Electronic Data Interchange en de toepasbaarheid hiervan in de logistiek.
Report 93.3.LT.4088, Transport Technology, Logistic Engineering.
Electronic Data Interchange (EDI) is the electronic exchange of data
between computer systems of different organizations. EDI implies the
superfluity of a lot of forms and of the input of the same data in
different systems. Introduction of EDI therefore can save costs
and improve service.
To use EDI, one needs a network and protocols. One can use public
data networks or charged networks. To enable communication over these
networks one needs protocols. Communication is possible in two ways: With
(connection oriented) or without (connectionless) a fixed connection
between both computer systems. The development of EDI protocols is based on
the Open Systems Interconnection Reference Model.
One can also use the public telephone lines or especially for this purpose
developed hired lines. In that case communication is always connection
oriented and one uses the X.21 protocol.
For the use of EDI open systems are necessary. Therefore all organizations
should use the same standards for the exchange of data. For that purpose
national (like Ediforum and SITPRONETH) and international (e.g. the
Edifact board) organizations are founded, which are engaged in bringing
about a general norm: the Edifact norm. These organizations are also
engaged in for instance the legal aspects of EDI.
Reports on Logistic Engineering (in Dutch)
, TU Delft