Figure 19 shows the SRC software in the ETSI-TISPAN architecture.
Figure 19: SRC Software in the ETSI-TISPAN Architecture
The SAE provides the A-RACF functionality, and the SRC software provides a northbound Rq interface from the A-RACS to the SPDF. This interface is equivalent to the Rq interface defined in the ETSI-TISPAN release 1 architecture. It is a DIAMETER protocol–based interface that allows the SRC software to integrate with services found on the application layer of IMS.
The SRC software uses its COPS and BEEP interfaces as the Re interface to Juniper Networks routers.
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