ITU-APT Regional Seminar
BcN
(Broadband Convergence Network)
Inje University, Rep. Korea
ChulSoo Kim
10 Sep. 2004
INJE univ . C&C Laboratory
ITU-APT Regional Seminar
Contents
§ PART ? . BcN Overview
§ PART ? . Realization of BcN
§ PART ? . Broadband of Wireless Access
§ PART ? . Standard Model of BcN
§ PART ? . Considerations
INJE univ . C&C Laboratory
ITU-APT Regional Seminar
PART ?. BcN Overview
§ Environment Analysis
§ State of Broadband in Korea
§ Definition of BcN
§ General Architecture
§ Development of User Equipments
§ Vision
§ Driving Forces Towards BcN
§ BcN versus NGN
INJE univ . C&C Laboratory
ITU-APT Regional Seminar
PART ?.
Environment Analysis(1)
Full Open and Competition Environments
Telecom. Business
Tele-Broadcasting Business
Broadcasting Business
Data
inc.
Data
Voice
Integrated Service
Voice
End
to
End
Client
to
Server
User friendly control
Circuit based
Packet based transport
Electronic based
Optic based transmission
Integrated Telecommunication Infrastructure
INJE univ . C&C Laboratory
ITU-APT Regional Seminar
PART ?.
Environment Analysis(2)
Past : Seper. of Voice & Data Transp.
Circuit Switch.
Transp. Capa.
Circuit Switch.
Access Capa.
Packet Switch.
Transp. Capa.
Present : Sep. of V & D Access
Circuit Switch.
Transp. Capa.
Circuit Switch.
Access Capa.
Packet Switch.
Access Capa.
Packet Switch.
Transp. Capa.
xDSL / FTTx
Future : Integration of V & D Access and Transp.
Near Future : Integration of V & D Transport
Circuit Switch.
Transp. Capa.
Circuit Switch.
Access Capa.
Packet Switch.
Access Capa.
Packet Switch.
Transp. Capa.
Packet Switch.
Transp. Capa.
Packet Switch.
Access Capa.
VoIP / VToA
INJE univ . C&C Laboratory
ITU-APT Regional Seminar
PART ?.
State of Broadband in Korea
Broadband Market growth
§ High speed(Broadband) internet Subscriber number : over 11million
– DSL: 6.25million(56.5%), HFC: 382 3.82million(34.5%),
LAN: 0.99million(9.0%), FTTH: 1thousand
INJE univ . C&C Laboratory
ITU-APT Regional Seminar
PART ?.
Definition
§ BcN ?
– IP(Packet) based integrated network for high quality convergence
services through dynamic accesses
Broadband
Mobility
Advance Home Network
Convergence Services
QoS
Dynamic Access
Security
BcN
BcN
High Quality Service
Open API
IPv6
Integrated
Network
Integration of voice/Data
Converg. Fixed/Mobile
Converg. Telecom/Broadc.
Converg. TE/Appliance
INJE univ . C&C Laboratory
ITU-APT Regional Seminar
PART ?.
General Architecture
§ Easy adapt of new service
Application Servers
§ All IP based integrated
transport network
§ Integrated Customer/
Softswitch
Next Mobile
Open
Interface
Sat./Broadcast.
BcN Transport
Access Gateway
Service/Billing Management.
AP
Broadband
§ Dynamic Access Network
Fixed/Broadcast.
LAN
Home Net.
Sensor Net.
§ Multi-Function TE
PC, Hand Phone, Smart Phone, NG Terminal
INJE univ . C&C Laboratory
ITU-APT Regional Seminar
PART ?.
Development of User Equipments
Chip Solution
Multi Function TEs
(4G Mobile-phone/PDA)
Phone
FAX
PC FAX
S/W
Solution
PC
TV
Multimedia PC
PC TV
INJE univ . C&C Laboratory
ITU-APT Regional Seminar
PART ?.
Vision
§ Vision
– Build a state of the art information infrastructure in the world
– Create an environment to use high-quality multimedia services
– Prepare core foundation of IT industry growth momentum
§ Goal
– Build an Integrated network with the bandwidth of 50~100Mbps that can offer
seamless multimedia services to 20 million wired or wireless service subscribers
1,500,000
4,500,000
10,000,000
2005
2007
2010
500,000
3,500,000
10,000,000
2005
2007
2010
Wired
(50~100Mbps)
Wireless
(50~100Mbps)
INJE univ . C&C Laboratory
ITU-APT Regional Seminar
PART ?.
