IP Telephony and IP Telephony and Next Generation NetworkNext Generation Network

Koichi AsataniKoichi AsataniKogakuin UniversityKogakuin University

International CQR WorkshopInternational CQR Workshop 20062006

June 9, 2006, London, UKJune 9, 2006, London, UK

2

Where Where We Are StandingWe Are Standing

• FTTH 265k 3.4M• ADSL -22k 5.7M• 3G 1,448k 22.0M• 2G -963k 28.6M

March 2006

3

Global Access ArrangementsGlobal Access ArrangementsNumber of access linesNumber of access lines（（BillionBillion））

18981898 20182018

11

33

22

00

WiredWired

CableCable

WirelessWireless

19581958 19781978 199819981938193819181918YearYear Source: ITUSource: ITU

4

Global Broadband PenetrationGlobal Broadband Penetration

Source :Information & Communications in Japan 2005,

InfoCom Research ,Inc.

0

2,000,000

4,000,000

6,000,000

8,000,000

10,000,000

12,000,000

14,000,000

16,000,000

18,000,000

USA UK France Germany Korea Japan

0

10

20

30

40

50

60

70

80

Subscribers(%)

4.64M@end of 2005

1.8M→2.2M＠

end of 2005

DSLCables

BB PenetrationFTTH

5

Broadband in JapanBroadband in Japan

6

S1

0

50

100

150

200

250

1985

200520

00199519

90

Global International Call GrowthGlobal International Call Growth

source: http://www.dri.co.jp/auto/report/telegeo/telegeotg04.htm

Total Traffic (PSTN+VoIP)

VoIP

Note: Forecasted Data for 2003 and after

Billion Minutes

7

VoIP Penetration VoIP Penetration •Japan：7.83 M(End of 2004*1)•USA： 1.10M *2

•Germany:0.11M, France:0.22M, UK: 50Th*3

•Skype： 29M, SkypeOut 1M*4

*1 MIC *2 INFONETICS RESEARCH Press Release, 2/22 2005.*3 http://www.itfacts.biz/index.php?id=P2589*4 March 2005

0

100

200

300

400

500

600

700

800

900

Dec. 2003 March 2004 June 2004 Sept 2004 Dec.2004

Million

8

Evolution in Networks and ApplicationsEvolution in Networks and Applications

WWW

NGI

Internet

ARPA

Packet SwitchedNetwork

B-ISDN

ISDN

Digital TelephoneNetwork

Analog TelephoneNetwork

ftp telnet e-mail

Internet access

Datacommunications

Telephone

BroadbandStreamingADSL

FTTHFWA

nGWL

NGNNGNBurst, StreamingUnicast, Multicast

Voice sound Video Mutlimedia

FRATM

P2P

Network EvolutionTelecomApplications

InternetApplications

SDH

FAX

IP Telephony

9

Packet-based networkUse of multiple broadband, QoS-enabled transport technologiesIndependency between service-related functions & transport technologiesUnfettered access to networks & to competing service providers/servicesGeneralized mobility allowing consistent and ubiquitous provision of services

Source: Rec.Y.2001

Target Standards Area

Generalized Mobility Convergence btw. Fixed & Mobile

Unrestricted Access Open Access I/F

Separation Services with Transport Architecture and Open API

QoS-enabled Transport

Multiple-BroadbandManageable Broadband

Definition & Features of NGNDefinition & Features of NGN

10

Next Generation Networks (NGN)Next Generation Networks (NGN)

NGN Transport Functions

NGN Service-Related Functions

Telephone Services

Data Services (WWW, e-mail, etc.)

Video Services (TV, movies, etc.)

