Title: xDSL Teknolojileri ve Uygulama Alanlari
1xDSL Teknolojileri ve Uygulama Alanlari
Ergin DOGAN Veri Iletisim Sebekeleri Satis
Yöneticisi ergin.dogan_at_siemens.com.tr
Abdullah Özgüven Erisim Sebekeleri Satis
Yöneticisi
2Definition of Access Network Boundaries to core
net are becoming fuzzy
Fixed Net
Mobile Net
Twisted Pair Coax Fixed Radio, PMP PLC
Core Network PSTN/ISDN, ATM, IP, SDH
Access Node
NT
In-house Net.
IAD
Residential and SME
Interfaces e.g. V5.x, VB5.x, IP, ATM, (SDH) ...
PC, TV
IAD Integrated Access Device (Residential
Gateway) NT Network Termination PMP Point-to
Multipoint Radio PLC Power Line Communications
Besides multiplexing, concentration, and
transport the access network of the future may
include enhanced features, like switching,
routing, bandwidth management and security.
3Subscribers ViewDecision of subscribers for a
service will be determined by cost, content,
support, and existing infrastructure.
LMDS PMP
Telecom-Satellite Broadband LEO
TV Data POTS
TV-Satellite
Relevance in midterm
MOD
POTS Data
High
TV
SAT
Wireless local loop
Medium
Low
Data POTS
CM
local WLL
TV Data POTS
Coax Cable
TV Data POTS
FTTH
POTS Data
Fiber
Twisted Pair
Residential/ SOHO
xDSL NT
PLC
Data
Power Line
- Competition of services and applications via
different access networks exists. - Several network solutions will coexist.
4IntroductionWhy xDSL?
xDSL is compliant to all of the above. With
acceptable costs it takes advantage of the
existent cooper telephone access network,
providing fast time-to-market and the required
high bandwidth.
5IntroductionxDSL infrastructure overview
DSLAM
MDF
xDSLLine 2 copper wire
PSTN / ISDN
xDSL (data voice)
data
voice
6Network Type Typical Residential Area
Central Office
Central Office/Colocation
lt500 m
Overhead or Underground
frequently ducted
Distribution Point (Curb)
Scenario
Line Frames POTS/ISDN DSLAM
CO-based Solution
NTs Splitter
Copper
Distribution Frame
Copper
DLC/ FITL
NTs Splitter
Copper
Line Frame Multi-service POTS/ISDN and xDSL
Edge G/W equipment
Fiber (mostly rings)
Fiber gradually is replacing the copper plant
firstly by implementing Fiber to the Curb
7Network Type Connections to Buildings
Central Office
Central Office/Colocation
lt3 km
frequently ducted
Distribution Point
Scenario
CO-based solution
NTs Splitter
Copper
Distribution Frame
Copper
Line Frames POTS/ISDN DSLAM Edge G/W equipment
MTU/ FTTB
NTs Splitter
Copper
Fiber also (metro) ring
Edge G/W equipment
Line Frame Multi-service POTS/ISDN/ XDSL
FTTH FTTO
O-NT
Fiber
Fiber Distribution
Fiber also (metro) ring
Edge G/W equipment
Depending on the actual service mix, Fiber to the
Building is an economic solution.
8DSL Technologies and Services
Technology
VDSL
SHDSL
ADSL
Services/ Bandwidth
1M
6M
10M
14M
2M
Fast Internet E-learning Gaming
Multimedia Home Broadcast TV High Speed VPN
Streaming Media Video Conferencing Virtual
Private Networks
9xDSL technologies and their specific frequency
spectrum
10Product portfolio covering all access network
scenarios
11NGN Solution
12NGN xDSL Access Applications
Residential
ADSL.Lite
ATM / IP Network
Filter
hiQ
Radius
Residential/ SOHO
ADSL
10bT
NT/Splitter
SURPASS hiA
Legacy Voice Network
Small/medium office
10bT
SS7
NT
SDSL
PSTN / ISDN
H.323
13DSLAM Solution
14DSLAM System Architecture
Central Office
DSLAM
ADSL
M U X
ADSL
Access Switch
STM-1 or E3
(optional)
ADSL
Splitter
CPE Customer Premises Equipment
15FITL Solution
16Fiber in The Loop system offering voice, data and
broadband services via open network interfaces
Residential SOHO
Voice switch (TDM based)
Data leased line network (TDM based)
FITL
ATM network (packet/cell based)
Small medium business
Subscribers
Access network
Core network
17Flexible system architectureoffers fully
system-integrated transmission
xDSL fully system- integrated
Management system
NT
ONU
Local exchange
Transmission System
OLT
Datanetwork
SNU
fully system integrated
ATM- network
PtP, ring, cascaded
NT network termination ONU optical network
unit SNU service network unit OLT optical line
termination
fiber, copper, radio
Subscribers
