1. Inter-organizational Information System B to B Commerce and Electronic Data Interchange Sup de Co - PCM - English Track 2008

4. Company « A » : customer Company « B » : accounting firm Fax, mail, E-mail Accounting data 1 2 3 4 Organisation « C1 » : Tax authorities Sales tax return message 1 2 3 4 Fax, mail, E-mail Company « C2 » Company « D3 » Company « D4 » … …. ….. Inter-organizational exchange E.D.I. Classical Exchange : Re-entry, terms, errors, costs

5. E.D.I. : Electronic Data Interchange Company « A » Company « B » In an interchange agreement, the communication will be made via a V.A.N. Fax , mail , telex ... Customer order 1 2 3 4 1 2 3 4 Classical Exchange : Re-entry, terms, errors, costs Company « A » Company « B » Inter-organizational exchange E.D.I.

7. Company« C » Company« D » Company « A » Company « B » Links via a V.A.N. Added Value Network A B C E F X D full-EDI full-EDI full-EDI EDI « workstation Inter-organizational exchange E.D.I.

8. EDI Message Company « A » : customer Company « B » : accounting firm Company « C » occasional supplier A B V.A.N. server Full- EDI - Delayed batch processing EDI workstation - Form (to retype in) EDI and Internet - BATCH processing in XML format (has value of proof if certified) - Type in form on Web (has no value of proof ) Inter-organizational exchange E.D.I.