ADSL RouterPrestige 641

ZyCAMP 6/8/1999

Agenda

• What is ADSL

• Applications

• Reference Model

• ADSL Network Infrastructure

• Framing and Encapsulation

• Live Demo (Video On Demand)

What is ADSL?

• Rate Adaptation And The Copper Infrastructure

• Security

• Always on

• Asymmetry

Application

• Video on demand• Video conference• Broadcast TV

• Distance learning• Internet Access• LAN Access• Home Shopping

Simultaneous Data & Voice

POTSPOTSSplitterSplitter

ZyXEL ADSL RouterPrestige 641

To Central OfficeTo Central Office

TelephoneTelephone

TelephoneTelephone

Reference Model -1

ServiceDomain

TransportDomain

AccessDomain

PremisesDomain

POP ANI POP

NSP NAP

NAPNSP

NSP NTP NAP

DomainOwnershipScenarios

NSP

USER

Reference Model -2

NetworkManagement

T

ATU-R

AccessNode

ATU-C

ATU-C

ATU-C

ATU-C

BroadbandNetwork

NarrowbandNetwork

DigitalBroadcast

PSTN

PremisesDistributionNetwork

T-SMU-C

POTS-C POTS-R

Loop

Splitter

Phone(s)

U-C2 U-R2VAVC U-R

T.E.

T.E.

T.E.

T.E.

B

Reference Model -2

NetworkManagement

T

ATU-R

AccessNode

ATU-C

ATU-C

ATU-C

ATU-C

BroadbandNetwork

NarrowbandNetwork

DigitalBroadcast

PSTN

PremisesDistributionNetwork

T-SMU-C

POTS-C POTS-R

Loop

Splitter

Phone(s)

U-C2 U-R2VAVC U-R

T.E.

T.E.

T.E.

T.E.

B

Internet

ADSL Network Infrastructure

Central OfficeDSLAM

ATMNetwork

ATMFrame Relay

IP

NSP Router

BroadbandAccess Server

PSTN

Framing and Encapsulation

Ethernet MAC

Application

TCP

IP

PPP

ATM

OC-3/12/48

NSP

ATM

ADSL

ATM

NAT/DHCP

IP

PPPIP

(local)

Application

TCP

IP (local)

ATU-RATU-C Client PC

Live Demo

Video Server

Central OfficeDSLAM

Access Switch

Internet

PSTN

Splitter

Splitter