Url Blacklisting Solution Components - Cisco ASR 5000 series Product Overview

▀ URL Blacklisting Support
Figure 173. High-Level Architecture of URL Blacklisting with ECS
MS / SS

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
Web Element Manager (WEM)
▄ Cisco ASR 5000 Series Product Overview
URL Blacklisting System
Session Controller Task
OPTBLDB
In- memory BLDB
( In Session Manager )
Session Manager
Task ( DPI )
OPTBLDB
Files
Blacklist Source
Database
Load/
Update
WEM Server
BL OPTBLDB
Database Update
SFTP
Content Filtering Support Overview
BL File
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