convergence - a 2001 perspective
DESCRIPTION
Presentation on Convergence Conference 2001TRANSCRIPT
XL 4/21/01
Xiaolin Lu
Vice President
Strategic Engineering & IP Networks
Broadband
CONVERGENCE:
WHAT, WHY, & HOW
XL 4/21/01
CONVERGENCECONVERGENCE
WHAT’S CONVERGENCE ?
WHY CONVERGE ?
WHAT TO CONVERGE ?
HOW TO CONVERGE ?
XL 4/21/01
BY ALL MEANS …BY ALL MEANS …
Communication
One-to-one
“On-Demand”
Entertainment
Broadcast
Always there
Services & Services &
PerceptionsPerceptions
BillingBilling
NetworkNetwork
VOICEVOICE VIDEOVIDEO
Usage-based
Point-to-point
Narrowband/
baseband
Flat rate
Point-to-multipoint
RF Broadband
OperationOperation Circuit/Connection Push content
XL 4/21/01
HISTORICAL OVERVIEWHISTORICAL OVERVIEW
Class 4
Switch
Class 5
Switch
SS7
Headend
FN FN
FN FN
Broadcast, pushBroadcast, push--andand--pickpick
Centrally managedCentrally managed
Selling contentSelling content
Broadcast, pushBroadcast, push--andand--pickpick
Centrally managedCentrally managed
Selling contentSelling content
Circuit, connection orientated
Centrally managed
Selling connection
Circuit, connection orientated
Centrally managed
Selling connection
Telco
Cable
XL 4/21/01
VISIOIN AT THAT TIME ….VISIOIN AT THAT TIME ….
Switch
Circuit integration
Centrally managed
“Privately Owned”
Tons of bandwidth, but for what?
Circuit integration
Centrally managed
“Privately Owned”
Tons of bandwidth, but for what?
SONET
ATM SONET
ATM Switch
FTTC
FTTH
XL 4/21/01
INTERNET PHENOMENAINTERNET PHENOMENA
OPEN INTERFACE
Apps Apps Apps Apps
No-Purpose, “Free”
Networks
Separation of networks and
services
XL 4/21/01
CHANGING PERSPECTIVESCHANGING PERSPECTIVES
RF Modem
DSP Performance
Fiber Optics
BellBell--CentricCentric MosaicMosaic
NetworkNetwork
“Proprietary”“Proprietary”
CircuitCircuit
Standard based
Capacity
Service enabler
BroadbandBroadband
Service PackageService Package
Network enabled or Network enabled or
independent independent
CompetitionCompetition
ApplicationsApplications
FeatureFeature--rich rich
VoiceVoice
ConnectionConnection
BusinessBusiness
MonopolyMonopoly
Bandwidth Internet
Multimedia
Router performance
LAN extension
Telecom Reform
Market maturity &
growth
XL 4/21/01
Pentium
Pro
2000 1970 1975 1980 1985 1990 1995
4004
Year
# T
ra
nsisto
rs p
er ch
ip
(lo
g)
10M
1M
100K
10K
1K
8008
8080 8085
8086/
8088
80286
80386
80486
Pentium
Pentium
II
1000
100
10
1
.1
Pe
rfo
rm
anc
e in
M
IP
S (lo
g)
Legend
Chip density
MIPS
IA-64
(est)
MOORE’S LAWMOORE’S LAW
XL 4/21/01
PHOTONIC MOORE’S LAW
0.1
1
10
100
1K
10K
1985 1990 1995 2000
Year
Ca
pa
city (G
b/s)
TDM Commercial
WDM Commercial
TDM Research
WDM Research
XL 4/21/01
Year 0Year 0 Year 1Year 1 Year 2Year 2 Year 3Year 3 Year 4Year 4 Year 5Year 5
Perf
orm
an
ce/
Pri
ce
Perf
orm
an
ce/
Pri
ce
Optical
Storage
Silicon (Moore’s Law)
9 Months
Time to Double
Expected Innovation Rates of Optics, Expected Innovation Rates of Optics,
Storage, and ElectronicsStorage, and Electronics
12 Months
18 Months
100X the impact of silicon
in 10 yrs!
Vinod Khosla Kleiner Perkins Caufield & Byers
XL 4/21/01
THE FOOD CHAINTHE FOOD CHAIN
Applications
Networks
Equipments
Components
Bandwidth Needs
New Opportunities
New Competitions
Bandwidth Needs
New Opportunities
New Competitions
High power DSP, ASIC,
and optical components
High power DSP, ASIC,
and optical components
Software on DSP & ASIC
Architectural Solutions
Software on DSP & ASIC
Architectural Solutions
XL 4/21/01
CONVERGENCECONVERGENCE
Services Enabling vs. Delivery
1+1 > 2
Presentations
Network and Platform: Adaptable and evolvable,
NOT integration
Configurable Not Customization
Provision & Operation Platform transparent
Cost reduction
Open for evolution
and innovation
Many choices
WHAT WHY
XL 4/21/01
CURRENT SITUATIONCURRENT SITUATION
CONTENT
CONTENT
PACKAGE
System &
Platform
NETWORK
TRANSPORT
PHYSICAL
TRANSPORT
VOICE DATA VIDEO
T-SLOT IP MPEG
PROPRIETARY PROPRIETARY PROPRIETARY
TDM
SONET
IP
ATM FR
ATM
PROPRIETARY
PROPRIETARY: Topology, media
XL 4/21/01
CONVERGENCECONVERGENCE
CONTENT
CONTENT
PACKAGE
NETWORK
TRANSPORT
PHYSICAL
TRANSPORT
APPLICATIONS: Presentation
Application Dependent ??
