iPaaS is the category where the native option carries the least lock-in penalty and the most genuine advantage. Oracle Integration Cloud ships pre-built adapters for Fusion applications, understands Oracle's security model and is supported by Oracle end to end. If Oracle is the gravitational centre of your estate, that is a strong starting position.
The counter-argument is rarely about Oracle at all. Organisations choose independent platforms because integration is an enterprise-wide concern that outlives any single ERP, because they already run one for other systems, or because their team's skills sit with a particular vendor. Buying a second iPaaS to serve one application is the mistake to avoid — this is a category where consolidation usually beats best-of-breed.
Where does Oracle Integration Cloud fit?
Oracle Integration Cloud provides pre-built adapters for Fusion applications, E-Business Suite and a wide range of third-party SaaS, plus process automation, visual mapping and monitoring — with the practical benefit that Oracle supports both ends when something breaks. It is the sensible default when Oracle is your dominant platform and integration demand centres on it. Independent iPaaS wins on estate-wide strategy: connector breadth across systems Oracle has no interest in, avoiding dependence on one vendor's platform for enterprise plumbing, and leveraging skills and licences you already hold.