In the SAP system IDocs are stored in the database tables. In an Inbound ALE an IDOC serves as an input to create application document. An IDOC is created as a result of execution of an Outbound ALE. IDocs act like a container or envelope for the application data. The messages that are exchanged are in the form of IDocs or Intermediate Documents. ALE can be used for migration and maintenance of master data as well as for exchanging transactional data. It supports fail-safe delivery which implies that sender system does not have to worry about message not reaching the source due to unavoidable situations. Thus it helps integration of distributed systems. Business data will be picked up from custom data dictionary tables.ĪLE – Application Link Enabling is a mechanism by which SAP systems communicate with each other and with non-SAP EDI subsystems. We will create a custom IDoc in one SAP system and then post some business data through it to another SAP system. This article will help you understand the basics of ALE and IDocs via a simple do-it-yourself example.
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