Understanding This Scenario
In this scenario a PeopleSoft Human Resources system is integrating with a PeopleSoft Customer Relationship Management system on PeopleTools. Both systems are on the same PeopleTools release.
This diagram illustrates a PeopleSoft Human Resources (HR) system communicating with a PeopleSoft Customer Relationship Management (CRM) system and shows the configuration and interaction of PeopleSoft Integration Broker components

This communication can be synchronous or asynchronous.