Cisco SCE 1000 2xGBE User's Guide download pdf (Page 214)

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Chapter 8 Managing Subscribers

Subscriber Overview

SCE 1000 2xGBE Release 2.0.10 User Guide

8-2 OL-7117-02

Table 8-1 Subscriber Examples

The Subscriber Subscriber Characteristics

Managed Entity Subscriber (Entity) Identified By

DSL residential subscriber DSL residential user IP address

The list of IP addresses is allocated by a

Radius server

Cable residential subscriber Cable residential user IP address

The list of IP addresses of the CPEs is

allocated dynamically by a DHCP server

Owner of a 3G-phone that is

subscribed to data services

3G-phone owner The MS-ISDN, which is dynamically

allocated by a Radius server.

A corporate/enterprise

customer of the service

provider

The corporate/enterprise

and the traffic it

produces

The set of NAT-ed IP addresses, which are

allocated statically

A CMTS The CMTS and the

broadband traffic of the

Cable Modem users that

connect to the Internet

through the CMTS

• A range of IP addresses

• A group of VLAN tags

Mapping IP traffic flows to subscribers enables the SCE Platform to enforce policies on these

flows based on the subscriber who produced them.

The SCE Platform can also insert the information that identifies the subscriber into the RDR

records that it produces for analyzed traffic, facilitating OSS systems that use these data records

for billing and analysis purposes.

The SCE Platform includes dedicated infrastructure for per-subscriber BW shaping, IP traffic

quota management, or any other per-subscriber long-term state management. This is implemented

using a set of dedicated data structures that are dynamically managed in the SCE Platform per

subscriber.

The SCE Platform examines each IP flow and maps it to the subscriber that produced the flow

using one or more networking parameters of this flow. Examples of these could be:

• Source IP address

• Group of source IP addresses

• Range of source IP addresses

• VLAN tag

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