xDSL Teknolojileri ve Uygulama Alanları

1. xDSL Teknolojileri ve Uygulama Alanları Ergin DOĞAN Veri İletişim Şebekeleri Satiş Yöneticisi ergin.dogan@siemens.com.tr Abdullah Özgüven Erişim Şebekeleri Satış Yöneticisi

2. Access Network Definition of Access NetworkBoundaries to core net are becoming fuzzy Fixed Net Mobile Net Twisted Pair Coax Fixed Radio, PMP PLC Core Network PSTN/ISDN, ATM, IP, SDH Access Node NT In-house Net. IAD Residential and SME Interfaces: e.g. V5.x, VB5.x, IP, ATM, (SDH) ... PC, TV IAD Integrated Access Device (Residential Gateway) NT Network Termination PMP Point-to Multipoint Radio PLC Power Line Communications Besides multiplexing, concentration, and transport the access network of the future may include enhanced features, like switching, routing, bandwidth management and security.

3. Subscriber’s ViewDecision of subscribers for a service will be determined by cost, content, support, and existing infrastructure. LMDS PMP Telecom-Satellite Broadband LEO TV Data POTS TV-Satellite Relevance in midterm: MOD POTS Data High TV SAT Wireless local loop Medium Low Data POTS CM local WLL TV Data POTS Coax Cable TV Data POTS FTTH POTS Data Fiber Twisted Pair Residential/ SOHO xDSL NT PLC Data Power Line • Competition of services and applications via different access networks exists. • Several network solutions will coexist.

4. Need of high bandwidth due to content-rich applications Internet explosion The Market demands a solution today More than a billion copper lines deployed today The solution has to be mass deployment with acceptable costs Attane®The Easy Way from Narrowband to Broadband IntroductionWhy xDSL? xDSL is compliant to all of the above. With acceptable costs it takes advantage of the existent cooper telephone access network, providing fast time-to-market and the required high bandwidth.

5. xDSL CPE 1 1 2 2 3 3 Attane®The Easy Way from Narrowband to Broadband IntroductionxDSL infrastructure overview DSLAM MDF xDSLLine 2 copper wire PSTN / ISDN xDSL (data + voice) data voice

6. Attane®The Easy Way from Narrowband to Broadband Network Type: Typical Residential Area Central Office/Colocation Central Office <500 m Overhead or Underground Distribution Point (“Curb”) frequently ducted Scenario Line Frames POTS/ISDN DSLAM CO-based Solution NTs Splitter Copper Distribution Frame Copper DLC/ FITL NTs Splitter Copper Line Frame Multi-service POTS/ISDN and xDSL Edge G/W equipment Fiber (mostly rings) Fiber gradually is replacing the copper plant – firstly by implementing Fiber to the Curb

7. Attane®The Easy Way from Narrowband to Broadband Network Type: Connections to Buildings Central Office/Colocation Central Office <=3 km frequently ducted Distribution Point Scenario CO-based solution NTs Splitter Copper Distribution Frame Copper Line Frames POTS/ISDN DSLAM Edge G/W equipment MTU/ FTTB NTs Splitter Copper Fiber also: (metro) ring Edge G/W equipment Line Frame Multi-service POTS/ISDN/ XDSL FTTH FTTO O-NT Fiber Fiber Distribution Fiber also: (metro) ring Edge G/W equipment Depending on the actual service mix, Fiber to the Building is an economic solution.

8. Attane®The Easy Way from Narrowband to Broadband DSL Technologies and Services Technology VDSL SHDSL ADSL Services/ Bandwidth 1M 2M 6M 10M 14M Fast Internet E-learning Gaming Streaming Media Video Conferencing Virtual Private Networks Multimedia Home Broadcast TV High Speed VPN

9. POTS UP Down ADSL over POTS 4 30 138 1100 kHz ISDN (2B1Q) UP Down ADSL over ISDN kHz 4 90 138 276 1100 POTS UP Down ADSL.Lite kHz 4 30 138 276 550 1100 kHz 1100 Down / Up G.SHDSL 2.3 Mbit/s kHz 4 30 70 138 300 550 1100 Attane®The Easy Way from Narrowband to Broadband xDSL technologies and their specific frequency spectrum

