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									International Telecommunication Union




             IP-enabled services/applications towards Next
                      Generation Networks-NGN,
                  e-Strategies - “Triple Play” solution

                                     IP Symposium for ASP
                                    UNCC Bangkok, Thailand

                                      29-30 November 2005




                                                                                           Désiré KARYABWITE
                                                                                                  IP Coordinator,
                                                                                                E-Strategies Unit,
                                                                                 Email: desire.karyabwite@itu.int
                                                                       Tel: +41 22 730 5009 Fax: +41 22 730 5484
The views expressed in this paper are those of the author and may not necessarily reflect the opinions of the
ITU or its membership..
    International Telecommunication Union

                     Table of Contents

     1. Introduction: E-Strategies
     2. Challenges of Change: IP Telephony,
        Broadband and Interconnections, the high
        way for Telecom operators
     3. Strategy for a smooth migration from
        circuit-switched networks to packet-
        switched networks
     4. Conclusion


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     1. INTRODUCTION
      E-Strategies (WTDC 2002 Istanbul)
      Mission: Assist developing countries in harnessing the potentials
         of ICTs to contribute towards reducing the social divide,
         improving the quality life, promoting universal access and
         facilitating entry into the information society. In all actions,
         take into account the needs of rural, isolated and poorly
         served areas and people with special needs (Gender, Youths
         and Indigenous People).



      World Telecommunication
      Development Conference
      7 to 15 March 2006 (Doha, Qatar)



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       Priorities
       •Providing assistance in technical and policy aspects
       of Internet Protocol (IP).

       •The ITU Plenipotentiary Conference
       (Marrakech in 2002) :
       to discuss policy, operational and technical
       issues on the Internet in general and the
       management of Internet domain names and
       addresses in particular for the benefit of
       Member States.




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        Technology and application interaction



                                             Multichannel
                                             Broadcast TV
        Fiber, PLC                        Audio/Video
                                          Streaming
       DSL, Cable,
          PLC
                                       WWW MP3
                     V.90
                                       E-mail, Chat, SMS

                      V.34


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     2. Challenges of Change: IP Telephony,
          Broadband and Interconnections, the high
          way for Telecom operators
       2.1 Interconnections are Key issues
                                          Direct connection




              ISP 1
              Cloud                                                      ISP 2
                                                                         Cloud




                                                 IX

                              Interconnecting via third party operated   ISP 3
                ISP 4                Internet Exchange Point


       Economy of scale advantages through interconnection over an IX:
       - cost for maintenance and administration
       - cost for equipment
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      Two different types of interconnections; peering and transit.


             Peering:
             is an interconnection business
             relationship whereby ISPs provide
             connectivity to each others´customers


             Transit:
             From an ASP (Access Service Provider)
             to ISPs. The Internet business in most
             Countries is mainly based on transit
             bandwidth...
             It is the business relationship whereby
             one ISP provides (usually sells)
             access to all destinations in its routing
             table.

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        ISPs : From Transit to Peering in order to improve
        and optimize the network efficiency/quality




             Transit Provider / Access Service Provider




                 Transit = $$$, ~3 s                    Transit = $$$, ~3 s




             ISP 1                                                      ISP 2


8                                      Peering = $, ~3 ms
    International Telecommunication Union
                     2.2 The growth of VoIP


        • At the start of 2004, there were more
        than 102 million broadband subscribers in
        about 100 countries where broadband
        services were available.
        •Republic of Korea was the leading
        economy at the start of 2004, with 23.3
        broadband subscribers for every 100
        inhabitants.
        •In terms of absolute number of
        subscribers, the United States was the
        largest single broadband market at the
        start of 2004, with over 25 million
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        subscribers.
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        •China added 11 million new broadband users
        in 2003 to reach 13.5 million, and at current
        rates of growth, it was expected to overtake
        the United States by year-end 2004 as the
        economy with the most broadband users.
        (China had already overtaken the United States in terms of fixed lines in 2002 and
        mobile phones in 2001).



        •Vonage and Skype are some of the companies
        that are active in the VoB market. Vonage
        markets a flat-rate calling plan (unlimited calls
        in North America for USD 24.99) per month and
        international virtual numbers which allow for
        international calls to and from the United States
10      at local call rates.
        Skype in partnership with Colt, Level 3, Teleglobe or iBasis
     International Telecommunication Union

        2.3 Changing business models




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      Voip Buster : www.voipbuster.com

                                    Initial charge 5
                                    euros and Free :
                                    Austria, Denmark,
                                    Finland, Germany,
                                    Greece, Ireland,
                                    Luxembourg,
                                    Netherlands,
                                    Norway, Spain,
                                    Sweden,
                                    Switzerland,
                                    United States.
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      IP Telephony: ITU-T H.323 deployment scenarios




         •The Gateways (GW) provide many services, the most common being a translation function
         between H.323 conferencing endpoints and other terminal types.

