Hi XI Gurus.. I need advice in modelling a BPM.
We have a scenario
1.) ECC sends Async request to PI ( there are three actions Create, update and Modify we are using webservices)
2.) PI makes Sync call to External system( We are using webservices).
3.) PI updates the response from External System to ECC .(Async call)
An order request comes to PI from ECC (lets say Create order), at that point of time if the external system is down, PI has to retry the message. (This can be done using a blocks exception handler in BPM) . If a Modify request comes for the same order number then BPM should not send it unless the Create request for that order is not successful. Meanwhile if a new order comes in then BPM has to process it. I guess this is not exactly a EOIO scenario, may be correlation......... Inputs will be appreciated. !!!
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