Driving Forces Towards BcN
§ Need of change communication market architecture(Need of New
value added service)
– Saturation of both Fixed and Mobile telephone services
– Need of Integrated (Fixed+Wireless) and Convergence (Telecom+Broadcast)
§ Need of New Service Paradigm
– Increase of Service requirements (Flex. of Access, Diversity of Service etc.)
– Increase of High Quality services
§ Need growing energy for IT Business
– Preparation of New Revenue Stream based on IT Business
– Development of new high-tech and market
INJE univ . C&C Laboratory
ITU-APT Regional Seminar
PART ?.
BcN versus NGN
BcN
NGN
(Broadband Convergence Network)
(Next Generation Network)
§ 2002 NGN, 2003 NGcN, 2004 BcN
§ Convergence of Broadcasting and
Telecommunication
§ Continuation of GII(1993)concept
§ ‘NGN 2004 Project’ in ITU
§ Terminology
§ Time for Convergence of Broadcasting and Telecommunication
§ NGN related Recommendations in ITU are still conceptual
INJE univ . C&C Laboratory
ITU-APT Regional Seminar
PART ? . Realization of BcN
§ Realize Leveraging Engines
§ STEP 1. Evolve Broadband Access Network
§ STEP 22 -1. Add intelligence to Edge Network
§ STEP 22 -2. Add QoS to Core Network
§ STEP 3. Home Networking through Broadband
§ Final STEP. Broadband convergence Network
INJE univ . C&C Laboratory
ITU-APT Regional Seminar
PART ? .
Realize Leveraging Engines
Network Evolution
(Access Network , Edge Network , Core Network)
Service & Application Platform
Communications
Communications
Commerce
Commerce
Contents
Contents
Computing
Computing
Service &
Application
Layer
Control
Control
AAA, Session, Policy, Security, Mobility
Wireless
Wireless Access
Access
CDMA, 1xEVDO
WCDMA
2.3GHz
Wireline
Wireline Access
Access
Core
Core Network
Network
Edge
Service
Node
Best Effort
Premium
Edge
Service
Node
xDSL, Ethernet
W-LAN
FTTH
CATV/HFC
Network
Layer
INJE univ . C&C Laboratory
ITU-APT Regional Seminar
PART ? .
STEP 1. Evolve Broadband Access Network(1)
§ Fixed broadband needs “ Higher Speed”
Speed”
- Services : High quality VoD, T-commerce, Telecom -Broadcasting converg
ence, Tele-medicine, Virtual reality, …
§ Evolution phase
- VDSL : 13/20Mbps à 80Mbps
- FTTx : FTTC-VDSL / FTTC-Ethernet à FTTH
- HFC : 4Gbps, Triple-play service
<1M
3M
6M
ADSL
(CATV)
50M
VDSL
80M
100M
ADSL+/2+
VDSL
FTTH
FTTC more than 2Km FTTC more than 1Km
FTTC more than 3Km
Twisted copper line
APT
Present Status in Korea
INJE univ . C&C Laboratory
ITU-APT Regional Seminar
PART ? .
STEP 1. Evolve Broadband Access Network(2)
§ Wireless broadband needs “ Higher Speed, Mobility & more
Coverage””
Coverage
– IP based integrated network for high quality convergence services through
dynamic accesses
Wireless LAN(Netspot)
2.3GHz Portable Internet(WiBro)
Speed: 11Mbps
Terminal Mobility(over 60km/h)
2.4GHz(IEEE802.11g)
Coverage: 400~500m(dense)
5GHz*IEEE802.11a)
3~4km(suburban)
? Mainly for Indoors
Speed: 1~2Mbps
? Mainly for Outdoors
Airport
A
A
University
P
P
Hotel Hot Spot
House
SOHO
2.3GHz
Internet
xDS
LEnterprise A A
P P
Hot Spot
Hot zone
INJE univ . C&C Laboratory
ITU-APT Regional Seminar
PART ? .
STEP 22 -1. Add intelligence to Edge Network
§ Edge Service
– Value-added services based on administration & control of user profile
established in Edge Service Node
– Personalized services with connection authentication & variable platform
resource
– Services : Content filtering, Scheduled shutoff, VoD, …
Backend Platform
Customer
Service Platform
Edge Service Platform
CRM
CRM
Billing
Billing
AAA
AAA
Clean-i
Clean-i
TimeCodi
TimeCodi
VoD
VoD
Control Platform
• Control
• Administration
Network Edge
•
•
•
•
Edge Node
QoS/Security mgmt.
Traffic mgmt.
