Are there technical prerequisites (other SAP products, NetWeaver) to use the Enterprise Services Repository and Registry?
The Enterprise Services Repository and Registry is a server-based application and is closely integrated with the SAP Java Web Application Server (Web AS Java). Today, it is delivered as part of SAP NetWeaver Process Integration and SAP NetWeaver Composition Environment, which include all the technical prerequisites required by the Enterprise Services Repository (including the Java Application Server).
Enterprise Services Repository has a Swing-based UI that uses Java Web start. Therefore you require support to run Java applications in the client system to start the UI.
What types of metadata does ES Repository store?
Enterprise Services Repository supports the following artifacts:
In addition to the artifacts that you can model within the Enterprise Services Repository, you can also maintain other artifacts such as XSD, WSDLs, and RFCs as External Definitions.