Remote units
Core network
Central unit
18Next Generation Access
- Evolution
- Migrate TDM to Broadband
- Differentiation
- Best price performance
- Easy self-installation
- Future-ready
- Evolutionary Migration Path
- Video over DSL
- Benefits
- Investment Protection
- Maximize ROA
- Quality of Service
Control (Switching)
Managed IP network
Access
Trunking
Optical network
19The Narrowband Setup
SS7
ATM/IP
TDM Traffic
Dial-up
POTS, ISDN
20Triple Play with DSLAM Overlays
SS7
ATM/IP
DSLAM TDM Voice
Splitter
TV
DSL
POTS, ISDN
21DSL plus Voice Aggregation
SS7
ATM/IP
GR.303V5.x
- Integrated Voice/data
- 1 card instead of 3(DSL, voice, splitter)
- DSL activation by command only
Multiservice Access Platform (MSAP)
TV
DSL
POTS, ISDN
22Multiservice Access Gateway (AGW)
ATM/IP
Media Gateway Controller
To TDM network
IP signaling
Multiservice Access Gateway (AGW)
TV
DSL
POTS, ISDN
23Common Modular Architecture
Media Gateway Controller
ATM/IP
SS7
IP signaling
EitherMSAP
orDSLAM
or Access Gateway
TV
DSL
POTS, ISDN
24Agenda
- Broadband Market Parts
- xDSL Applications (Residential-Business Oriented
) - Triple Play Access Solution Network
- Deutsche Telekom and Korea Broadband Story
- Discussions
25ContentGames, Movies, MusicCourses, Clips
DevicesPC, TV, Set top Boxes,Mobile
ApplicationsVoD, GoD,E-Learning, Video-con.
InfrastructureDSL,cable,satellite .
26xDSL Residential-oriented applications
- Fast Internet access time-saving, enhanced usage
comfort - Entertainment/ leisure distribution live
on-demand multi-media streams, interactive
network games - Distance learning and training supplementary
education, continuing learning - Multimedia information exchange access to
multi-media databases (incl. download) - E-commerce
27xDSL Business-oriented applications
- Telemedicine access to graphical diagnostics
data, specialist consulting - Fast Intranet/Extranet/remote LAN
access interconnect branch offices to
headquarters, remote login to corporate
WAN/LANs while keeping LAN-typical performance - Distributed collaborative working, Teleworking
intensive high bandwidth exchange of
multi media data video conferencing - ... and many more we do not yet imagine but
becoming important business factors in the near
future
28IntroductionTriple Play Access Solution Network
- Voice, Data, Entertainment
- on one single copper pair
- Excitement for the end user
- Revenue opportunities for operators
- Electronic business channel for content providers
- Evolve your infrastructure towards value added
networks with
Introduction Voice over DSL Fast Internet
Access Video over DSL Access Network Summary
29End-to-End Voice over DSL Solution
Introduction Voice over DSL Fast Internet
Access Video over DSL Access Network Summary
- Voice over DSL is an opportunity for both ILECs
and CLECs to provide voice and data services to
end customers without renting or investing in TDM
equipment - The most flexible solution for dynamic sharing of
Voice and Data - Future-proof investment for migration from TDM
networks towards IP-based converged networks - estimated that in the year 2005 world wide about
25 million VoDSL lines are in operation
30End-to-End Voice over DSL SolutionBroadband Loop
Emulation Service (BLES)
Introduction Voice over DSL Fast Internet
Access Video over DSL Access Network Summary
Customer
CPE
Access Network
Backbone
DSL
ATM Uplink
IAD
ATM Access Network
Aggregation
Voice Gateway
V 5.2
Data
Voice
Voice and/or Data
Network Management
31End-to-End Voice over DSL SolutionMulti Service
Data Network (MSDN)
Introduction Voice over DSL Fast Internet
Access Video over DSL Access Network Summary
Customer
CPE
Access Network
Backbone
Call Feature ServerSignaling Gateway
MGCP
IP
BRAS
Residential
DSL
MGCP
IAD
SOHO
Trunk Gateway
SME
Data
Voice
Voice and/or Data
Network Management
- The future already defined by MSDN ...
32Triple Play
Introduction Voice over DSL Fast Internet
Access Video over DSL Access Network Summary
Voice
Voice over DSL
Fast Internet Access
Data
Video over DSL
Entertainment
With Triple Play Solutions, you give added-value
to your network.