Internet Protocol

(IP)

Anything andEverything

Everything(Any and All Network Technologies)

(Any/All Applicationse.g., voice, data, video)

Scope of the

Internet

“Service Stratum”

“Transport Stratum”

Source: ITU-T Recommendation Y.2011 — General principles and general reference model for next generation networks

11

NGN Release 3-RFID

NGN Release 2-Entertainment-Home Networks

NGN Release 1-Multimedia-PSTN/ISDNEmulations

Services and Capabilities

Mid of 2006

Enhancement to Release 1Capabilities

Enhencementto Release 2Capabilities

Mid of 2007? End of 2008

-Multimedia-PSTN/ISDNEmulations

- Streamingservices

- Ubiquitous services

Release Approach for NGNRelease Approach for NGN

12

• All IP Telephony NetworksConstruction & Operation Cost Reduction

• Broadband ＆ Ubiquitous ServicesRevenue Shft

• FMC & Triple ServiceSurvival Leverage under Competition

• New BusinessIncrease in ICT Market

Network OperatorsNetwork Operators’’ ViewView

13

CustomersCustomers’’ ViewView

• Generalized Mobility- FMC Telephony anywhere any time- Enhanced Mobile Phone

• Triple Play: Telephony, Internet, Broadcast- Integrated services over TV, Telephony and PC

• Broadband & Ubiquitous- New applications, e.g., TV conference, Remote

Diagnosis, Logistics management using RFID

14

Transport and service configuration of the NGNTransport and service configuration of the NGN

LegacyTerminals

Note: Gateway (GW) may exist in either Transport Stratum or End-User Functions.

*

LegacyTerminals

Transport Stratum

Service Stratum

End-UserFunctions

Application Functions

Core transport Functions

NGNTerminals

CustomerNetworks

Other N

etworks

Application Support Functions and Service Support Functions

Core TransportFunctions

Other N

etworks

Transport Stratum

EdgeFunctions

Access Transport Functions

ServiceControl

Functions

Network AccessAttachment Functions

NAAF

Network Attachment Control Functions

(NACF)

Access NetworkFunctions

Resource and AdmissionControl Functions

(RACF)User

ProfileFunctions

T. UserProfileFunctions

GWGW

Other Multimedia ServiceComponents …Streaming ServiceComponent

PSTN / ISDN EmulationService Component

IP Multimedia Component&PSTN/ISDN Simulation

IP MultimediaService Component

S. UserProfile

Functions

GWGW

Applications

LegacyTerminals

Note: Gateway (GW) may exist in either Transport Stratum or End-User Functions.

*

LegacyTerminals

Transport Stratum

Service Stratum

End-UserFunctions

Application Functions

Core transport Functions

NGNTerminals

CustomerNetworks

Other N

etworks

Application Support Functions and Service Support Functions

Core TransportFunctions

Other N

etworks

Transport Stratum

EdgeFunctions

Access Transport Functions

Access Transport Functions

ServiceControl

Functions

Network AccessAttachment Functions

NAAF

Network Attachment Control Functions

(NACF)

Access NetworkFunctions

Resource and AdmissionControl Functions

(RACF)User

ProfileFunctions

T. UserProfileFunctions

UserProfile

Functions

T. UserProfileFunctions

GWGWGWGW

Other Multimedia ServiceComponents …Streaming ServiceComponent

PSTN / ISDN EmulationService Component

IP Multimedia Component&PSTN/ISDN Simulation

IP MultimediaService Component

S. UserProfile

Functions

GWGWGWGW

Applications

Y.NGN-FRA Figure 8 -

15

NGN example of service domains NGN example of service domains

TransitNetwork

Internet Operator A

IP ConnectivityAccess Network

Core TransportNetwork

TransitNetwork

InternetServices

InternetServices

Operator B

Core TransportNetwork

IP ConnectivityAccess Network

AccessNetworkLaptop

Core Network FirewallIMS

Services

Non-SIPServices

AccessNetwork

Core NetworkIMS

Services1

32

1

32： IMS services： Non SIP service： Internet service

Y.NGN-FRA Appendix I Figure I.5:

