The re-implementation design strategy needs to consider not just the API service endpoint itself, but also the backend service implementation. The architects may decide to completely redesign certain services, in which case, they may consider adopting modern architecture philosophies such as those proposed by the OMESA project and advocated by this book. The OMESA project defines a complete reference architecture for API implementations.
More details can be found at http://omesa.io.
Where there was previously a reliance on OAG 11g to perform protocol conversion, heavy-weight transformation, or business rules, the recommendation would be to redesign these interfaces from scratch, moving the heavy lifting logic to separate ...
