HRPD Serving Gateway Overview
â–€ Network Deployment(s)
â–„ Cisco ASR 5000 Series Product Overview
Figure 104. HSGW in an eHRPD Network Architecture
Internet
Enterprise
eAN/ePCF
A10/A11
SGi
eHRPD
S2a
Gxa
STa
E-UTRAN
EPC
S-GW
S1-U
S5/S8
S11
Gx
Gxc
S1-MME
eNodeB
S6a
MME
PCRF
3GPP
AAA
S6b
SWx
HSS
Signaling Interface
Bearer Interface
OFCS
Rf
Rf
S101
S103
P-GW
OCS
Gy
HSGW
Supported Logical Network Interfaces (Reference Points)
The HSGW supports many of the standards-based logical network interfaces or reference points. The graphic below and
following text define the supported interfaces. Basic protocol stacks are also included.