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Updating system specification

Electronic data interchange (EDI) is the concept of businesses communicating electronically certain information that was traditionally communicated on paper.The two classic examples of such information are purchase orders and invoices.

For example, the transmission of binary or textual data is not EDI as defined here unless the data are treated as one or more data elements of an EDI message and are not normally intended for human interpretation as part of online data processing.

Like many other early information technologies, EDI was inspired by developments in military logistics.

The complexity of the 1948 Berlin airlift required the development of concepts and methods to exchange, sometimes over a 300 baud teletype modem, vast quantities of data and information about transported goods.

These initial concepts later shaped the first TDCC (Transportation Data Coordinating Committee) standards in the US.

Among the first integrated systems using EDI were Freight Control Systems.

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