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Basics about SAP PI 7.11
Today’s Topics:
Basic Architecture of PI System
Message flow in PI System
Pipeline Steps in Message Processing
Basic Architecture of PI System
Adapters in PI System
What is an adapter?
Why an adapter is required?
Message flow
Different type of Pipelines
SENDER – Present in Sender System
RECEIVER – Present in Receiver System
BACK – Used for Acknowledgements
WS_SENDER – Web Service Sender
WS_RECEIVER – Web Service Receiver
CENTRAL – Central Pipeline for Integration Server
Pipeline Steps in IS
Pipeline Steps in IS (Cont.…)
XML Validation :
Used to validate the payload of a message with the structure defined in ESR.
Logical Routing, Message Split and Mapping:
Combination of Receiver Determination and Interface determination.
If more than one receiver or interface is identified, message split happens in case of asynchronous messages and message fails in case of synchronous messages.
Message ID of parent message is stored for traceability.
Corresponding mapping is also performed in the Interface determination step.
Technical Routing and Call Adapter:
Defines how receiver message is to be sent.
Communication channel is referenced by receiver agreement and message is sent using corresponding adapter
