adsl router prestige 641 zycamp 6/8/1999. agenda what is adsl applications reference model adsl...
TRANSCRIPT
Agenda
• What is ADSL
• Applications
• Reference Model
• ADSL Network Infrastructure
• Framing and Encapsulation
• Live Demo (Video On Demand)
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