10. DSLAM FITL NGN DSLAM Access Networks ONU OLT ONU Fiber in The Loop system, optimized solution supporting voice and data services via open network interfaces DSLAM solution, supreme solution for the upgrade of an existing access network with broadband services Ideal multi-service access platform for flexible usage of TDM, ATM or IP backbones. Regardless which product is the optimum one for your network,each solution provides ADSL, ADSL.Lite as well as G:SHDSL Attane®The Easy Way from Narrowband to Broadband Product portfolio covering all access network scenarios:

11. Attane®The Easy Way from Narrowband to Broadband NGN Solution

12. Switch STP NGN xDSL Access Applications Residential ADSL.Lite ATM / IP Network Filter hiQ Radius Residential/ SOHO ADSL 10bT NT/Splitter SURPASS hiA Legacy Voice Network Small/medium office 10bT SS7 NT SDSL PSTN / ISDN H.323

13. Attane®The Easy Way from Narrowband to Broadband DSLAM Solution

14. AccessIntegrator Customer Premises SNMP ATM/ 10BT InternetVideo Server PC PC CPE ATM NT Splitter Voice Switch DSLAM System Architecture Central Office DSLAM ADSL M U X ADSL Access Switch STM-1 or E3 ADSL (optional) Splitter CPE Customer Premises Equipment

15. Attane®The Easy Way from Narrowband to Broadband FITL Solution

16. Open IF Open IF PBX Open IF Fiber in The Loop system offering voice, data and broadband services via open network interfaces Residential & SOHO Voice switch (TDM based) Data leased line network (TDM based) FITL ATM network (packet/cell based) Small & medium business Subscribers Access network Core network

17. data concentration (FR/ATM) data concentration (ATM) dynamic voice concentration dynamic voice concentration Flexible system architectureoffers fully system-integrated transmission xDSL fully system- integrated Management system NT ONU Local exchange Transmission System OLT Datanetwork SNU fully system integrated ATM- network PtP, ring, cascaded NT network termination ONU optical network unit SNU service network unit OLT optical line termination fiber, copper, radio Subscribers Remote units Central unit Core network

18. Attane®The Easy Way from Narrowband to Broadband Next Generation Access • Evolution: • Migrate TDM to Broadband • Differentiation: • Best price performance • Easy self-installation • Future-ready • Evolutionary Migration Path • Video over DSL • Benefits: • Investment Protection • Maximize ROA • Quality of Service Control (Switching) Managed IP network Access Trunking Optical network

19. CO CO CO CO CO CO Attane®The Easy Way from Narrowband to Broadband The Narrowband Setup ATM/IP SS7 TDM Traffic Dial-up POTS, ISDN

20. CO CO CO CO CO CO Attane®The Easy Way from Narrowband to Broadband Triple Play with DSLAM Overlays ATM/IP SS7 DSLAM TDM Voice Splitter TV DSL POTS, ISDN

21. CO CO CO CO CO CO Attane®The Easy Way from Narrowband to Broadband DSL plus Voice Aggregation ATM/IP SS7 GR.303V5.x • Integrated Voice/data • 1 card instead of 3(DSL, voice, splitter) • DSL activation by command only Multiservice Access Platform (MSAP) TV DSL POTS, ISDN

22. CO CO CO CO CO CO Attane®The Easy Way from Narrowband to Broadband Multiservice Access Gateway (AGW) ATM/IP Media Gateway Controller To TDM network IP signaling Multiservice Access Gateway (AGW) TV DSL POTS, ISDN

23. CO CO CO CO CO CO Attane®The Easy Way from Narrowband to Broadband Common Modular Architecture SS7 ATM/IP Media Gateway Controller IP signaling Either…MSAP or…DSLAM or… Access Gateway TV DSL POTS, ISDN

24. Agenda • Broadband Market Parts • xDSL Applications (Residential-Business Oriented ) • Triple Play Access Solution Network • Deutsche Telekomand Korea Broadband Story • Discussions

25. OSS SystemsEnterprise IT Appl. (Billing, CRM,CC,) OSS:Operational Support Systems Broadband Market Parts ContentGames, Movies, MusicCourses, Clips DevicesPC, TV, Set top Boxes,Mobile ApplicationsVoD, GoD,E-Learning, Video-con. InfrastructureDSL,cable,satellite ….

