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Answer Posted / gurappa
Hai,
ALE is technology for SAP mainly use to transfer data
between SAP systems.
EDI is the independent technology use to transfer data
between two systems, they can be SAP
systems or non SAP systems.
The basic difference with ALE and EDI is ALE used for
internal communications and EDI is meant for
external communications.
Since ALE uses an IDOC format to exchange data between
systems, both participating systems should
understand the IDOC format.
In other words ALE normally used to distribute the master
data (Ex: Material Master, Vendor Master)
with in a company when you are maintain the distributed
environment.
For example data transfer between a SAP R/3 and SAP APO
where the data transfer is implemented
using ALE technology.
EDI is for exchanging transaction data (Purchase order,
Delivery) between two different business
partners.EDI is all about the standards (Ex: ANSI X12,
EDIFACT) you have to follow when you are
transferring business documents.
Technically speaking, ALE transfers the data using memory
buffers whereas EDI uses file port to
transfer the data.
With EDI technology you always need a translator to convert
the IDOC to X12 (Outbound), X12 to
IDOC (Inbound).But with ALE you don’t need a translator.
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