Roles for Interfaces with Web Dynpro ABAP

You use the following roles if you use Web Dynpro ABAP as the interface technology. Note that for a separated system (front-end and backend on different servers) you require roles for the backend system and for the front-end system.

The following roles relevant for the backend system are provided in the standard system:

Unregistered Candidate (Server)
External Candidate (Server)
Internal Candidate (Server)

In the standard system, SAP provides the following roles relevant for the front-end system:

Unregistered Candidate (Client)
External Candidate (Client)
Internal Candidate (Client)