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IP Telephony and Next Generation Network

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					International CQR Workshop 2006
June 9, 2006, London, UK


      IP Telephony and
   Next Generation Network

                 Koichi Asatani
                  Kogakuin University
   Where We Are Standing

• FTTH 265k        3.4M
• ADSL -22k        5.7M
• 3G  1,448k      22.0M
• 2G   -963k       28.6M
             March 2006

                           2
            Global Access Arrangements
Number of access lines
(Billion)
     3
                                                           Cable

     2
                                                           Wireless



     1
                                                            Wired


     0
      1898       1918    1938   1958     1978   1998    2018
                                  Year                 Source: ITU
                                                                     3
      Global Broadband Penetration
Subscribers
                                                                          (%)
18,000,000                                                              80

16,000,000          DSL                                                 70
                    Cables
14,000,000
                    FTTH                                                60
12,000,000          BB Penetration
                                             1.8M                       50
                                           →2.2M@
10,000,000
                                          end of 2005
                                                                        40
 8,000,000                             4.64M@
                                      end of 2005
                                                                        30
 6,000,000

 4,000,000
                                                                        20

 2,000,000                                                              10

        0                                                               0
              USA   UK   France      Germany        Korea    Japan

                                                            Source :Information &
                                                        Communications in Japan 2005,
                                                           InfoCom Research ,Inc.       4
Broadband in Japan




                     5
                  Global International Call Growth
Billion Minutes

 250


 200


 150


  100


   50
                                                                                                    Total Traffic (PSTN+VoIP)
       0
           1985




                                                                                                    VoIP
                          1990




                                             1995




                                                                                             S1
                                                                 2000



                                                                                                  Note: Forecasted Data for
                                                                                      2005
                                                                                                  2003 and after

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

                                                                                                                              6
              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
Million
      900

      800

      700

      600

      500

      400

      300

      200

      100

          0
              Dec. 2003   March 2004    June 2004   Sept 2004   Dec.2004
                                  *1   MIC
                                  *2   INFONETICS RESEARCH Press Release, 2/22 2005.
                                  *3   http://www.itfacts.biz/index.php?id=P2589
                                  *4   March 2005                                      7
    Evolution in Networks and Applications
                  Analog Telephone
  Telephone           Network


     FAX
                  Digital Telephone     Packet Switched
                      Network              Network                          ftp telnet
    Data                                                     ARPA             e-mail
communications

                              ISDN                                           WWW
                                                          Internet
Internet access
                                      SDH                                  IP Telephony
                  B-ISDN              ATM
                                      FR                             NGI    Broadband
                                                  FWA ADSL                  Streaming
                                                 nGWL FTTH


                      Voice           sound       Video   Mutlimedia
                                                                           NGN
                               Burst, Streaming
                                                          P2P
                               Unicast, Multicast



   Telecom                                                                   Internet
  Applications                        Network Evolution                     Applications

                                                                                           8
           Definition & Features of NGN
Packet-based network
Use of multiple broadband, QoS-enabled transport technologies
Independency between service-related functions & transport technologies
Unfettered access to networks & to competing service providers/services
Generalized mobility allowing consistent and ubiquitous provision of services


                               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
                                             Manageable Broadband
  Multiple-Broadband
                                                               Source: Rec.Y.2001
                                                                                    9
Next Generation Networks (NGN)

                                                                                     Video Services (TV, movies, etc.)
                                                                                 Data Services (WWW, e-mail, etc.)
(Any/All Applications                                                                 Telephone Services
e.g., voice, data, video)
Anything and                                                      NGN Service-Related Functions
Everything
                                                                               “Service Stratum”
 Internet Protocol
                               Scope of
         (IP)                    the
                               Internet                            NGN Transport Functions
  Everything
(Any and All Network
Technologies)                                                           “Transport Stratum”




     Source: ITU-T Recommendation Y.2011 — General principles and general reference model for next generation networks
                                                                                                                         10
               Release Approach for NGN
Services and
Capabilities

- Ubiquitous                                               NGN Release 3
                                                            -RFID
services
                                      NGN Release 2
- Streaming                            -Entertainment
                                       -Home Networks
services
                                                             Enhencement
                                                              to Release 2
                 NGN Release 1           Enhancement          Capabilities
-Multimedia       -Multimedia             to Release 1
                  -PSTN/ISDN              Capabilities
-PSTN/ISDN         Emulations
Emulations


                                Mid of 2006        Mid of 2007?     End of 2008

                                                                                  11
       Network Operators’ View

• All IP Telephony Networks
  Construction & Operation Cost Reduction
• Broadband & Ubiquitous Services
   Revenue Shft
• FMC & Triple Service
   Survival Leverage under Competition
• New Business
   Increase in ICT Market


                                            12
              Customers’ View
• 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


                                                    13
Transport and service configuration of the NGN
                                                           Applications
                       Service Stratum
                                      Application Support Functions and Service Support Functions
                                                      Application Functions

                                                                                                   Service
                                         S. User                Other Multimedia Service           Control
                                         Profile                    Components …                  Functions
                                        Functions
                                                                     Streaming Service
                                                                     Component
                                                                       PSTN / ISDN Emulation
                                                                         Service Component




