Future Metropolitan Networks

OC12-622Mb/s

OC3-155 Mb/s

5km -25km

ADSL, HDSL

UTP 2-7 Mb/s

City-Wide

MAN

Subdivision

Street-Wide

LAN

A

TM

Access Service Node

Access Carrier Node

Gateway Access

Network consists of intelligent distributed

PC-nodes interconnected with fiber at

OC3 and OC12 rates

Three basic services:

DRAM, Disk, and PC service

RLU

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