Common & “Transparent”
Evolvable
Adaptive NOT Integration:
optimized for service delivery
System &
Platform
XL 4/21/01
Convergence = Integration ?
Broadband = Bandwidth ?
Capacity potential
Use of bandwidth
Supporting infrastructures
Pipe and everything else
Technology X > Technology Y
Adaptable
Evolvable
Deliver ~ Enable
Demising separation of customers & service
providers
XL 4/21/01
EXAMPLE 1:EXAMPLE 1:
ACCESS NETWORK
XL 4/21/01
IN THE PAST ...IN THE PAST ...
LEC
Twist Pair Star
Feature rich POTS
$84B “toll collection”
Voice = Communication
Cable
Coax Tree-and-Branch
Broadcast video
$24B “$1 buffet”
DLC, ISDNDLC, ISDN
FTTHFTTH
Monopoly
Voice-oriented
Video = Entertainment
XL 4/21/01
PERSPECTIVESPERSPECTIVES
NetworkNetwork
ConnectivityConnectivity
Resource SharingResource Sharing
Media
Copper
Coax
Fiber
Radio
Topology
Star
Bus
Ring
Control
Central
Distributed
Self
Service
Communication
Entertainment
Convergence
Mind-Set
Bell-Head
Net-Head
“Cable Guy”
XL 4/21/01
CHANGING PERSPECTIVESCHANGING PERSPECTIVES
RF Modem
DSP Performance
Fiber Optics
BellBell--CentricCentric MosaicMosaic
NetworkNetwork
“Proprietary”“Proprietary”
CircuitCircuit
Standard based
Capacity
Service enabler
BroadbandBroadband
Service PackageService Package
Network enabled or Network enabled or
independent independent
CompetitionCompetition
ApplicationsApplications
FeatureFeature--rich rich
VoiceVoice
ConnectionConnection
BusinessBusiness
MonopolyMonopoly
Bandwidth Internet
Multimedia
Router performance
LAN extension
Telecom Reform
Market maturity &
growth
XL 4/21/01
OPTIONSOPTIONS
LEC
Narrowband
Switched DLC
Rebuild
Network Upgrade
Cable modem
Deep Fiber Deep Fiber
PenetrationPenetration
Wireless
Mobility
Broadband
Cable
Broadband
Broadcast
FTTH
XL 4/21/01
ARCHITECTURESARCHITECTURES
FN
Tree-and-Branch
Broadcast
Cascaded
Cell-Based
Narrowcast
Clustered
RN
???
XL 4/21/01
FIBER OPTICS ?FIBER OPTICS ?
Node 2,000+HP 1,200HP 600HP 200HP 100HP
Size
HOW Deep ?
HOW To ?
XL 4/21/01
HE
HE
HFC IN THE MAKINGHFC IN THE MAKING
HE Primary
Ring
Primary
Hub
FN
FN
Broadcast Multi-Service
XL 4/21/01
Segmentation
4X capacity
HFC IN THE MAKINGHFC IN THE MAKING
SH
SH
SH Primary
Ring
Primary
Hub
FN
FN
DWDM Transport
End-to-end Transparency
XL 4/21/01
OXiomOXiomTMTM
CMTS
PH
mFN mFN
mFN mFN
mFNs replace all coax amplifiers Less active components
More bandwidth and flexibility
Deep fiber penetration with cell structure
Optical add/drop to daisy chain mFNs Reduced fiber management & labor
Provisioning for growth
Distributed processing at mFN
SH
SH
SH
XTR XTR XTR
WDM PON
S
XL 4/21/01
Adaptable
Evolvable
Balance
Forward and backward
Front-end cost & lifetime
saving
XL 4/21/01
EXAMPLE 2:EXAMPLE 2:
REGINAL NETWORK
XL 4/21/01
IP
IP
IP
IP
1/0 DCS
1/0 DCS
1/0 DCS
1/0 DCS
4E
4E
4E
4E
A TRANSPORT LAYER MODEL
DS1
(1.5 Mb/s)
OC48
(2.5 Gb/s) WDM WDM WDM WDM WDM WDM
Fiber Conduit/
Sheath
SONET
Layer
3/1 DCS
3/1 DCS
3/1 DCS
3/1 DCS
DCS Layer
DCS DCS
DCS DCS
ATM
ATM
ATM
ATM
DS3/OC3
DS3/OC3/OC12
ADM ADM ADM
ADM
ADM
ADM ADM
3/1 DCS
Layer
ATM
Layer
Service
Layers
Media
Layer
Optical
Layer
XL 4/21/01
A SIMPLIFIED MODELA SIMPLIFIED MODEL
The Pipe
DWDM Switching
Auto Topology
Management
Intelligent Edge
Classification
Policing
Switching
Aggregator
Mapping
Accommodate
legacy
IP & Legacy Legacy
XL 4/21/01
CONVERGENCE:CONVERGENCE:
Simplification and EvolvingSimplification and Evolving
Intelligent Edge
Classification
Policing
Switching
Aggregation
Transparent DWDM Core
Smart DWDM for
transport and topology
Accommodate legacy
Access
Coherent Provisioning
and Management
Access
Access
Access Access
Access
XL 4/21/01
EXAMPLE 3:EXAMPLE 3:
CHOICES
XL 4/21/01
CHOICE ?CHOICE ?