                                                                                                                Other Networks
                                                                                                                Other Networks
                                                                                                                Other Networks
                                                                                                                Other Networks
                                                                        IP Multimedia Component
                                                                               IP Multimedia
                                                                        &PSTN/ISDN Simulation
                                                                            Service Component
                  GW
       Legacy
      Terminals
                                     Network Attachment
                                       Network Access              Resource and Admission
                           User
                        T. User
                  GW
                                       Control Functions
                                    AttachmentFunctions              Control Functions
                        Profile
                         Profile           (NACF)                         (RACF)
       Legacy                              NAAF
                        Functions
                        Functions
      Terminals


      Customer
      Networks                  Access Network
                                Access Transport                            Transport
                                                                       Core transport
                                   Functions
                                    Functions                            Functions
                                                         Edge
                                                       Functions
        NGN
      Terminals
                                                                                Transport Stratum
     End-User
     Functions              * Note: Gateway (GW) may exist in either Transport Stratum or                     Y.NGN-FRA Figure 8 -
                                     End-User Functions.
                                                                                                                                 14
                  NGN example of service domains

                                                                                                       1 : IMS services
                                                                                                       2 : Non SIP service
                                                                      Internet   Internet
                                                                                                       3 : Internet service
                                                                      Services   Services
                                                                      Internet
          2              Operator A       Non-SIP
                                          Services                                                         Operator B
    3
                                  Core Network
                     Access                     IMS      Firewall                           Core Network          Access
1       Laptop       Network                  Services              Transit                   IMS                 Network
                                                                                            Services
                                                                    Network
              IP Connectivity         Core Transport                  Transit                  Core Transport       IP Connectivity
              Access Network             Network                      Network                     Network           Access Network




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



                                                                                                                                      15
                  IP-based network performance

                 Nature of
Performanc        Network                                         Class                        Class
                                    Class 0   Class 1   Class 2            Class 4   Class 5            Class 7
e Parameter     Performance                                         3                            6
                 Objective

              Upper bound on
  IPTD                              100 ms    400 ms    100 ms    400 ms     1s        U       100 ms   400 ms
              the mean IPTD

               Upper bound on
              the 1-10-3 quantile
  IPDV         of IPTD minus        50 ms     50 ms       U         U        U         U       50 ms    50 ms
                the minimum
                    IPTD


              Upper bound on
  IPLR         the packet loss      1*10-3    1*10-3    1*10-3    1*10-3   1*10-3      U       1*10-5   1*10-5
                 probability


  IPER          Upper bound                             1*10-4                         U       1*10-6   1*10-6


                                                                               Source:Y.1541
                                                                                                                 16
NGN-related Standardization Organizations

                 ITU

                               TTC

    ATIS                       TTA

                               CCSA

    USA           ETSI
               TISPAN   3GPP   Asia
     IETF
                  Europe

                                        17
Next 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


                                              18
Next 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

                                             19
                 Objectives

• Leading ICT by 2010
• through all IP-based networks
• maintaining security, reliability and
  interoperability
• providing safe and convenient services




                                           20
21
                           Structure
     Next Generation IP Network
          Promotion Forum
Chair: Prof. Tadao Saito (University of Tokyo)


                                     Technology Group
                         Chair: Prof. Shigeki Goto (Waseda University)



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



                             Planning and Promotion Group
                             Chair: Dr. Yuichi Matsushima (NICT)

                                                                           22
                  Issues

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




                                             23
                     Nationwide Test Bed JGN II
                             NW Management
                     NW -A : NW 運用管理技術の研究開発

                                金沢
                                Kanazawa
             福岡
             Fukuoka                                              大手町
                                                                  Otemachi

                                      10 G (1G × 8)                                                          札幌
                                                                                                             Sapporo
                          堂島
                          Dojima

                                                                           Interconnection
                                                                     GMPLS 相互接続技術
                  北九州
            産学 ITKitakyushuKanazawa
                              金沢                                           鹿島
                                                                      NICT Kiajshma
                         堂島
                        Dojima
          福岡
          Fukuoka
                                                                                                             1G
                  岡山
                  Okayama       当初 10 G ベース

                                        けいはんな
                                   NICT Keihanna                        つくば
                                                                        Tsukuba


               NW-B : テラビットクラス実現のためのテストベッド
                      Test bed for tera bit
                                                                                                                  仙台
                                                                                                                  Sendai
                 北九州 ITセンター
            NICT Kitakyushu
                                                              金沢
                                                              Kanazawa                              1G
              10 G                                                                       長野
                             10 G                                                        Nagano                     鹿島
                                                                                                               NICT Kashima
   福岡
Fukuoka                                  NICT 神戸
                                              Kobe                                       1G
                           (1G × 8)                      10 G          10 G       10 G               10 G
                                      10 G       1G    (1G × 8)      (1G × 8)
                         10 G                                                                      10 G     NICT つくば RC
                                                                                                            NICTTsukuba RC
                                                        堂島
                                                        Dojima               NICT 小金井
                                岡山
                                Okayama                                           Koganei
                                                                       10 G × 2                 光                  大手町       つくば RC
                                      1G        光     10 G    1G                                              堂島
                       高知
                       Kochi
    1G                                                       名古屋
                                                             Nagoya                            G
                                                                                              大手町
                                                                                              Otemachi
                                                                                                   大阪堂島               NICT
                                                けいはんなセンター
                                           NICT Keihanna Center
                                                                                                               けいはんなセンター
 沖縄
 Okinawa                                                                                 光 NW : 物理的な検証も可能な光テストベッド100km
                                                                                              Source:NICT
                                                                                                                                      24
Thank you!

				
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