電子資料交換是在雙方或多方同意的標準下，從一個資訊系統到另一個系統，以資訊、通訊的方式傳輸結構化資料的基礎；而網際網路電子資料交換（EDIINT） - 則是以網際網路的系統架構來傳輸、支援電子資料交換的整合機制，也就是，它的目的是強調整合現有多種網際網路傳輸的機制與協定及開放的交換標準，進行資料交換與傳輸。本研究針對 EDIINT 各方面的整合，從企業競爭力經營的角度，提出為何使用 EDIINT的理由，以各種封閉、開放性質之網路及電子資料交換標準，說明其演進的過程；並從公開標準轉換和網路傳輸通訊這兩方面 EDIINT 之重要概念，提出一延伸之整合架構；根據此架構進而配合上 UN/EDIFACT 和 MIME 的規格，建立一個完整的 EDIINT經由 Mail System來完成商業資料通訊的實證系統。
同時，隨著數位浮水印影像、影訊、音訊等具商業價值的商務多媒體使用度的增加，本研究亦嘗試在系統上提供 EDI 和多媒體之間的連結，提供商務多媒體的服務，證實其整合上的可行性。
在傳輸的過程中，我們也嵌入了交換安全控管機制，對於安全的網際商務電子資料交換標準與傳輸，完成實測驗證。實測的結果顯示了 EDI Translator 可以很容易地和 Mail User Agent 及 SMTP Services進行整合，並且提供雙方在安全的 PGP/MIME 機制下，傳輸 EDI 字串和商務多媒體資料。在網際網路商業應用盛行，電子商務快速成長的今日，期望本研究之整合和驗證能夠提供此方面研究發展和應用的參考。

Electronic Data Interchange (EDI) is defined as the corresponding standard of both or multi-communities which is used as the transferring protocol of the structured information through the electronic communication channels. However, the electronic data interchange over Internet (EDIINT) is an integrated mechanism which does not only support the EDI standard but also can be used under the Internet environment. Its purpose emphasizes at the integration of many existing Internet transferring schemes and offers an open exchanging standard for the data interchange and communication. In this study, we focus at the EDIINT integration from different aspect. Besides, we provide the evidence of supporting EDIINT from the business operation point of view, examine the evolution of this standard by comparing the criterion of either the close or open property of the network and the EDI standard. Fulfilling the requirement of open transferring standards and network communications, we propose a complete business EDIINT approach through mail system by combining the existing UN/EDIFACT and MIME format and prove its feasibility.
In addition, there are increasing need for business multimedia applications such as digital watermarking image, video and audio data. To provide the interrelationship between the EDI standard and the multimedia information, our system supports the business multimedia service and confirms its capability of integration.
At the stage of communication, we also encapsulate the security control mechanism. The scheme completes the actual implementation for the safe Internet business electronic data interchange and transmission. Our study shows that it is easy to integrate the EDI translator with the mail agent for SMTP service, to transfer EDI strings and business multimedia under the reliable PGP/MIME protocol. Due to the speedy commercialization of the Internet and the fast prosperity of the E-commerce, we expect that our integrated technology study could behave as the reference for the development and the applications in the associated fields.

