wat is the difference between ALE & EDI?

Answer Posted / dhanu

The philosophical difference between EDI and ALE can be
pinned as follows: If we send data to an external partner,
we generally speak of EDI, while ALE is a mechanism to
reliable replicate data between trusting systems to store a
redundant copy of the IDoc data. The difference is made
clear, when we think of a purchase order that is sent as an
IDoc. If we send the purchase order to a supplier then the
supplier will store the purchase order as a sales order.
However, if we send the purchase order via ALE to another
R/3 system, then the receiving system will store the
purchase order also as a purchase order.

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