E business edi_basics


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E business edi_basics

  1. 1. EDIElectronic Data Interchange
  2. 2. Agenda• Earlier Data Transfer Systems (non electronic)• Disadvantages• What is EDI• EDI History• EDI Benefits
  3. 3. Earlier Data Transfer System• Physical document transfer – Person – Use of Animals – Road / Sea – Air (Fed-Ex) – Fax• Use of signals – Teletext
  4. 4. Disadvantages of earlier systems• Time / Duration• Global reach• Human error• Duplication• Efficiency• Cost
  5. 5. What is EDI• Electronic Data Exchange is the transmission of data / documents by electronic means.• Paper-based documents are replaced by electronic data which is transmitted by a number of means.• This enables the efficient capture of data into electronic form, the processing and retention of data, controlled access to it, and efficient and reliable data transmission between remote sites.
  6. 6. EDI Definition• The transfer of structured data, by agreed message standards, from one computer system to another by electronic means• Structured Data• Agreed message standards• From one machine to other machine• By electronic means
  7. 7. EDI Diagram
  8. 8. EDI Architecture Digital Signature and Encryption EDI Checks EDI EDIApplica Software Communi Communic Software Applica tion & cation ation & tion Standards Protocol Standards SystemSystem Checks Acknowledgement Acknowledgment
  9. 9. EDI - History• 1960 – Business orders and shipping data used to be transmitted over networks• This was restricted to Transport Industry• Data transfer between businesses who were on the same network• Transportation Data Coordinating Committee was formed (TDCC) to regulate the activity• American National Standard Institute (ANSI) formed the Rules called X12
  10. 10. EDI History• UK Customs and Excise dept. In collaboration with British Simplification of Trade Procedures board (SITPRO) published documentation called Tradecoms.• Tradecoms were extended by United Nations Economic Commission for Europe called (UNECE) into General Purpose Trade Data Interchange Standards (GTDI)
  11. 11. EDI History• So there were 2 standards ANSI & GTDI• To resolve this problem UN-JEDI developed new standard called – Electronic Data Interchange for Administration, Commerce & Transport (EDIFACT)• Now other industries started coming into picture like Automobile industry• So work started on defining standards for various industries
  12. 12. EDIFACT Standards• EDIFACT – CEFIC – Chemical – EANCOM – Retail – EDIBDB – Construction – EDIFICE – High Tech Industry – EDIFURN – Furniture – EDIGAS – Gas – EDILEKTRO - Electro – EDILIBE – Books – EDITEC - Sanitary – EDITEX – Fashion – EDIFOR/EDITRANS - Transports & Logistics – EDIWHEEL - Wheels & Tyres – ETIS - Telecommunication
  13. 13. EDI - Protocols• HTTP(S)• C1OnRamp (based on HTTP)• POP3/SMTP• FTP/FTP-S (SSL) /S-FTP (SSH)• OFTP / OFTP2• SOAP• WebDAV• X.400• HTTP• EDIINT AS1 (extension to mail transport)• EDIINT AS2 (based on HTTP transport• EDIINT AS3 (based on FTP transport)
  14. 14. EDI - History• Fixed-length formats – EURITMO• Separator formats – CSV
  15. 15. Case Study• Your Admission Process and document flow 15
  16. 16. If you are Interested …• Why XML• What is XHTML, WSDL, WAP & WML, RSS, SMIL• What is BACS• SWIFT Messaging• What is STP