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7/30/2019 Ale Class II
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ALE Technology andComponents
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Outbound Process
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Components of Out Bound Process
Outbound Process
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Components of Out Bound Process
Distribution Model
Message Control
Change Pointers
IDOC Structure
Selection Programs
Filter Objects
Port Definition
RFC Destination
Partner Profile
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Distribution Model
Used to model a distribution scenario.
Used to identify the systems involved in the
distribution scenario.Used to identify the messages exchanged
between the systems
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Message Control
Cross Application technology used for output
determination.
Triggers the ALE and EDI output for a businessdocument.
Separates the logic of generating IDOCS from
application logic
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Change Pointers
Tracks the changes made to key documents in
SAP.
Another way of distributing data through ALE
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IDOC Structure
Major components in exchange of data.
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Selection Programs
Implemented as function modules.
Designed to extract application data and create
master IDOCS.One selection program exists for each message type.
Selection programs design depends on the
triggering mechanism used in the process.
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Filter Objects
Remove unwanted data for each recipient of data.
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Port Definition
Used to define the medium in which documents
are transferred to the destination system.
ALE uses a tRFC port which transfers the data in
memory buffers.
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RFC Destination
Logical name to define the characteristics of a
communication link to a remote system on which a
function needs to be executed.
In ALE , the RFC Destination specifies the
information required to log on to the remote SAP
system to which an IDOC is sent.
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Partner Profile
Specifies the components used in the outbound
process.
A partner profile is created for each SAP systemwith which we communicate.
Partner profile consists of information like IDOC
Type, Message Type, tRFC port etc.
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Process Flow for ALE Outbound Process
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Selection
Screen Build IDOC Data
Selection ProgramApplication
Repository
Master
IDOC
Conversion Filtering
ALE
Distribution
Model
Communication
IDOCS
ARFCDATA RSARFCSE
Application Layer
ALE Service Layer
Communication Layer
OUTBOUND
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Direct Input / Call Transaction
Application
Repository
Conversion Filtering
Application Layer
ALE Service Layer
Communication Layer
Communication IDOC
from the remote system
Application
IDOCs
Posting Program
INBOUND
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Components of Inbound Process
Outbound Process
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Components of In Bound Process
Posting Programs
Partner Profile
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Posting Programs
Implemented as Function modules
Read data from and IDOC and create an
application document.One posting Program exists for each message
type.
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Next Class :
Configuring ALEInterface