Cisco Cisco Packet Data Interworking Function (PDIF) Documentation Roadmaps
Content Filtering Support Overview
▀ URL Blacklisting Support
▄ Cisco ASR 5000 Series Product Overview
OL-22937-01
Figure 190. High-Level Architecture of URL Blacklisting with ACS
URL Blacklisting System
In-memory BLDB
(In Session Manager)
Session Manager
Task (DPI)
OPTBLDB
Files
Session Controller Task
Database
Load/Update
OPTBLDB
BL OPTBLDB
Database Update
WEM Server
CF-CDP Server
CORBA/SFTP
MS/SS
BL OPTBLDB
Database
Update
SFTP
Blacklist Source
BL File
URL Blacklisting Solution Components
The URL Blacklisting solution uses the deep-packet inspection capabilities of ECS for URL/URI extraction.
ECS functionality is managed by the following components:
Session Controller (SessCtrl): The SessCtrl runs on the primary SPC/SMC and is responsible for managing
ECS and URL Blacklisting services.
Session Manager (SessMgr): A single SessMgr treats ECS charging and URL Blacklisting that is applicable to
common subscriber sessions.
Apart from ECS, the URL Blacklisting solution uses the following components:
Content Filtering Subsystem in ECS