Comparison of 3GPP2 SBBC and 3GPP PCC Stage 2 Specifications

3GPP2 SBBC Architecture (X.S0013-012-B)

Application Function (AF)(e.g., P-CSCF)

Policy & Charging Rules Function (PCRF)

Charging Rules Function(CRF)

Policy Decision Point(PDP)

Access Gateway (AGW)

Traffic Plane Function(TPF)

Policy Enforcement Point(PEP)

Tx

Ty

3GPP PCC Release 7 Architecture(TS 23.203 v7.5.0)

GW

Online Charging System (OCS)

Service Data Flow

Based Credit Control

Policy and Charging

Rules Function (PCRF)

CAMEL SCP

Gy

Rx

AF

Gz

Gx

Subscription Profile

Repository (SPR)

Sp

Offline Charging System (OFCS)

PCEF

3GPP PCC Release 8 Architecture(TS 23.402 v8.0.0)

SGi

PCRF

S7

HSS

S2b

Wn*

Operator's IP Services

(e.g. IMS, PSS etc.)

Wm*

Wx*

Untrusted Non-3GPP IP

Access Wa*

HPLMN

Non-3GPP Networks

S6c

Rx+

PDN Gateway

ePDG 3GPP AAA Server

S7b

S2a

S7a

Trusted Non-3GPP IP

Access Ta*

S7c

S5

S6a

3GPP Access

Serving Gateway

UE

Wu*