Cisco ASR 5000 series Product Overview page 18

▀ Contents
NPU FastPath .................................................................................................................................................. 677
Operator Policy ............................................................................................................................................... 679
What an Operator Policy Can Do ............................................................................................................... 679
How the Operator Policies Work ................................................................................................................ 679
Some Configurable Features for Operator Policies .................................................................................... 680
Default APN .................................................................................................................................................... 681
VLR Pooling via the Gs Interface ................................................................................................................... 681
HSPA Fallback ................................................................................................................................................ 682
Local QoS Capping ......................................................................................................................................... 682
Tracking Usage of GEA Encryption Algorithms ............................................................................................ 682
Features and Functionality - Enhanced and Licensed .......................................................................................... 683
Direct Tunnel ................................................................................................................................................... 683
Lawful Intercept .............................................................................................................................................. 684
How LI Works ............................................................................................................................................ 685
QoS Traffic Policing per Subscriber ............................................................................................................... 685
QoS Classes ................................................................................................................................................ 685
QoS Negotiation ......................................................................................................................................... 685
DSCP Marking ........................................................................................................................................... 686
Traffic Policing ........................................................................................................................................... 686
Session Recovery ............................................................................................................................................ 687
SGSN Pooling and Iu-Flex / Gb-Flex.............................................................................................................. 688
Short Message Service (SMS over Gd) ........................................................................................................... 688
How the SGSN Works ......................................................................................................................................... 690
First-Time GPRS Attach ................................................................................................................................. 690
PDP Context Activation Procedures ............................................................................................................... 692
Network-Initiated PDP Context Activation Process ........................................................................................ 694
MS-Initiated Detach Procedure ....................................................................................................................... 695
Supported Standards............................................................................................................................................. 697
IETF Requests for Comments (RFCs)............................................................................................................. 697
3GPP Standards ............................................................................................................................................... 697
ITU Standards ................................................................................................................................................. 699
Object Management Group (OMG) Standards ................................................................................................ 699
Content Filtering Support Overview ............................................................. 701
Introduction .......................................................................................................................................................... 702
Supported Platforms and Products ....................................................................................................................... 703
Licenses ................................................................................................................................................................ 704
URL Blacklisting ............................................................................................................................................. 704
Category-based Content Filtering .................................................................................................................... 704
URL Blacklisting Support .................................................................................................................................... 705
URL Blacklisting Solution Components ......................................................................................................... 706
Web Element Manager (WEM) .................................................................................................................. 707
How URL Blacklisting Works ........................................................................................................................ 707
Blacklist Updates ........................................................................................................................................ 707
URL Blacklisting Action ............................................................................................................................ 708
Category-based Content Filtering Support ........................................................................................................... 709
Benefits of Category-based Content Filtering ................................................................................................. 709
ECS and Content Filtering Application ........................................................................................................... 710
Components of Category-based Content Filtering Solution ............................................................................ 711
Category-based Content Filtering Subsystem ................................................................................................. 712
Static Rating Categorization Database (SRDB) ......................................................................................... 713
Rater Package Model Files ......................................................................................................................... 713
Content Rating Rules Update Server ............................................................................................................... 713
Master Content Rating Database Server (MCRDBS)...................................................................................... 714
ECS Storage System ........................................................................................................................................ 714
RADIUS Server and Policy Manager .............................................................................................................. 714
▄ Cisco ASR 5000 Series Product Overview
OL-22938-02