (EDI-MS) . 23 A.5 EDI messaging (EDIMG) . 24 A.6 EDI messaging environment (EDIME). 24 A.7 EDI messaging service 24 A.8 EDI messaging system (EDIMS

25、) 24 A.9 EDI messaging user (EDIMG user) 24 A.10 EDI notification (EDIN) . 24 A.11 EDI message responsibility. 24 A.12 EDI security 25 A.13 EDI user 25 A.14 EDI user agent (EDI-UA) . 25 A.15 Electronic data interchange (EDI). 25 A.16 GS . 25 A.17 IEA 25 A.18 Interchange . 25 A.19 ISA 25 A.20 MHD. 25

26、 A.21 ST 25 A.22 STX. 26 A.23 UNA 26 A.24 UNB 26 A.25 UNG 26 A.26 UNH 26 A.27 UNT 26 A.28 UNZ 26 Annex B Definitions of Elements of Service 26 B.1 application security element EDI.1 26 B.2 auto-acknowledgement of EDI messages EDI.31 27 B.3 auto-correlation of EDI messages EDI.32 27 B.4 auto-correlat

27、ion of EDI notifications EDI.33. 27 B.5 character set EDI.2. 27 B.6 cross reference information EDI.3 . 27 B.7 EDI forwarding EDI.4 27 B.8 EDI message type(s) EDI.5 27 B.9 EDI notification request EDI.6. 27 B.10 EDI standard indication EDI.7 . 28 B.11 EDI message Identification EDI.8 28 B.12 EDIM re

28、sponsibility forwarding allowed indication EDI.9 . 28 B.13 EDIN receiver EDI.10 28 B.14 expiry date/time indication EDI.11 28 Recommendation F.435 (06/99) v Page B.15 incomplete copy indication EDI.12 29 B.16 interchange header EDI.13. 29 B.17 multi-part body EDI.14 29 B.18 non-repudiation of conten

29、t originated EDI.15 29 B.19 non-repudiation of content received EDI.16 29 B.20 non-repudiation of content received request EDI.17 29 B.21 non-repudiation of EDI notification EDI.18 29 B.22 non-repudiation of EDI notification request EDI.19 30 B.23 obsoleting indication EDI.20 30 B.24 originator indi

30、cation EDI.21 30 B.25 proof of content received EDI.22. 30 B.26 proof of content received request EDI.23. 30 B.27 proof of EDI notification EDI.24 . 30 B.28 proof of EDI notification request EDI.25. 30 B.29 recipient indication EDI.26 31 B.30 related message(s) EDI.27 31 B.31 services indication EDI

31、.28 . 31 B.32 stored EDI message auto-forward EDI.29 31 B.33 submission of EDI messages incorporating stored messages EDI.34 31 B.34 typed body EDI.30 . 31 Annex C Security Overview. 32 C.1 Introduction. 32 C.2 Vulnerabilities. 32 C.3 Vulnerabilities countered 33 C.4 Additional pervasive mechanisms

32、38 Annex D EDI naming, addressing, and use of Directory 39 D.1 Introduction. 39 D.2 EDI naming. 39 D.3 Suggested DIT structure for EDI 39 D.4 Name resolution 40 D.5 Authentication. 41 D.6 Capabilities assessment. 42 Annex E Cross Referencing Overview. 43 Recommendation F.435 (06/99) 1 Recommendation

33、 F.435 Recommendation F.435 (06/99) MESSAGE HANDLING SERVICES: ELECTRONIC DATA INTERCHANGE MESSAGING SERVICE1(revised in 1999) 1 Scope This Recommendation defines the overall system and service of EDI messaging. Other aspects of message handling systems and services are defined in other Recommendati

34、ons. The layout of Recommendations defining the message handling system and services is shown in Table 1/F.400/X.400. The public services built on MHS, as well as access to and from the MHS for public services are defined in the F.400-series of Recommendations. The technical aspects of MHS are defin

