A.3.3 Reference Model

29.2153GPPPolicy and Charging Control (PCC) over S9 reference pointRelease 17Stage 3TS

The relationships between the different functional entities involved in the non-roaming for EPC-routed are depicted in figure A.3.3.1 and A.3.3.2.

Figure A.3.3.1: S9a reference point at the Policy and Charging Control (PCC) architecture for non-roaming case with SPR

Figure A.3.3.2: S9a reference point at the Policy and Charging Control (PCC) architecture for non-roaming case with UDR

The relationships between the different functional entities involved in the home routed access for EPC-routed traffic are depicted in figure A.3.3.3 and A.3.3.4.

Figure A.3.3.3: S9, S9a reference points at the PCC architecture for roaming with home routed access with SPR

Figure A.3.3.4: S9, S9a reference points at the PCC architecture for roaming with home routed access with UDR

The relationships between the different functional entities involved in the visited access for EPC routed traffic are depicted in figure A.3.3.5 and figure A.3.3.6.

Figure A.3.3.5: S9, S9a reference points at the PCC architecture for roaming with visited access with SPR

Figure A.3.3.6: S9, S9a reference points at the PCC architecture for roaming with visited access with UDR

The relationships between the different functional entities involved in the non-roaming for NSWO traffic are depicted in figure A.3.3.7 and A.3.3.8.

Figure A.3.3.7: S9a reference points at the PCC architecture for non-roaming with SPR

Figure A.3.3.8: S9a reference points at the PCC architecture for non-roaming with UDR

The relationships between the different functional entities involved in the roaming case for NSWO traffic are depicted in figure A.3.3.9 and A.3.3.10.

Figure A.3.3.9: S9, S9a reference points at the PCC architecture for roaming with SPR

Figure A.3.3.10: S9, S9a reference points at the PCC architecture for roaming with UDR