16

IPIP--based network performancebased network performance

U

U

U

U

Class 5

1*10-6

1*10-5

50 ms

100 ms

Class 6

1*10-61*10-4Upper bound IPER

1*10-51*10-31*10-31*10-31*10-31*10-3Upper bound on the packet loss

probability IPLR

50 msUUU50 ms50 ms

Upper bound on the 1-10-3 quantile

of IPTD minus the minimum

IPTD

IPDV

400 ms1 s400 ms100 ms400 ms 100 ms Upper bound on the mean IPTD IPTD

Class 7Class 4 Class 3 Class 2 Class 1 Class 0

Nature of Network

Performance Objective

Performance Parameter

Source:Y.1541

17

NGNNGN--related Standardization Organizationsrelated Standardization Organizations

USA

Europe

ATISTTC

TTA

CCSA

IETF

ETSI

ITU

AsiaTISPAN 3GPP

18

Next Generation IP Network Promotion ForumNext Generation IP Network Promotion Forum

• Established on Dec. 16, 2005• Based on a report from MIC Study Group

on Next Generation IP Infrastructure• To Promote evolution to IP-based Networks

in Japan• Under close cooperation among industries,

government and academia

19

Next Generation IP Network Promotion ForumNext Generation IP Network Promotion Forum

• Membership: operators, vendors and academia

• Study technical standards for Next Generation IP Networks

• Verifies interoperability through experiments

• Promotes R&D and standardization

20

ObjectivesObjectives

• Leading ICT by 2010• through all IP-based networks• maintaining security, reliability and

interoperability• providing safe and convenient services

21

22

StructureStructureNext Generation IP Network

Promotion ForumChair: Prof. Tadao Saito (University of Tokyo)

Technology GroupChair: Prof. Shigeki Goto (Waseda University)

R&D and Standardization GroupChair: Prof. Koichi Asatani (Kogakuin University)

Planning and Promotion GroupChair: Dr. Yuichi Matsushima (NICT)

23

IssuesIssues

• Promotion of R&D and standardization for next generation networks

• Promotion of international cooperation

24

Nationwide Test Bed JGN IINationwide Test Bed JGN II

GG

大阪堂島

100km

NW-A : NW 運用管理技術の研究開発

NW-B : テラビットクラス実現のためのテストベッド

GMPLS 相互接続技術

10 G (1G × 8)

当初 10 Gベース

NICT北九州 ITセンター金沢

10 G10 G

10 G×2

10 G NICTつくば RC

大手町

NICTけいはんなセンター

NICT小金井

10 G

10 G

NICT鹿島

10 G

仙台

札幌

1G

1G

長野

高知名古屋

1G 1G

1G福岡

堂島

10 G (1G× 8) 10 G

(1G×8)

光光

1G

沖縄

10 G

10 G (1G×8)

岡山

NICT神戸

1G

金沢

金沢

福岡

福岡

堂島

堂島

岡山

大手町

産学 IT北九州

NICTけいはんな つくば

NICT鹿島

つくば RC大手町堂島

NICTけいはんなセンター

光NW : 物理的な検証も可能な光テストベッド

NW-A : NW Management

NW-B : Test bed for tera bit

GMPLS Interconnection

10 G (1G × 8)

10 G

NICT KitakyushuITKanazawa

10 G10 G

10 G×2

10 G NICTTsukuba RC

OtemachiNICT Keihanna Center

NICT Koganei

10 G

10 G

NICT Kashima10 G

Sendai

Sapporo

1G

1G

Nagano

KochiNagoya

1G 1G

1GFukuoka

Dojima

10 G (1G× 8) 10 G

(1G×8)

1G

Okinawa

10 G

10 G (1G×8)

Okayama

NICT Kobe1G

KanazawaFukuoka

Fukuoka

Dojima

Okayama

Otemachi

ITKitakyushu

NICT Keihanna Tsukuba

NICT KiajshmaKanazawaDojima

Source:NICT

Thank you!Thank you!