Serving GPRS Support Node (SGSN) Overview
▀ Features and Functionality - Basic
▄ Cisco ASR 5000 Series Product Overview
Features and Functionality - Basic
The 2.5G and 3G SGSNs support a broad range of features and functionality - all fully compliant with 3GPP standards.
The following is a list of some of the basic features supported by the SGSN:
All-IP Network (AIPN)
SS7 Support
PDP Context Support
Mobility Management
Location Management
Multiple PLMN Support
IntraInter SGSN Serving Radio Network Subsystem (RNS) Relocation (3G only)
Equivalent PLMN
Network Sharing
Session Management
Charging
Overcharging Protection
NPU FastPath
Operator Policy
Default APN
VLR Pooling via the Gs Interface
HSPA Fallback
Local QoS Capping
Tracking Usage of GEA Encryption Algorithms
All-IP Network (AIPN)
AIPN provides enhanced performance, future-proof scaling and reduction of inter-connectivity complexity.
In accordance with 3GPP, the SGSN provides IP-based transport on all RAN and core network interfaces, in addition to
the standard IP-based interfaces (Ga, Gn, Gp, Iu-Data). The all-IP functionality is key to facilitating Iu and Gb Flex
(SGSN pooling) functionality as well as evolution to the next generation technology requirements.
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