A.2 Definitions and abbreviations

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

A.2.1 Definitions

UE local IP address is defined as: either the public IPv4 address and/or IPv6 address/IPv6 network prefix assigned to the UE by the BBF domain in the no-NAT case, or the public IPv4 address assigned by the BBF domain to the NATed RG that is used for this UE.

H(e)NB local IP address is defined as: either the public IPv4 address and/or IPv6 address/IPv6 network prefix assigned to the H(e)NB by the BBF domain in the no-NAT case, or the public IPv4 address assigned by the BBF domain to the NATed RG that is used for this H(e)NB.

Non-seamless WLAN offload (NSWO) is defined as: a capability of routing specific IP flows over the WLAN access without traversing the EPC as defined in clause 4.1.5 of 3GPP TS 23.402 [18].

Non-seamless WLAN offload APN (NSWO-APN) is defined as: an APN allowing the BPCF to indicate to PCRF that for subscribers of a certain HPLMN the IP-CAN session is related to NSWO traffic.

EPC-routed traffic is defined as: User plane traffic that is routed via a PDN GW in EPC as part of a PDN Connection. EPC-routed traffic applies to non-roaming, roaming with home routed and roaming with visited access cases.

A.2.2 Abbreviations

The following abbreviations are relevant for this annex only:

BBF Broadband Forum

BPCF Broadband Policy Control Function

NA(P)T Network Address (Port) Translation

NSWO Non-Seamless WLAN offload

NSWO-APN Non-Seamless WLAN offload APN

RG Residential Gateway