F.5 PCRF Addressing

29.2133GPPPolicy and charging control signalling flows and Quality of Service (QoS) parameter mappingRelease 17TS

F.5.1 General

PCRF discovery and selection shall be done according to clause 7.1 with the modifications or exceptions described in this subclause.

– Gxx reference point is not used.

– The Subscriber Identifier specified in 3GPP TS 23.203 [2] clause S.5.1.2 is used as user identity.

– For a 3GPP UE, the NSWO-APN is also available.

– The IPv6 address within the Framed-IPv6-Prefix may be included in the CCR command in the case of bridge-mode RG.

F.5.2 DRA Definition

The DRA definition in clause 7.2 applies with the modifications or exceptions as described in Annex F.5.1.

F.5.3 DRA Procedure

F.5.3.1 Redirect DRA

Redirect DRA is specified in clause 7.3.4 with the adaptions listed in F.5.1.

F.5.3.2 Proxy DRA

Proxy DRA is specified in clause 7.3.5 with the adaptions listed in F.5.1.

F.5.3.3 PCRF selection by AF and TDF in unsolicited application reporting mode

PCRF selection by the AF shall be done according to clause 7.3.7 with the modifications or exceptions as described in Annex F.5.1. PCRF selection by the TDF shall be done according to clause 7.3.9 with the modifications or exceptions as described in Annex F.5.1.

F.5.3.4 PCRF selection in a roaming scenario

The procedures as described in clause 7.3.8 for the V-PCRF to select the H-PCRF apply with the modifications or exceptions as described in Annex F.5.1.

F.5.4 DRA flows

The DRA procedures specified in clause 7.4.1 and 7.4.2 apply to the Fixed Broadband Access network convergence with the following exceptions or restrictions:

– Gxx reference point is not used.

– Roaming scenarios are not applicable to fixed devices and RGs.

Annex G (normative):
Diameter overload control mechanism