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Telefocus’05

SDH / CWDM / DWDM CORE

SDH Network

STM 1/4/16

    Aggregation

Ring (CWDM/DWDM)

2 Fiber SM G.652

DSLAM traffic going to the core through Metro Ethernet

xDSL

Metro Transport and Aggregation Network

Inter-City Backbone Network

Ethernet UNI

Ethernet UNI

Internet

MPLS

BBRAS

Internet

Access Router

Internet

Gateway Router

GigE

GigE

GigE

Backbone

SDH

STM1/STM4 on Sonet

ATM

STM1/STM4

on ATM

Core Switch

Voice Services Server

Internet Data Services Server

TV/Video Services Servers

DNS

DHCP

AAA

Aggregation Node

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