         •A Gatekeeper (GK) is the most important component of an H.323-enabled network. It acts as the
         central point for all calls within its zone and provides call control services to registered
         endpoints.
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         •Multipoint Control Unit (MCU) supports conferences between three or more endpoints
     International Telecommunication Union




        •Output to VoIP via E1 digital
        trunk from PSTN lines
        •Conversion from standard analog
        subscribers to E1
        •Fixed-to-mobile conversion
        •Connecting old PBX to digital
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        trunks
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        2.4 Security issues in Multimedia and VoIP




          Security threats in Multimedia communications
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     • User and terminal authentication
     • Server authentication
     • User/terminal and server authentication counter-
       security threats, such as masquerade, man-inthe-
       middle, IP address spoofing and connection
       hijacking.
     • Call authorization is the decision-making process
     • Signalling security protection addresses protection
     • Voice confidentiality is realized through encryption
       of the voice packets
     • Key management
     • Interdomain security deals with the problem that
       systems in heterogeneous environments have
       implemented different security features because
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       ITU-T Recommendation H.530 covers such
       security needs by addressing security aspects
       as:
       •– Mobile terminal/user authentication and
       authorization in foreign visited domains.
       •– Authentication of visited domain.
       •– Secure key management.
       •– Protection of signalling data between a
       mobile terminal and visited domain.


       In addition to H.235, H.350 and H.350.2
19     provide for scalable key management
     International Telecommunication Union
       3. Strategy for a smooth migration from circuit-switched
                 networks to packet-switched networks
      3.1 IP-based Network development




      COSTA RICA
      IP Network Covering the full territory of the country

20    100’000 customers (IP penetration : 0.4 per habitant)
     International Telecommunication Union
             3.2 Next Generation Networks
                                 NGN
           Structure of the Focus Group on Next Generation
                          Networks (FGNGN)



       Working Group                            Area
           WG 1        SR (Service Requirements) Group
           WG 2        FAM (Functional Architecture and Mobility) Group
           WG 3        QoS (Quality of Service) Group
           WG 4        CSC (Control and Signalling Capability) Group
           WG 5        SeC (Security Capability) Group
           WG 6        Evo (Evolution) Group
           WG 7        FPBN (Future Packet-based Bearer Networks) Group



             http://www.itu.int/ITU-T/ngn/fgngn/structure.html

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                 3.3 Convergence Aspects




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        Business Strategies : “Triple Play”
             -VoIP
             -Video
             -Data
             (EoIP for Everything on IP)




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     Italian Case Study: “FastWeb”

     -2000, proposed “Triple Play” Solution (VoIP,Internet and Video)
     -Main cities: Milano, Roma, Gênes , Torino, Naples,
             Bologna, Rimini, Modène).
     - ADSL (Down Stream 4 Mb/s and 512 kbits/s
             upStream) for « triple play ».
     -FastWeb belongs to e.Biscom(italian Compagny)
     -Investement 1,9 billion Euros (2000-2003)
     -PPP Investors (Milan city, Power compagnies AEM-
             Azienda Energia Milano).
     -Infrastructure belongs to Metroweb (a joint-venture
             e.Biscom/AEM).
     - FastWeb is responsible for Business Management
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      •330’000 subscribers (2003)
      •131’500 Subscribers in (2002).
      •1’000 subscribers every day (70 % for Triple Play
      with no limitation for national Communication,
      Video communication(10 Mbit/s, no time and
      volume limitation)
      •Price 110 euros/m (USD 145) + 95 euros for the
      installation.
      • For TV Option: Contracts with (RAI- italian
      TV, Mediaset and La7). Access to BBC
      World, Bloomberg, RAINews 24 ou RAISat
      Sport and other sports. Access to VoD (Video
      On Demand). 4 to 6 Euros/film
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     International Telecommunication Union
         • VoIP calls: 3,5 millions on FastWeb’s
               Network
         • 20 % of the subscribers use the
               videocommunication (represents
               34 % of the total Traffic)
         •The Revenue Average is 790 euros/year +
               130 euros (VoD) / Sub.
         •Technologies Partners include : Cisco
               System, Pirelli, Telsey (gateways
               and terminals), Alcatel, Marconi
               and NetCentrex ( for VoIP and
               videocom)
         • National Strategy for the moment
26       •Positive cash flow expected in 2005
     International Telecommunication Union

          3.4 Key strategic issues to be analyzed
        Legal interception
        Some regulatory agencies fear that voice over
        broadband services may open the way to ill-
        intended users to hide behind anonymity to
        conduct illegal activities (for example, drug
        dealing or terrorism). If the service is non-
        licensed, then it may be difficult for legal
        authorities to trace, or monitor, suspicious calls.

