Transcript Slide 1

UDSL
Uni-DSL - One DSL for Universal Service
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TI Broadband - From Infrastructure to Endpoints
Infrastructure
Premises
Endpoints
Public
Telephone
Network
Wireless LAN
DSL
Cable
VoIP
IP
Network
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DSL infrastructure products
(central office, DLC, remote
terminals)
Carrier-class Voice-over-IP
gateways
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Cable modems
DSL modems
Wi-Fi routers
Wi-Fi broadband
gateways
Small/medium
business and
Enterprise voice
gateways
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Handhelds
Consumer electronics
PCs
IP phones
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Worldwide DSL Market – Full of Opportunity
WW DSL Subscribers (000s)
200,000
 DSL maintaining 70% share
150,000
of broadband market
worldwide for data services
100,000
 VoIP services are starting to
be provided by operators
50,000
 Video is the next opportunity
0
2002
2004
2006
2008
for DSL market growth…
Source: TI estimates based on various industry reports
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Operators’ Next Generation DSL Battleground
• Need to deliver maximum
bandwidth and near ubiquitous
coverage in a converged
network
 Video services (HDTV and PPV)
 Near 100% coverage with data
service
 Managed networks
 Voice services: convergence of
various voice networks
• Carrier Network Topologies are
Changing
 All major operators are shortening
their loops
 Deployment at wiring cross connect
cabinets is starting
Creates Major Issues for
Equipment Providers
 Multiple line card
designs
 Interop issues will be
extensive with multiple
standards
 High level of
development resources
required
 Carryover from existing
designs
 More deployments for MDU/inbuilding networks
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VDSL – Limited for the Future
 Today everyone thinks VDSL solves their problems,
however it is limited
 Requires Specific Line Cards in the CO
 New CPEs need to be deployed
 Limited Reach
 Not Symmetric
 Complicated Provisioning
 Interoperability Problems
TI’s Proposal – A DSL Platform Providing Universal Service
Uni-DSL - UDSL
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Uni-DSL (UDSL)
One DSL for Universal Service
 Multicarrier solution based on DMT
 Single chipset support of DMT standards
 VDSL1, VDSL2, ADSL, ADSL2, ADSL2+, and Ultra-high
speed DSL (UHDSL)
 Ultra-high speed end to end solution up to 100 Mbps
symmetric over existing wiring (200 Mbps aggregate)
 Scalable 800 Mbps digital device for port density for DSL
infrastructure
 4 ports at 100 Mbps symmetric or 200 Mbps aggregate
 8 ports at 50 Mbps symmetric or 100 Mbps aggregate
Opt
UDSL*
0
138 kHz
DS1
US1
3.75 MHz
DS2
5.2 MHz
US2
8.5 MHz
DS3
12 MHz
f
* Example spectrum; flexible spectrum allows any combinations of upstream and downstream
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UDSL Offers Support for All DSL Flavors
Distance from the CPE
1 ft
Home
NID
300 ft – 500 ft
1Kft – 3Kft
4Kft – 6Kft
9Kft – 12Kft
18+ Kft
Basement
In Building
MDU
Neighborhood
Wiring
Pedestal
Cross
Connect/
Primary
Connect
Remote
Terminal
or Vault
Central
Office
Equipment
Shelf
MDU Head End
VDSL: Up to 52 Mbps
UDSL: Up to 200 Mbps
PON Termination (ONT)
FTTU
Various Home Networks
VDSL Head End
VDSL: Up to 52 Mbps
Remote DSL/
Short Loop DSL
Short Loop IVD
ADSL2+: Up to 24 Mbps
ADSL2: 1.5 to 12 Mbps
Long Haul IVD
Next Generation DLC
ADSL2+: Up to 24 Mbps
ADSL2: 1.5 – 12 Mbps
ADSL: 1.5 – 8 Mbps
Traditional DSLAMs
ADSL2: 1.5 – 12 Mbps
ADSL: 1.5 – 8 Mbps
READSL2: 192+ kbps
Long Haul IVDs
ADSL/ADSL2
ADSL2+
Ultra High Speed DSL
Remote/Short
Loop DSL
VDSL/VDSL2
READSL2
Uni-DSL
FTTU
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Uni-DSL – A Universal Service Platform
Fiber
UDSL equipment
in the cross
connect
Cross Connects:
In almost every neighborhood. At
most 6000 ft from consumer. Each
holds about 600-800 consumer lines.
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Next Gen Needs for U.S. Operators
 Long loops and older loops,
but natural deployment
location at cross connect <
6kft
 Need migration path to 3
simultaneous HDTV channels
over DSL (minimum)
 Remote DSL from cross
connect can potentially supply
up to 20% of current voice
subscribers, who are not
reachable by ADSL today
Next Gen Needs for Asian Operators
• Korea
 Maximum loop reach required is 1
km now
 FTTC and FTTH is next step with
VDSL or higher data rates
• Japan
 Fiber + VDSL is long term strategy
for operators; most loops under 1
km
 Fiber to the building with VDSL or
100baseT to provide 100 Mbps
symmetric capability for data is
needed
• China
 ADSL with Reach Extension now to
improve coverage followed by
ADSL2+, VDSL
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Next Gen Needs for European Operators
• UK
 Primarily focused on
• France
 Current video strategy
focused on lower data rate
DSL; i.e., 6 to 10 Mbps,
solution for single channel
SDTV over 3 km; eventual
evolution to ADSL2+ for
multi-channel
• Italy
 Incumbents are rolling out
video service in 2004 to
compete with CLEC
(FastWeb)
 Interested in high speed
symmetric (10+ Mbps)
offering to home and small
business
providing data services and
100% coverage
 Interested in deployment at
primary connection points
(cross connects) if political
hurdles can be overcome
 Starting to look at deep
fiber deployment with VDSL
• Germany
 Longer loop plant than
most others European
operators; up to 4.2+ km
 Concentrating on delivering
data-only services at a
relatively low data rate
 Sees remote DSL as
potential method to extend
reach and lower cost
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TI’s Current UDSL Activities
 Discussions with worldwide operators on concept
 Strategic discussions with key customers
 Potential to leverage incumbency and capture
DSLAM/DLC market opportunities
 Looking at standards activity
 Have over 20 submissions into the standards bodies related to
UDSL concepts
 No one is at this level of leadership to drive universal services
 Goal to make Uni-DSL an industry-wide effort to drive growth in
the DSL market
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UDSL Makes Video Over DSL Possible
 Operators need an affordable option to support all of their
network requirements and services
 Uni-DSL (UDSL) provides support for ADSL, ADSL2,
ADSL2+, VDSL, VDSL2 and a 100 Mbps symmetric ultrahigh speed mode
 Operators will be able to provide all DMT-based services
off of one line card or home gateway, making deployment
more affordable
 TI is taking a leadership position in making video over DSL
services a reality
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Back Up
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Performance Comparison: ADSL vs VDSL
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Performance Comparison: ADSL vs. VDSL
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UDSL’s Performance Enhancing Features
• Bonding
 Extend high data rate reach
 Leverage excess copper pairs
• Dynamic Spectrum Management (DSM)
 Level 0 with AC7/AR7
 Levels 1 to 2 with software upgrade
 Level 3 ideal in short loop and MDU type deployment with
UDSL
• Optimize transmission latency to match applications
 Throughput improvements with priority queuing at the CPE
 Multi-latency for voice vs. video vs. data
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