Cisco ASR 5000 series Product Overview page 17

Layer 2 Traffic Management (VLANs) ........................................................................................................... 645
How the Serving Gateway Works ........................................................................................................................ 646
GTP Serving Gateway Call/Session Procedures in an LTE-SAE Network ..................................................... 646
Subscriber-initiated Attach (initial) ............................................................................................................ 646
Subscriber-initiated Detach ......................................................................................................................... 649
Supported Standards ............................................................................................................................................. 651
3GPP References ............................................................................................................................................. 651
3GPP2 References ........................................................................................................................................... 652
IETF References .............................................................................................................................................. 652
Object Management Group (OMG) Standards ................................................................................................ 653
Serving GPRS Support Node (SGSN) Overview .......................................... 655
Product Description .............................................................................................................................................. 656
Product Specifications .......................................................................................................................................... 657
Licenses ........................................................................................................................................................... 657
Hardware Requirements .................................................................................................................................. 657
Platforms ..................................................................................................................................................... 657
ASR 5000 System Hardware Components ................................................................................................. 657
Operating System Requirements ..................................................................................................................... 658
System Configuration Options ........................................................................................................................ 658
Benefits of Co-Located GSNs..................................................................................................................... 659
Network Deployments and Interfaces .................................................................................................................. 660
SGSN and Dual Access SGSN Deployments .................................................................................................. 660
SGSN/GGSN Deployments ............................................................................................................................. 661
SGSN Logical Network Interfaces .................................................................................................................. 662
Features and Functionality - Basic ....................................................................................................................... 666
All-IP Network (AIPN) ................................................................................................................................... 666
SS7 Support ..................................................................................................................................................... 667
PDP Context Support ....................................................................................................................................... 667
Mobility Management ..................................................................................................................................... 668
GPRS Attach ............................................................................................................................................... 668
GPRS Detach .............................................................................................................................................. 668
Paging ......................................................................................................................................................... 669
Service Request ........................................................................................................................................... 669
Authentication ............................................................................................................................................. 669
P-TMSI Reallocation .................................................................................................................................. 669
Identity Request .......................................................................................................................................... 670
Location Management ..................................................................................................................................... 670
Multiple PLMN Support .................................................................................................................................. 670
Intra/Inter SGSN Serving Radio Network Subsystem (RNS) Relocation (3G only) ....................................... 671
Equivalent PLMN ............................................................................................................................................ 671
Network Sharing .............................................................................................................................................. 671
Benefits of Network Sharing ...................................................................................................................... 671
GWCN Configuration ................................................................................................................................. 672
MOCN Configuration ................................................................................................................................. 672
Implementation ........................................................................................................................................... 673
Session Management ....................................................................................................................................... 674
PDP Context Activation .............................................................................................................................. 674
PDP Context Modification .......................................................................................................................... 674
PDP Context Deactivation .......................................................................................................................... 674
PDP Context Preservation ........................................................................................................................... 675
Charging .......................................................................................................................................................... 675
SGSN Call Detail Records (S-CDRs) ......................................................................................................... 675
Mobility Call Detail Records (M-CDRs) .................................................................................................... 675
Short Message Service CDRs ..................................................................................................................... 676
Overcharging Protection .................................................................................................................................. 676
OL-22938-02
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