This document discusses how Oracle Fusion Middleware can be used with PeopleSoft applications. It outlines key design patterns including using Fusion Middleware for integration between PeopleSoft and other applications via the integration broker and SOA suite, extending the PeopleSoft user interface with ADF, and using Oracle WebCenter as an enterprise portal to consume PeopleSoft portlets and aggregate data across multiple sources. The document provides examples of how these patterns can be implemented to enhance existing PeopleSoft functionality.