35、ed in the X.400-series of Recommendations. The overall system architecture of MHS is defined in ITU-T Rec. X.402 | ISO/IEC 10021-2. The technical aspects of EDI messaging are defined in ITU-T Rec. X.435 | ISO/IEC 10021-9. 2 Normative references The following ITU-T Recommendations and other reference

36、s contain provisions which, through reference in this text, constitute provisions of this Recommendation. At the time of publication, the editions indicated were valid. All Recommendations and other references are subject to revision; all users of this Recommendation are therefore encouraged to inve

37、stigate the possibility of applying the most recent edition of the Recommendations and other references listed below. A list of the currently valid ITU-T Recommendations is regularly published. 2.1 Identical Recommendations | International Standards ITU-T Recommendation X.402 (1999) | ISO/IEC 10021-

38、2:1999, Information technology Message Handling Systems (MHS): Overall architecture. ITU-T Recommendation X.413 (1999) | ISO/IEC 10021-5:1999, Information technology Message Handling Systems (MHS) Message store: Abstract service definition. ITU-T Recommendation X.435 (1999) | ISO/IEC 10021-9, Inform

39、ation technology Message handling systems: Electronic data interchange messaging system. ITU-T Recommendation X.501 (1997) | ISO/IEC 9594-2:1998, Information technology Open Systems Interconnection The Directory: Models. ITU-T Recommendation X.509 (1997) | ISO/IEC 9594-8:1998, Information technology

40、 Open Systems Interconnection The Directory: Authentication framework. ITU-T Recommendation X.521 (1997) | ISO/IEC 9594-7:1998. Information technology Open Systems Interconnection The Directory: Selected object classes. 2.2 Paired Recommendations | International Standards equivalent in technical con

41、tent ITU-T Recommendation F.400/X.400 (1999), Message handling system and service overview. ISO/IEC 10021-1:.2, Information technology Message Handling System (MHS) Part 1: System and Service Overview. _ 1Recommendation F.435 and ISO/IEC 10021-8, Information technology Text Communication Message Han

42、dling Systems: Electronic data interchange messaging system, are technically aligned. 2To be published. 2 Recommendation F.435 (06/99) 2.3 Additional references CCITT Recommendation F.401 (1992), Naming and addressing for public message handling services. CCITT Recommendation F.415 (1988), Intercomm

43、unication with public physical delivery services. 3 Definitions For the purposes of this Recommendation, the following definitions, and those defined in Annex A apply. Definitions of the elements of service applicable to EDI messaging are contained in Annex B. The elements of service applicable to t

44、he Message Transfer Service, and used by EDI messaging, are called out in this Recommendation, however their definitions are contained in Annex B/F.400/X.400. 3.1 EDI forwarding Onward transfer of a received EDIM to one or more recipients determined by the forwarding EDI user agent/message store. ED

45、I forwarding takes place when an EDI message having been delivered to an EDI user agent or EDI message store is forwarded onward to another EDI user agent or EDI message store. 3.2 EDI message Information in electronic form that is transferred between EDI messaging users. An EDI message is a member

46、of the primary class of information objects conveyed between EDI messaging users. See also clause 5 of ITU-T Rec. X.435 | ISO/IEC 10021-9. 3.3 EDI messaging user User that engages in EDI messaging. An EDI messaging user originates, receives, or both originates and receives EDI messages. The EDI mess

47、aging environment contains any number of EDI messaging users. An EDI messaging user may be a person or a computer process. An EDI messaging user may access the EDI messaging system through an access unit. 3.4 EDI notification Member of the secondary class of information objects that indicates to the

48、 originator of an EDI message the disposition of EDIM responsibility for the EDI message. 3.5 EDI message responsibility EDI message responsibility indicates whether the subject EDI message has been made available to a specific user by its EDI user agent/message store. EDI message responsibility car

49、ries no legal significance within this Recommendation and ITU-T Rec. X.435 | ISO/IEC 10021-9. 4 Abbreviations This Recommendation uses the following abbreviations: ANSI American National Standards Institute AU Access Unit DIT Directory Information Tree DL Distribution List DUA Directory User Agent EDI Electronic Data Interchange Recommendation F.435 (06/99) 3 EDIFACT Electronic Data Interchange f