第壹章、緒論………………….………………………………………………………1
第一節、研究主題概述：網際網路電子資料交換…….…………………………1
第二節、研究動機………………….………………………………………………1
第三節、研究方法………………….………………………………………………2
第四節、論文大綱與架構………….………………………………………………3
第五節、論文貢獻………………….………………………………………………4
第貳章、電子商務與電子資料交換簡介……………………………………………5
第一節、電子資料交換簡介………………………………………………………..5
（一）發展簡述………………………………………………………………….5
（二）電子資料交換的優勢…………………………………………………….6
第二節、電子商務的介紹…………………………………………………………..8
（一）電子商務的基本簡介…………………………………………………….8
（二）電子商務與電子資料交換的發展和關係….…………………………...10
第參章、網際網路電子資料交換……………………….…………………………..11
第一節、網際網路電子資料交換簡介………………….………………………..11
（一）從交換標準與通訊網路分析電子資料交換的演進…….……………..11
（二）開放標準和網際網路的結合：網際網路電子資料交換.……………..13
第二節、使用網際網路電子資料交換的理由……………………………………13
第三節、目前網際網路電子資料交換的態勢…………………………………...14
（一）交換標準…………………………………………………………………14
（二）交換標準的選擇…………………………………………………………14
（三）通訊網路………………………………………………………………...16
（四）通訊網路的選擇…………………………………………………………17
第肆章、EDIINT 之研究分析與架構提出…………………………………………18
第一節、EDIINT 的架構整合……………………………………………………18
第二節、整合架構一：轉換與展示（Translation and Display）…………………..19
（一）訊息格式：UN/EDIFACT………………………………………………19
（二）訊息格式：UN/EDIFACT 細部說明…………………………………….21
（三）交換訊息的轉換…………………………………………………………24
（四）UN/EDIFACT 交換字串範例說明……………………………………..26
（五）交換訊息內容與嵌入服務展示…………………………………………27
第三節、整合架構二：服務的嵌入（Services Embedding）………………….……28
（一）嵌入商務多媒體參考資訊……………………………………………....28
（二）嵌入交換訊息安控服務機制……………………………………………29
第四節、整合架構三：交換資料封裝（Interchange Data Encapsulation）……32
（一）RFC 822 和 MIME 的封裝……………………………………………32
（二）交換訊息的安全機制…………………………………………………....35
（三）封裝本身的安全機制…………………………………………………....36
第五節、整合架構四：交換資料傳送（Interchange Data Transmission）…………39
（一）交換資料傳送的通訊協定：SMTP…………………………………….39
（二）取得傳送資料的通訊協定：POP3 & IMAP…………………………...39
（三）通訊協定的安全機制…………………………………………………...39
第六節、小結……………………………………………………………………...40
第伍章、網際網路電子資料交換之整合：設計與測試……………………………41
第一節、於Sun OS UNIX 上的設計與實作測試……………………………….41
（一）實作與測試環境…………………………………………………...…….41
（二）實作模型設計……………………………………………………...…….41
（三）實測結果………………………………………………………….……...44
第二節、於Sun OS UNIX 上的設計與實作測試………………………………..49
（一）實作與測試環境…………………………………………………...…….49
（二）實作模型設計…………………………………………………...……….49
（三）實測結果…………………………………………………...…………….49
第陸章、相關之網際網路電子資料交換議題研究………………………………....59
第一節、互動式電子資料交換…………………………………………………...59
（一）互動式電子資料交換簡介………………………………………………59
（二）批次式與互動式電子資料交換的主要差異比較………………………61
（三）網際網路互動式電子資料交換之通訊協定比較………………………62
第二節、小結………………………………………………………………………65
第柒章、未來研究及設計方向………………………………………………………67
第一節、系統與實作測試………………………………………………………...67
（一）不同方法的實作………………………………………………………...67
（二）不同平台和環境的測試…………………………………………………67
（三）系統的細節修正………………………………………………………....67
第二節、爭議點的討論與 Interactive EDIINT…………………………………..67
（一）SMTP 與 HTTP 的爭論………………………………………………..67
（二）網際網路互動式電子資料交換…………………………………………68
第捌章、總結與討論………………………………………………………………....69
第玖章、參考文獻及附錄……………………………………………………………71
附錄（一）發表之論文……………………………………………………….……..74
附錄（二）實作所使用之軟體版權說明…………………………………….……..80

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[14] J. Oikarinen & D. Reed, "Internet Relay Chat Protocol", RFC 1459, May 1993
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[23] R. Rivest, "The MD5 Message-Digest Algorithm", RFC 1321, Apr 1992
[24] D. H. Crocker, "Standard for ARPA Internet Text Messages" , RFC822, 1982
[25] S. Kille, "(Mime Internet X.400 Enhanced Relay): Mapping between X.400 and RFC 822/MIME", RFC 2156, Jan 1998
[26] N. Freed & N. Borenstein, "(MIME) Part One: Format of Internet Message Bodies", RFC 2045, Nov 1996
[27] N. Freed & N. Borenstein, "MIME Part Two: Media Types", RFC 2046, Nov 1996
[28] K. Moore, "MIME Part Three: Message Header Extensions for Non-ASCII", RFC 2047, Nov 1996
[29] D. H. Crocker, "MIME Encapsulation of EDI Objects", RFC 1767, Mar 1995
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[32] Available at http://www.fto.de/pgp-ca/index.htm
[33] M. Elkins, "MIME Security with Pretty Good Privacy (PGP)", RFC 2015, Oct 1996
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[35] J. Myers & et al., "Post Office Protocol - Version 3", May 1996, RFC 1939
[36] M. Crispin, "Internet Message Access Protocol - Version 4reV1", Dec 1996, RFC 2060
[37] P. Hoffman, "SMTP Service Extension for Secure SMTP over TLS", January 1999, RFC 2487
[38] J. Franks & et al., "HTTP Authentication: Basic and Digest Access Authentication", June 1999, RFC 2617
[39] M.G. Tsai, "Librsa Version 0.80", M.G.Tsai, 1996
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[44] N. Freed, "SMTP Service Extension for Command Pipelining", RFC 2197, Sep 1997
[45] J. Postel, "User Datagram Protocol", RFC 768, Aug 1980
[46] J. Postel, "Transmission Control Protocol", RFC 793, Sep 1981
[47] Internet Engineering Task Force，available at http://www.ietf.org/