Bell
Class
Switch Customer Local
Customer Class
Switch Local
AT&T
MCI
Spint
Price
War
XL 4/21/01
Yes, CHOICE !Yes, CHOICE !
PoC Presentation
To Customers
Network
Services
Value
Service Value
Service Value
Service Value
Service
XL 4/21/01
BROADBAND CHOICE BROADBAND CHOICE TMTM
Regional
Access Network
Regional Access
Network
Regional Access
Network
ISP 3
ISP 2
ISP 1
INTERNET
Regional Access
Network
Regional Access
Network
Backbone
XL 4/21/01
SOLUTIONSSOLUTIONS
ISP 1
HE
ISP 1
PoC
Policy-based routing Source-based
MPLS
Network service Provisioning
Choice management
Policy-based routing Source-based
MPLS
Network service Provisioning
Choice management
Home Access Regional
XL 4/21/01
EXAMPLE 4:EXAMPLE 4:
VOIP
XL 4/21/01
Open standards
Call agent
platform
Common IP
network
IP Transport
More suppliers
Third party
applications
Shared equipment &
labor
Interconnect cost
reduction
Lower prices
Incremental
revenue
Economies of
scope
Higher margins
Attributes Implications Benefits
SOME THOUGHTS ….SOME THOUGHTS ….
XL 4/21/01
Today’s ArchitectureToday’s Architecture
SH DWDM
Networking mFN
HFCHFC
Internet
Local IP
Network
Separate voice and data platforms sharing the same
HFC network
PH
CMTS
HDT
PSTN
SONET
5ESS
CM
NIU
XL 4/21/01
Transition: IP Digital TerminalTransition: IP Digital Terminal
SH DWDM
Networking mFN
HFCHFC
PSTN
Internet
Local IP
Network
Integrated voice and data over HFC network
Utilize 5ESS platform for voice interconnect & features
PH SONET
5ESS
BTIBTI
IP
DT
Ro
ute
r
CM
TS
XL 4/21/01
EndEnd--toto--End IP PlatformEnd IP Platform
SH DWDM
Networking mFN
HFCHFC
HPNA
PSTN
Internet
Local IP
Network
PSTNPSTN
GatewayGateway IP IP
BackboneBackbone
BTIBTI
Cost reduction through common IP infrastructure
New revenue with emerging IP-based services
Flexible user interfaces stimulate more creativities
Ro
ute
r
CM
TS
PH
XL 4/21/01
OPTIONSOPTIONS
Switch Call Agent
NIU
/H
DT
B
TI/C
MT
S
Switching Technology
Access Technolo
gy
HDT
IPDT End-to-end
Reverse gateway
+ Current, proven technology
- Proprietary interfaces
- Uses circuit switches
+ Uses call agent
+ Moves traffic off circuit switches
- Limited support for new IP services
+ Standard-based
+ Support voice and data
- Uses circuit switches
- Interim solution
+ Standard-based
+ Support voice, data, & new IP
+ Uses call agent
- Time to market
XL 4/21/01
IT’S ALL ABOUT THOSE IT’S ALL ABOUT THOSE
DEMARCATION POINTS ….DEMARCATION POINTS ….
HE-D HG
RDC
POP Home Access Regional Backbone
End-to-end consistency
Provisioning and management
Presentation
Commodities
Value Creation
XL 4/21/01
IT NEVER ENDS …IT NEVER ENDS …
Has Been Moving to
Service Delivery Enabling
Platform Service specific Open Interface
Network One-dimension pipe Multi-dimension infrastructure
Time
Growth
Service
Network Platform
Time
XL 4/21/01
… The wonderful thing about
Moore’s Law is that it is not a
static law; it forces everyone
to live in a dynamic, evolving
world.
-- Carver Mead
XL 4/21/01
We’ll see