Table Of Content

- tXX/XSm -r-p-"^- NAVAL POSTGRADUATE SCHOOL Monterey California , THESIS ELECTRONIC DATA INTERCHANGE by Chung, Jae Du March 1991 Thesis Advisor: Myung W. Suh Approved for public release; distribution is unlimited T256814 Unclassified security classification of this page REPORT DOCUMENTATION PAGE la Report Security Classification Lnclassified lb Restrictive Markings 2a Security Classification Authority 3 Distribution Availability of Report 2b Declassification Downgrading Schedule Approved for public release; distribution is unlimited. 4 Performing Organization Report Number(s) 5 Monitoring Organization Report Number(s) 6a Name of Performing Organization 6b Office Symbol 7a Name of Monitoring Organization Naval Postcraduate School (ifapplicable) 32 Naval Postgraduate School 6c Address (city, stare, and ZIP code) 7b Address (city, state, and ZIP code) Monterev, CA 93943-5000 Monterev. CA 93943-5000 8a Name of Funding Sponsoring Organization 8b Office Symbol 9 Procurement Instrument Identification Number (ifapplicable) 8c Address (city, state, and ZIP code) 10 Source of Funding Numbers Program Element No Project No Task No Work Unit Accession No ELECTRONIC DATA INTERCHANGE 11 Title (includesecurity classification) 12 Personal Author(s) Chuns, J. D. 13a Type of Report 13b Time Covered 14 Date of Report (year, month, day) 15 Paee Count Master's Thesis From To March 1991 85 16 Supplementary Notation The views expressed in this thesis are those of the author and do not reflect the official policy or po- sition ofthe Department of Defense or the U.S. Government. 17 Cosati Codes 18 Subject Terms (continue on reverseIfnecessary andidentify by block number) :ield Group Subgroup Electrionc Data Interchange 19 Abstract (continueon reverseifnecessary andidentify by block number) Electronic data interchange (EDI) is the intercompany, computer-to-computer exchange of business documents in standard formats. The direct benefits of EDI consist in cost savings, operational accuracy, and speedy processing of transactions. This thesis provides guidelines to develop an EDI (Electronic Data Interchange) system. It discusses the basic concepts, standards, data mappping, hardware and software requirements, and networking requirements. Also discussed are some auditing and security issues in implementing EDI. 20 Distribution Availability ofAbstract 21 Abstract Security Classification IS unclassified,unlimited same as report DTIC Unclassified users 22a Name of Responsible Individual 22b Telephone (include Area c?2Lto Office Svmbol Mvune W. Suh (408)646-2637 54Su DD FORM 1473,84 MAR 53 APR edition may be used until exhausted security classification ofthis page All other editions are obsolete Unclassified Approved for public release; distribution is unlimited. Electronic Data Interchange by Chung, J. D. MAJOR, Korean Army B.S., Youn Sei University, Korea, 1987 Submitted in partial fulfillment ofthe requirements for the degree of MASTER OE SCIENCE IN TELECOMMUNICATIONS SYSTEMS MANAGEMENT from the NAVAL POSTGRADUATE SCHOOL March 1991 David R.Whipple, Chairman, Department ofAdministrative Sciences ABSTRACT Electronic data interchange (EDI) is the intercompany, computer-to- computer exchange of business documents in standard formats. The direct benefits of EDI consist in cost savings, operational accuracy, and speedy processing of transactions. This thesis provides guidelines to develop an EDI (Electronic Data Interchange) system. It discusses the basic concepts, standards, data mappping, hardware and software requirements, and networking requirements. Also discussed are some auditing and security issues in implementing EDI. 111 C.I TABLE OF CONTENTS INTRODUCTION I. 1 EDI DEVELOPMENT AND STANDARDS II. 4 OVERVIEW A. 4 ANSI X12 STANDARDS B. 6 1. Organization of ANSI ASC X12 6 2. Description of ANSI X12 standards 11 EDIFACT C. 17 CALS D. 20 Background 20 !. 2. What is CALS? 22 3. Relationship between EDI and CALS 24 ANALYSIS OF TRANSACTION AND DATA MAPPING III. 26 . TRANSACTION AND DATA FLOW A. 26 DATA MAPPING B. 33 The paper system 35 1. 2. Integrating with the existing database 36 3. Integrating with existing applications/processes 38 4. Developing new applications/processes based on EDI ... 39 5. Fully integrated application/EDI system development ... 41 HARDWARE AND SOFTWARE REQUIREMENTS IV. 43 HARDWARE REQUIREMENTS A. 43 IV