26. xDSL : Residential-oriented applications • Fast Internet accesstime-saving, enhanced usage comfort • Entertainment/ leisure distributionlive on-demand multi-media streams, interactive network games • Distance learning and trainingsupplementary education, continuing learning • Multimedia information exchange access to multi-media databases (incl. download) • E-commerce

27. xDSL : Business-oriented applications • Telemedicine access to graphical diagnostics data, specialist consulting • Fast Intranet/Extranet/remote LAN accessinterconnect branch offices to headquarters, remote login to corporate WAN/LANs while keeping LAN-typical performance • Distributed collaborative working, Teleworking intensivehigh bandwidth exchange of multi media data videoconferencing • ... and many more we do not yet imagine but becoming important business factors in the near future

28. Voice Voice over DSL Fast Internet Access Data Video over DSL Entertainment IntroductionTriple Play Access Solution Network Voice, Data, Entertainment on one single copper pair • Excitement for the end user • Revenue opportunities for operators • Electronic business channel for content providers Evolve your infrastructure towards value added networks with Introduction Voice over DSL Fast Internet Access Video over DSL Access Network Summary

29. End-to-End Voice over DSL Solution • Voice over DSL is an opportunity for both ILECs and CLECs to provide voice and data services to end customers without renting or investing in TDM equipment • The most flexible solution for dynamic sharing of Voice and Data • Future-proof investment for migration from TDM networks towards IP-based converged networks • estimated that in the year 2005 world wide about 25 million VoDSL lines are in operation Introduction Voice over DSL Fast Internet Access Video over DSL Access Network Summary

30. Residential SOHO Switch STP SME SS7 PSTN / ISDN End-to-End Voice over DSL SolutionBroadband Loop Emulation Service (BLES) Introduction Voice over DSL Fast Internet Access Video over DSL Access Network Summary Customer CPE Backbone Access Network DSL ATM Uplink IAD ATM Access Network Aggregation Voice Gateway V 5.2 Data Voice Voice and/or Data Network Management

31. IP Uplink ATM Uplink The Future: IP ATM Switch ATM Access Network Aggregation STP SS7 PSTN / ISDN End-to-End Voice over DSL SolutionMulti Service Data Network (MSDN) Introduction Voice over DSL Fast Internet Access Video over DSL Access Network Summary Customer CPE Backbone Access Network Call Feature ServerSignaling Gateway MGCP IP BRAS Residential DSL MGCP IAD SOHO Trunk Gateway SME Data Voice Voice and/or Data Network Management • The future already defined by MSDN ...

32. Triple Play Introduction Voice over DSL Fast Internet Access Video over DSL Access Network Summary Voice Voice over DSL Fast Internet Access Data Video over DSL Entertainment With Triple Play Solutions, you give added-value to your network.

33. End-to-End Fast Internet Access Solution • Ever-increasing computing power of Home-PCs, interactive games, download of content like mp3 music files and videos forces residential users to look for Fast Internet Access • Residential user is willing to pay for Faster Internet Access, combined with new services • For Video-Conferencing, Application Sharing, etc., small and medium enterprises are ideal customers for Fast Internet Access via DSL Introduction Voice over DSL Fast Internet Access Video over DSL Access Network Summary

34. Best effort IP Uplink IP Uplink ATM Uplink ATM Uplink QoS ATM ATM ATM Access Network ATM Access Network Aggregation Aggregation End-to-End Fast Internet Access Solution Introduction Voice over DSL Fast Internet Access Video over DSL Access Network Summary Customer CPE Backbone Access Network Service Selection Center IP BRAS Residential INTERNET DSL NTModemSplitter SOHO SME Data Voice Voice and/or Data Network Management • ADSL, SHDSL, VDSL • Central Office and Remote Locations

35. Triple Play Introduction Voice over DSL Fast Internet Access Video over DSL Access Network Summary Voice Voice over DSL Fast Internet Access Data Video over DSL Entertainment With Triple Play Solutions, you give added-value to your network.

