Using internal EDI
The transfer of internal EDI messages is similar to the external EDI situation except for the translation requirements and communication requirements. Internal EDI is also referred to as multicompany EDI.
In multicompany EDI implementations, the ASCII files are usually transferred over an internal company network (LAN or WAN), which means that you do not need to encrypt files. Also, because all companies in the multicompany structure use the same format for the ASCII files, you do not need to translate the files to a different external EDI standard.