Serving GPRS Support Node (SGSN) Overview
Network Deployments and Interfaces ▀
Cisco ASR 5000 Series Product Overview ▄
OL-22938-02
Figure 161.
Dual Access 2.5G/3G SGSNs
IP-based GPR/UMTS Public Land Mobile Network (PLMN)
UTRAN
Node-B
RNC
BTS
PCU
BSC
BSS
A-bis
UE
UE
Gb
Gp
IuPS
Gs
SGSN
Gn
Gr
Gn
GGSN
PDN
Gi
Gf
Ga
Gd
2.5G
&/or
3G
SGSN
UDP
GGSN
in different
PLMN
SGSN/GGSN Deployments
The co-location of the SGSN and the GGSN in the same chassis facilitates handover. Again, it can be any type of
SGSN, 2.5G or 3G, with the GGSN.
Summary of Contents for ASR 5000 Series
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