Copyright (C) 2008 Nippon Telegraph and Telephone Corporation. All rights reserved. 1
International Institute of Communications2008 Annual Conference in Hong Kong
NTT’s Next Generation NTT’s Next Generation Network DevelopmentNetwork DevelopmentNTT’s Next Generation NTT’s Next Generation Network DevelopmentNetwork Development
Takashi Ebihara
Next Generation Network Office Technology Planning Department
Nippon Telegraph and Telephone Corporation
November 2008
Copyright (C) 2008 Nippon Telegraph and Telephone Corporation. All rights reserved. 2
Agenda
• Broadband Deployment in Japan
• NTT’s NGN Development
– Key Features of NGN
– Deployment Plan
– Open Innovation through NGN
• Conclusion
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0
5
10
CATV
15MBroadband Mkt Share
29M
42%
CATV13%
45%
32%
41%27%13M
ADSL
FTTH
NTTWEST
NTTEASTOthers
Broadband Deployment in Japan
As of Jun 08 (Source: MIC)
FTTH Mkt Share
JUN 03
DEC 03
JUN 04
DEC 04
JUN 05
DEC 05
JUN 06
DEC 06
JUN 07
DEC 07
JUN 08
Annual Growth<Jun 07 Jun 08>
FTTH: +35%FTTH: +35%
AADSL: -11%DSL: -11%
ADSL
FTTH 12M
4M
13M
CATV
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3G Mobile Deployment in Japan
Source: Telecommunications Carriers Association of Japan
20
40
60
80
100M
2004 2005 2006 2007As of Dec 07
下り 3.6Mbps 上り 384Kbps
833M<83%>
172M<17%>
HSDPA launched by NTT Docomo in Aug 06
3G
2G
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Why NGN Now?
DependableSocial
Infrastructure
New Business OpportunitiesProductivity Enhancement
Agility to Market
Safe & SecureMore Fun
More Convenient
Society
Business Individuals
Economic GrowthEmerging Social Issues
<Aging, Medical & Health Care, Education, Disaster Management etc.>
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Background of NGN Development
NTT GroupIncreasing Internet traffic
Emerging converged services
Maturing IP technology
Standardization activities
Market & Technology
Secured full IP NetworksSecured full IP Networks
Revenue Generation thru new service
Simple & economical networks
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Key Features of NTT’s NGN
NGNNGN
Open InterfacesOpen InterfacesEnhanced ReliabilityEnhanced Reliability
Increased SecurityIncreased SecurityService Quality AssuranceService Quality Assurance
One of the world-first NGNs commercially implementedCombining the advantages of traditional telephone networks and
IP-based networks
One of the world-first NGNs commercially implementedCombining the advantages of traditional telephone networks and
IP-based networks
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UNIEdge Node
Call Admission Signal
Network Control Server
Core NetworkOptical Access
NGN
Three prioritized classes to fulfill variety of customer needs e.g. -High-Definition TV conference
-7KHz high-quality voice telephony-Retransmission of over-the-air TV programs
Three prioritized classes to fulfill variety of customer needs e.g. -High-Definition TV conference
-7KHz high-quality voice telephony-Retransmission of over-the-air TV programs
1. End-to-end Quality Assurance
Top Prioritized
High Prioritized
Prioritized
Best Effort
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2. Increased Security
Blocking spoofing and unauthorized access
- Unique NGN circuit ID is allocated and checked for spoofing protection - Blocking unauthorized access and unwanted traffic at edge nodes
Blocking spoofing and unauthorized access
- Unique NGN circuit ID is allocated and checked for spoofing protection - Blocking unauthorized access and unwanted traffic at edge nodes
Edge node
Control signal
Voice & Data
Unauthorized access
spoofing
Network Control Server
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3. Enhanced Reliability
Designed to be as reliable and stable as traditional telephone networks
- Network architecture with scalability to tens of millions customers
- Reliability enhanced with redundancy and management capabilities etc.
Designed to be as reliable and stable as traditional telephone networks
- Network architecture with scalability to tens of millions customers
- Reliability enhanced with redundancy and management capabilities etc.