36. Business Driver: Video New Applications • Video on demand, video conferencing, streaming audio and video, interactive video, TV broadcast Gain Market Share • Compete against cable companies with new services like interactive video, with triple play solutions in a bundle Generate Revenue • Additional revenue streams over existing copper, and higher customer retention Your Access Strategy • Step towards fiber to the home with rich services Introduction Voice over DSL Fast Internet Access Video over DSL Access Network Summary

37. Video - Data Flow Zapping - Control Flow (IGMP) IP Uplink ATM Uplink ATM ATM ATM Access Network Aggregation, ATM Mux End-to-End Video over DSL Solution Introduction Voice over DSL Fast Internet Access Video over DSL Access Network Summary Customer CPE Backbone Access Network Services Content- Provider,Services,Content-Manage-ment IP Access Router Settop Box Residential DSL NTModemSplitter Video over DSL SOHO SME Data Voice Voice and/or Data Network Management

38. IP BRAS IP Uplink DSL ATM Uplink ATM Switch ATM ATM Access Network Aggregation STP SS7 PSTN / ISDN Common Access Infrastructure Backbone Infrastructure Triple Play Access Network Introduction Voice over DSL Fast Internet Access Video over DSL Access Network Summary Customer CPE Backbone Access Network Residential SOHO SME Data Voice Voice and/or Data Access Network Management

39. Services Content- Provider,Services,Content-Manage-ment IP BRAS Settop Box IP Uplink DSL ATM Uplink ATM NTModemSplitter Video over DSL Switch ATM ATM Access Network Aggregation Voice over DSL STP Voice Gateway V 5.2 SS7 IAD PSTN / ISDN Video over DSL Voice over DSL Fast Internet Triple Play Access Network Introduction Voice over DSL Fast Internet Access Video over DSL Access Network Summary Customer CPE Backbone Access Network Residential SOHO SME Data Voice Voice and/or Data Access Network Management

40. Summary Triple Play: Voice, Data, Entertainment give added-value to your network. Introduction Voice over DSL Fast Internet Access Video over DSL Access Network Summary Voice over DSL Fast Internet Access Video over DSL Solutions: Triple Play Access Network

41. Deutsche Telekomand Korea Broadband Story Deutsche Telekom The Company • Leading world telecommunications carrier • Largest incumbent carrier in Germany • Deploying broadband Internet to all residents using DSL technology

42. Subscriber Development of T-DSL in the Year 2000 Growth rate of T-DSL in 2000 outperformed the successful T-ISDN growth rate of 1991 • T-DSL: aggressive and successful launch • 12/2000:628.000 T-DSL contracts sold - in contrast to 350.000 which were originally planned in 04/00 • Another positive T-DSL effect: More than 50% of former analogue customers choose ISDN additionally

43. T-DSL Marketing campaign Deutsche Telekom boosted awareness of the xDSL broadband access option by using conspicuous advertisements • Robert T-Online, a computer-animated • Presence in virtually all newspapers, magazines and many TV channels • Many target groups addressed • Advertisements used to convey key messages:“speed up your internet access” - xDSL“unlimited surfing” - T-Online flatrate • Unrivalled marketing presence - putting DTAG in a unique position compared to its competitors Robert T-Online

44. General situation in the German DSL market • The number of DSL service providers in Germany is limited • Besides Deutsche Telekom the main suppliers of xDSL services are: • Arcor / Otelo and Mobilcom (for ADSL services) • COLT and QSC (for SDSL services) • City and regional carriers just begin to offer DSL also

45. Korea Broadband Story Korea is the BB champion in Asia Pacific - More than half of Korean households are online via broadband Broadband Connections in households with online access 0.40% China 6% Taiwan 7% Singapore 8% Hong Kong 57% Korea Source: IDG News Service, 29 Jan 2001

46. Number of ADSL subscribers in thousand Source : IDC ADSL Subscribers Growth in Asia Pacific Korea’s current BB leadership is projected to continue for the long-term

47. Driving forces for Korea Broadband Development Four major driving forces Right demographical Condition Government Policy Broadband Development Competition & Liberalized Market Internet Contents & Applications

48. Thank you.