Designing orchestration
Orchestration is the process of combining BPEL services. Defining the style of interaction with the client is the first step of designing a BPEL service. Always consider using the Scope activity to group a set of activities and manage the BPEL variables' scope. Define the XML schemas (XSD) for the message structure after deciding the client interaction style.
As shown in the following figure, the Partner Link on the left-hand size contains the service interface (WSDL) to communicate with client applications or other components. The client applications can use the WSDL to invoke the BPEL service.
The Partner Link contains the service interface (WSDL) for BPEL services to invoke other external services:
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