Core network
Edge network
Core node
Edge node
Network control server
Redundancy in architectureRedundancy in architecture
Traffic control in case of congestedTraffic control in case of congested
Prioritize critical communications in times of disasters
Prioritize critical communications in times of disasters
Non-prioritized Communications
Prioritized Communications
Traffic Control SystemTraffic Control System
・・
・
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4. Open Interfaces for Innovation
Open access to NTT’s NGN by publishing interconnection interfaces
- Creates eco-system for a rich diversity of new businesses and services
- Enables collaborative partners to develop new innovative business models that best utilize NGN
Open access to NTT’s NGN by publishing interconnection interfaces
- Creates eco-system for a rich diversity of new businesses and services
- Enables collaborative partners to develop new innovative business models that best utilize NGN
VoD
SNISNINNINNI
UNIUNI
Other NGNOther NGN
Ethernet service providersEthernet service providers
Internet service providersInternet service providers
IPbroadcasting
IPbroadcasting VODVOD
TelephoneVideophoneTelephone
VideophoneISP
accessISP
access IntranetIntranet
IP broadcast
NGN
HGW
Multicast Unicast
Interactive(inside network)
Interactive(network-to-network)
Internetconnection
Ethernetservice
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NGN Deployment Plan
Mar 08: NGN commercial launch in Tokyo & OsakaMar 08: NGN commercial launch in Tokyo & Osaka
Mar 2008End of FY2010End of FY2008
FY 2010: Expand to entire current fiber access areasFY 2010: Expand to entire current fiber access areas
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Evolution of NGN in Future
Expand NGN service area to current fiber access service area
FY 2010 FY 2012FY 2008
NGN + LTENGN + LTE<Full IP Network><Full IP Network>
NGN + LTENGN + LTE<Full IP Network><Full IP Network>
● 地域IP網からNGNへのマイグレーション完了NGN <fixed>NGN <fixed>
++3G Mobile3G Mobile
NGN <fixed>NGN <fixed>++
3G Mobile3G Mobile
Full-fledged Full-fledged Service Service
ConvergencConvergencee
Full-fledged Full-fledged Service Service
ConvergencConvergencee
FY 2011FY 2009
LTE to be launched
20 M FTTx subs (10M NGN subs)
Migration from existing IP network to NGN to be completed
Creating and rolling out broadband and ubiquitous services in line with customer needs by leveraging full-IP network infrastructureCreating and rolling out broadband and ubiquitous services in line with customer needs by leveraging full-IP network infrastructure
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Broadband Ubiquitous Society
Mobile
HomeBusiness
Telepresence
Presence
Mobile broadcasting
IPTV N-VOD
Digital cinema
Virtual cohabitation & Virtual officeBroadband
Ubiquitous Society
Home control
7-khz high-quality telephony
Mobile Computing
Femtocell
One-number phone
Telemedicine
Digital signage
Metaverse (Virtual space sharing)
Healthcare
SaaS
Telework
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Joint-Development of Innovative Services
Internet
NGN
ApplicationPlatform
SNISNI NNI
user
Broadcasting FinanceConsumerElectronics
Collaboration with other industry partners
UNI
A variety of IP-enabled devices
ISPISP
Videodistribution
Open Innovation&
Value Creation
Other NGN, etc
New collaborative opportunities by the NGN’s open interfaces so as to create new applications that best utilize NGNNew collaborative opportunities by the NGN’s open interfaces so as to create new applications that best utilize NGN
Medicine AdvertisementEducationHealthcare
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Next-Generation Services Joint-Development Forum
Service Creation & Business Development
Next-GenerationServices
Joint-DevelopmentForum
Business Partners
Info & Environment Incubation Support
Biz & Tech Seminar Marketing & Technology Consulting
NGN Test Beds
NTT’s R&D InputsExhibition Space
Value-added Interfaces
Capital
- Joint-development with business partners from various industries- Eco-system for service creation & business development- Joint-development with business partners from various industries- Eco-system for service creation & business development
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Conclusion
FTTH > ADSL & 80+% 3G penetration
Time to go for NGN to leverage ultra-fast access
NGN: Taking best parts of PSTN and IP networks
Reliable, Secure, Service Assurance & Open Interfaces
20M fiber access by FY2010 and
complete NGN migration by FY2012
Various collaborative opportunities for service creation
Conducive to tackling social issues