        Taxation Model
        It may be inefficient to tax only licensed
        operators, because this will encourage those
27      licensed operators to shift more of their traffic
     International Telecommunication Union


       Interconnection payments
       The completion of a long-distance or
       international call typically requires the
       cooperation of two or more PTOs, at
       the origin and destination of the call and
       for transit. The PTO handling call
       termination and transit may require
       interconnection payments from the
       originator of the call.



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     International Telecommunication Union

        Policy and Administration of IXP
        The decision to be made is on having Bi-lateral or
        Multi-lateral peering agreements to rule over the traffic
        exchange over the IX:
        1. Multi-lateral peering agreement implies that all
           connected ISPs must peer with all other ISPs
           connected to the IX, on the same conditions.
        2. Bi-lateral leaves it to the ISP to decide with whom
           to peer and on what conditions, but they must
           have peering agreements with at least two if they
           want to use the IX.

       Documents                               Procedures
        Policy of IXP                          Joining

        Connection agreement                   Termination

        Service definition                     Payment of fees

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     International Telecommunication Union

      Access technologies and QoS




     Open standard : DVB-RCS (Digital Video Broadcast - Return
     Channel System) (up to 8 Mbps downstream and up to 2 Mbps
     upstream or ….).
         Class 1 (0 to 150 ms for really time com) Tel. Com
         Class 2 (150 to 300 ms) bi-directional not really time
         Class 3 (300 to 700 ms) half-duplex
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         Class 4 (> 700 ms) mil radio …
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             Satellite Interconnections: DVB-OBP




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            Mbit/s




                                                                      Meters


             ITU -T G.993.x VDSL2 (Very high speed digital subscriber line 2 -
                                                VDSL2)
             ITU -T G.993.1 VDSL (Very high speed Digital Subscriber Lines) technology
           permits the transmission of asymmetric and symmetric aggregate data rates up
           to tens of Mbit/s on twisted pairs. G.993.1 is an access technology that exploits
          the existing infrastructure of copper wires that were originally deployed for POTS
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     International Telecommunication Union

                            IP Connectivity and PLC
                            (Power Line Communication)

                                     Transformer (MV/LV)
                                     (10-30KV/ 0.4-0.110KV)   Medium Voltage Cable


            Transformer Station
                 (HV/MV)
            (110-380/10-30KV)




      Fiber
      Backbone

                                  Low Voltage Network

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      Optical Cables over Power Line: Multi-
      stakeholders approach




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                    c r                   o
               Phys i al e pr e s e nt at i n

                             I P
                                 e
                           r out r

                                                         d
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                                 r
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                                  c
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                                                          c
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                                                                                               d     d a p                   c
                                                                                              Vi e o / a t / h o n e s e r v i e s
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                   d
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                                                                                                      di t i ut n
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                                               I P
                                                   e
                                             r out r          e           c i o
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                                                              w
                                                          ne t or k
                                                                                            b
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                                d
                               Vi e o

                               s e r ve r                                                             b
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                                                           b
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                                                                                                                                                         E
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                                                                                                               or c oa x
                                                                                                                                              b     oh
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       Fibre access scenario                                                                                                                  b     oh      l n
                                                                                                                                                            d
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                                                                                                                                                     m     b l n
                                                                                                                                                               d
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                                                                                                                                                             D
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                                                                                                                                                             E
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                                                                                                                                                             F
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                                                                                                                                                             D
                                                                                                                                                                 Phone

                                                                                                                                                             E
35                                                                                                                                                                 TV

                                                                                                                                                             F     PC
     International Telecommunication Union

      4. Conclusion

       Data traffic is growing more (10 times) compared to
       the voice traffic and as a consequence, the past
       concept of telephone networks, which also carry data
       might be replaced by the concept of data networks
       that also carry voice.
       In this regard, seam-less interworking between IP-
       based networks and PSTN and the interoperability of
       their respective applications or services is essential in
       meeting the business requirements placed on modern
       communication networks.


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     International Telecommunication Union


      •   Best practices for DNS and IP addresses
          Management
      •   Governing Law and Dispute Resolution
      •   Clear responsibilities IXP/ Member
          Responsibilites
      •   Clear Membership policy and Connection
          to IXP
      •   Fees
      •   Clear Corporate Strategies
      •   Clear Business Strategies


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     International Telecommunication Union




               Thank you for your Attention

         For more details: www.itu.int/itu-d



             Désiré KARYABWITE
             IP Coordinator,
             E-Strategy Unit,
             Email: desire.karyabwite@itu.int
             Tel: +41 22 730 5009 Fax: +41 22 730 5484




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