Cisco Cisco Packet Data Interworking Function (PDIF) Documentation Roadmaps
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Serving Gateway Overview
▀ Network Deployment(s)
▄ Cisco ASR 5000 Series Product Overview
OL-22938-01
Network Deployment(s)
This section describes the supported interfaces and the deployment scenarios of a Serving Gateway.
Serving Gateway in the E-UTRAN/EPC Network
The following figure displays a simplified network view of the S-GW and how it interconnects with other 3GPP
Evolved-UTRAN/Evolved Packet Core network devices.
Evolved-UTRAN/Evolved Packet Core network devices.
Figure 154. S-GW in the E-UTRAN/EPC Network
Internet
SGi
E-UTRAN
EPC
S1-U
S5/S8
S11
Gx
Gxc
S1-MME
eNodeB
S6a
MME
PCRF
3GPP
AAA
S6b
SWx
HSS
Signaling Interface
Bearer Interface
OFCS
P-GW
OCS
Gy
S-GW
S2b
S2c
Enterprise
Trusted/Untristed
Non-3GPP Devices
Rf / Gz