33End-to-End Fast Internet Access Solution
Introduction Voice over DSL Fast Internet
Access Video over DSL Access Network Summary
- Ever-increasing computing power of Home-PCs,
interactive games, download of content like mp3
music files and videos forces residential users
to look for Fast Internet Access - Residential user is willing to pay for Faster
Internet Access, combined with new services - For Video-Conferencing, Application Sharing,
etc., small and medium enterprises are ideal
customers for Fast Internet Access via DSL
34End-to-End Fast Internet Access Solution
Introduction Voice over DSL Fast Internet
Access Video over DSL Access Network Summary
Customer
CPE
Access Network
Backbone
Service Selection Center
IP
BRAS
Residential
INTERNET
DSL
NTModemSplitter
SOHO
SME
Data
Voice
Voice and/or Data
Network Management
- ADSL, SHDSL, VDSL
- Central Office and Remote Locations
35Triple Play
Introduction Voice over DSL Fast Internet
Access Video over DSL Access Network Summary
Voice
Voice over DSL
Fast Internet Access
Data
Video over DSL
Entertainment
With Triple Play Solutions, you give added-value
to your network.
36Business Driver Video
- New Applications
- Video on demand, video conferencing, streaming
audio and video, interactive video, TV broadcast - Gain Market Share
- Compete against cable companies with new services
like interactive video, with triple play
solutions in a bundle - Generate Revenue
- Additional revenue streams over existing copper,
and higher customer retention - Your Access Strategy
- Step towards fiber to the home with rich services
Introduction Voice over DSL Fast Internet
Access Video over DSL Access Network Summary
37End-to-End Video over DSL Solution
Introduction Voice over DSL Fast Internet
Access Video over DSL Access Network Summary
Customer
CPE
Access Network
Backbone
Services Content- Provider,Services,Content-M
anage-ment
IP
Access Router
Settop Box
Residential
DSL
NTModemSplitter
Video over DSL
SOHO
SME
Data
Voice
Voice and/or Data
Network Management
38Triple Play Access Network
Introduction Voice over DSL Fast Internet
Access Video over DSL Access Network Summary
Customer
CPE
Access Network
Backbone
Residential
SOHO
SME
Data
Voice
Voice and/or Data
Access Network Management
39Triple Play Access Network
Introduction Voice over DSL Fast Internet
Access Video over DSL Access Network Summary
Customer
CPE
Access Network
Backbone
Residential
SOHO
SME
Data
Voice
Voice and/or Data
Access Network Management
40Summary
Triple Play Voice, Data, Entertainment
give added-value to your network.
Introduction Voice over DSL Fast Internet
Access Video over DSL Access Network Summary
Voice over DSL
Fast Internet Access
Video over DSL
Solutions
Triple Play Access Network
41Deutsche Telekom and Korea Broadband Story
Deutsche Telekom
- The Company
- Leading world telecommunications carrier
- Largest incumbent carrier in Germany
- Deploying broadband Internet to all residents
using DSL technology
42Subscriber Development of T-DSL in the Year 2000
Growth rate of T-DSL in 2000 outperformed the
successful T-ISDN growth rate of 1991
- T-DSL aggressive and successful launch
- 12/2000628.000 T-DSL contracts sold - in
contrast to 350.000 which were originally
planned in 04/00 - Another positive T-DSL effect More than 50 of
former analogue customers choose ISDN additionally
43T-DSL Marketing campaign
- Deutsche Telekom boosted awareness of the xDSL
broadband access option by using conspicuous
advertisements
- Robert T-Online, a computer-animated
- Presence in virtually all newspapers, magazines
and many TV channels - Many target groups addressed
- Advertisements used to convey key
messagesspeed up your internet access -
xDSLunlimited surfing - T-Online flatrate - Unrivalled marketing presence - putting DTAG in a
unique position compared to its competitors
Robert T-Online
44General situation in the German DSL market
- The number of DSL service providers in Germany is
limited - Besides Deutsche Telekom the main suppliers of
xDSL services are - Arcor / Otelo and Mobilcom (for ADSL services)
- COLT and QSC (for SDSL services)
- City and regional carriers just begin to offer
DSL also
45Korea Broadband Story
Korea is the BB champion in Asia Pacific - More
than half of Korean households are online via
broadband
Broadband Connections in households with online
access
0.40
China
6
Taiwan
7
Singapore
8
Hong Kong
57
Korea
Source IDG News Service, 29 Jan 2001
46ADSL Subscribers Growth in Asia Pacific
Koreas current BB leadership is projected to
continue for the long-term
47Driving forces for Korea Broadband Development
Four major driving forces
Right demographical Condition
Government Policy
Broadband Development
Competition Liberalized Market
Internet Contents Applications
48Thank you.