There are several benefits of leveraging Oracle WebCenter Framework (WebCenter Services or WebCenter Suite) with Oracle ADF.
While it is true that WebCenter Framework uses ADF, WebCenter brings several additional capabilities that are extremely important for Application Customers.
1. Web 2.0 Services: More and more application customers are asking for services like Wiki, Discussions, Internet Messaging, VOIP, etc to be surfaced in context with the task that they are performing.
2. One of the reason application customers prefer WebCenter is its capability to re-use existing user interfaces and interlace them with new ADF task flows and Web 2.0 services to create a composite application user interface. WebCenter allows reuse of existing application UI from Oracle eBusiness Suite, PeopleSoft, JD Edwards, Siebel as well as our Oracle Business Intelligence Enterprise Edition dashboards. Leveraging Portlet standards and Mashup tools like Ensembl