Session control
Resource control
Network Core
INJE univ . C&C Laboratory
ITU-APT Regional Seminar
PART ? .
STEP 22 -2. Add QoS to Core Network
§ Premium Core Network
– QoS (MPLS, Diffserv, RSVP, …)
– Security (Host/Application-based à Network-based)
– Services : Best-effort à Premium(real-time, high quality)
§ Migration(Layering Convergence)
IPv4/IPv6
IPv6
MPLS
GMPLS
ATM
SONET
WDM
WDM
1st stage
2st stage
3st stage
INJE univ . C&C Laboratory
ITU-APT Regional Seminar
PART ? .
STEP 3. Home Networking through Broadband
For Ubiquitous Network
Build All-IP environment in home à Enlarge the network coverage to Home
Remote
Home
Home
health
control
surveillance
care
Promote
as
Appliance VoD/Multicast Business
TeleVoD
control
metering
Scheduled
shutoff
Content
filtering
the first stage
User
Tele-metering / Energy saving
GMS
HMS
RGMS
VoD/Multicast
Medical / Health
Security / Safety
RGMS
T-Commerce / Return path
GMS : Global Mgmt. System
HMS : Home Mgmt. System
RGMS : RG Mgmt. System
RG : Residential Gateway
xDSL
Ethernet
FTTx
RG
INJE univ . C&C Laboratory
ITU-APT Regional Seminar
PART ? .
Final STEP. Broadband convergence Network
Network converged
Various type of broadband access networks (fixed, mobile) are converged
into one backbone network
Service converged
Servers
Seamless service through the various type of multimedia terminals
Backbone Network
Access
Access
xDSL, Ethernet, FTTx
2.4GHz, 5GHz W -LAN
Home
Office
Hot Spot
Access
2.3GHz Portable Internet
Hot Zone
INJE univ . C&C Laboratory
ITU-APT Regional Seminar
PART ? . Broadband of Wireless Access
§ Overview
§ Driving Plan
INJE univ . C&C Laboratory
ITU-APT Regional Seminar
PART ? .
Overview
Definition
Provide various type of service according to mobility of users
Consist of Wireless LAN, WiBro, IMT2000(include enhancement)…
Needs
100
Increase
2.3G-portable Internet
10 Multimedia data
1
IMT-2000
Existing WLAN does not guarantee mobility and has
limited coverage area
(3G)
IS-95B
User
0.1
Mbps
STOP
requires
QoS
Walking service
STOP
guarantee
Indoor
Walking
Vehicle
Outdoor
INJE univ . C&C Laboratory
ITU-APT Regional Seminar
PART ? .
Driving Plan(1)
Object
Providing wireless network for the 3G equivalent environment
50~100
Unitwith
: 1000
Mbps to the 10 million user 2005
2007
2010
WiBro/WLAN
500
3,500
9,500
4G
Total
500
500
3,500
10,000
Strategy
Frequency reallocation and finding new frequency
INJE univ . C&C Laboratory
Development of Key technology for wireless infrastructure
ITU-APT Regional Seminar
PART ? .
Driving Plan(2)
Solution
Improvement of IMT2000 and WLAN Technology
New Technology(Wibro)
IMT2000 and
High speed WLAN
WiBro
Providing Broadband wireless network for Seamless
Servicesenhancement
IMT2000
Coverage : 100m
Mobility : 60km/h
Speed : 10Mbps
Speed : 500Mbps~1Gbps
Speed : 30~50Mbps
Terminal : Notebook,
PDA
Based IP Network
HSDPA(High Speed
Downlink packet Access)
INJE univ . C&C Laboratory
ITU-APT Regional Seminar
PART ? . Standard Model of BcN
§ Objects
§ Driving Status
INJE univ . C&C Laboratory
ITU-APT Regional Seminar
PART ? .
Objects
Vision of BcN
Interface Between Network devices
Providing Service scenario
INJE univ . C&C Laboratory
ITU-APT Regional Seminar
PART ? .
Driving Status
Draft 1.0 (2004.6)
Draft 2.0 (2004.12)
providing Service Requirement and
Verification of Key Technology
Guideline for Test Bed and Commercial network
Will be continue 2010
INJE univ . C&C Laboratory
ITU-APT Regional Seminar
PART ? . Considerations
§ OAM issues
§ Traffic Management Issues
§ Complicate charging and accounting
§ Killer application
§ Profit model
INJE univ . C&C Laboratory
ITU-APT Regional Seminar
Thank you.
INJE univ . C&C Laboratory