The Informatica domain is the primary unit for management and administration within PowerCenter. The Service Manager runs on an Informatica domain. The Service Manager supports the domain and the application services. Application services represent server-based functionality. The domain supports PowerCenter and Informatica application services. PowerCenter application services include the PowerCenter Repository Service, PowerCenter Integration Service, Web Services Hub, and SAP BW Service. Informatica Services include the Data Integration Service, Model Repository Service, and the Analyst Service.