© 2001

Full duplex high-speed (100Mbps or more) end-to-end connectivity for large-scale deployment

Requires Cheap Hardware

AT&T Labs Low Cost Edge Node

• New high speed Access Network needed

• Cost dominated by switches and fibre installation

• Fixed Wireless Access is an alternative

An Integrated Wired and Wireless System

Ethernet Virtual Circuits

Home Appliances

• The Network Interface Unit connects all data services from the external Access Network to the home EVC network

• Streaming media, telephony and Internet access• Multiple media streams need high throughput, QoS and accurate

playback synchronisation• Appliances should be plug & play - not sysadmin• Privacy and Security issues are important

BroadbandAppliances

EVCswitch

NIU

AccessNetwork

Wide-AreaTelecommunications

NetworkVirtualCircuits

FixedWirelessAccess

Fibreto

Home

CommercialServer

Prototype EVC switch

• Ethernet - cheap, simple, good mobility support

• Home systems will need Quality of Service (QoS)

• EVC unifies ATM and ethernet allowing multiple QoS priorities

• EVC is compatible with normal ethernet

Consumer Broadband