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Alumni Day 2005

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  1. Alumni Day 2005 University of TorontoMaster of Engineering in Telecommunications Executive Development Program Master of Engineering in Telecommunications

  2. Agenda 6:00 Introduction to 2005 MET Projects 6:20 IMS • Tutorial • Service Control for Multicast Services 7:00 IPTV • Introduction • Regional Analysis: Asia • Service Definition: BT • Value Chain Analysis 7:45 Discussion & Recap Master of Engineering in Telecommunications

  3. Current Trends • Transition to all-IP Infrastructure • Heterogeneous access: • Wireline: Cable, xDSL, PONs • Wireless: WiFi, 3G, Bluetooth, 802.16, Flarion/Qualcomm • Trend: Give customers greater bandwidth • Heterogeneous devices: • Computers / Laptops / PDAs / Cell phones… • Trend: More computing/processing resources (Moore’s Law) • Search for New services & Applications • Voice revenues in decline • Lack of control of Internet applications • Trend: Media-rich, Personalized, Context-Aware Master of Engineering in Telecommunications

  4. 2004 MET Summer Projects • Network Consolidation • Layer simplification & network design • Engineering models • Economic Models • Perspectives from different service providers • IP Performance • IP Performance Model • Core & Access (DSL, Cable, LAN, 3G) • Voice Quality Prediction • IP Performance Measurement • VoIP Industry Analysis • Consumer Market • Enterprise Market Master of Engineering in Telecommunications

  5. What is New in 2005? • Architect-in-Residence • Senior network engineer from partner companies • Participate in definition of MET summer projects • Supervise one or more projects Master of Engineering in Telecommunications

  6. IPTV Industry Analysis • IPTV Equipment Vendor Value Chain Analysis • IPTV Telecom Service Provider Market Analysis • IPTV Service Definition & Network Requirements • IPTV Media Delivery & Implementation Prototype • IPTV Multicast • IPTV Digital Rights Management • Sponsors: • Shuming Li, Rogers Telecom • Yuk-Wha Li, Tony Yuen and Al Leon-Garcia • MET Advisory Board Master of Engineering in Telecommunications

  7. IMS Service Control Architecture • IMS multicast using SIP • IMS content management • IMS and data plane requirements • 4 Students • Sponsors: • Jean Gravel, Nortel • Al Leon-Garcia • MET Advisory Board Master of Engineering in Telecommunications

  8. Metro Ethernet • Quality of Service and Traffic Management • Bandwidth on demand management • Application QoS • Network reliability and scalability • Metro Ethernet Cost Modeling • 5 students • Sponsors: • Jim Kozij, Allstream/MTS • Al Leon-Garcia • MET Advisory Board Master of Engineering in Telecommunications

  9. Other Projects • Performance Testing Methodology of 3G IMS Push-To-Talk over Cellular • Video Service Portal • Sponsors: • Al Leon-Garcia Master of Engineering in Telecommunications

  10. Agenda 6:00 Introduction to 2005 MET Projects 6:20 IMS • Tutorial • Service Control for Multicast Services 7:00 IPTV • Introduction • Regional Analysis: Asia • Service Definition: BT • Value Chain Analysis 7:45 Discussion & Recap Master of Engineering in Telecommunications

  11. MET Networking Project 2005 “IMS Service Control for Video Broadcast and non-SIP Services” Chakrit Nimmanant MET Alumni Day Oct 6th, 2005 Master of Engineering in Telecommunications

  12. Acknowledgements • Supervisors • Jean Gravel, Senior Network Engineer, Nortel Networks. • Professor Alberto Leon-Garcia • IMS Subject Matter Experts • A group of IMS experts, Nortel Networks • Nikos Katinakis and Sorin Surdila, Ericsson Canada • Dan Del Fatti, Lucent Technologies Canada Master of Engineering in Telecommunications

  13. Agenda • IMS Overview (Part I) • What is IMS? • The Needs for IMS • The Advantages of IMS • Evolution & Architecture of IMS • IMS Project (Part II) • Motivation • Network Model for Applicability Analysis • Applicability Models of SIP & IGMP/MLD • Assessment and Recommendation • Q&A Master of Engineering in Telecommunications

  14. What is IMS? • Stands for IP Multimedia Subsystem defined by 3GPP • 3GPP’s Service Control Architecture empowered by IETF’s Session Initiation Protocol (SIP) • Is not service, but acts as telecom service enabler over IP-based infrastructure • Mandates support of IPv6 (IPv4 optional) • Access-Network agnostic • Enable Fixed-Mobile Convergence and Quadruple-play • Standardized on interfaces and capabilities, not applications Master of Engineering in Telecommunications

  15. The Needs for IMS • Unpredictable acceptance of new services • Quick actions required • Develop and deploy promising services quickly • Add resources to successful services on demand • Reduce resources for unsuccessful services or remove them entirely on demand • Vertical vs Horizontal solution Master of Engineering in Telecommunications

  16. The Needs for IMS (2) • Vertical solutions • Current solutions of Service providers • Issues: Interworking, CAPEX & OPEX, and so on. • Horizontal solutions • Generic architecture for diverse applications • IMS + IP offer modular, flexible service delivery, and speedy time-to-market of services IMS is the answer!! Master of Engineering in Telecommunications

  17. What IMS Provides to Operators • A common platform with reusable components which provides quick and easy service development • Decreased deployment and management costs • Combinations of the functionalities of each solution • Standardized, open interfaces for 3rd party developers • Value chain control Master of Engineering in Telecommunications

  18. What IMS Provides to Users • Controllability of a plethora of available IP services • Personalized communications • Single public identity • Consistency of services across operators and access networks (roaming and interworking) Master of Engineering in Telecommunications

  19. The Evolution of IMS • Early 3GPP Releases (up to Release 4) • Only basic IP connectivity • IMS was introduced in 3GPP Release 5 • Real-time services mainly after Release 6 • IMS Stage 2 • WLAN-Mobile Interworking • IPv4/6 Migration • Release 7 is work-in-progress • IMS Stage 3 • IETF Protocol Alignment • System Enhancements for fixed broadband access to IMS Master of Engineering in Telecommunications

  20. A Basic SIP Call 302 (Moved Temporarily) 180 (Ringing) 180 (Ringing) 200 (OK) 200 (OK) 200 (OK) 200 (OK) INVITE INVITE INVITE 180 (Ringing) ACK ACK BYE BYE 200 (OK) 200 (OK) RTP MEDIA PATH INVITE ACK BYE ACK UA client UA Server Proxy Server Location / Redirect Server Proxy Server Session Setup MediaPath Session Teardown Master of Engineering in Telecommunications

  21. IMS Architecture Beyond Voice • Service Layer • Application Servers and Services • Control Layer • IP Call Control Servers: SIP servers (CSCF), Multimedia Resource Function Controller (MRFC), Policy Decision Function (PDF) • Control Plane: Session Initiation Protocol (SIP) • Transport Layer • IP Transport Servers: Multimedia Resource Function Processor (MRFP) • User Plane: Real Time Protocol (RTP) and Real Time Control Protocol (RTCP) • IP Network (Non-IMS Part) • Routers: Policy Enforcement Point (PEP), e.g. GGSN, BRAS, CMTS MRFC MRFC Legacy VoIP Legacy PDF PDF PEP PEP IP Network Master of Engineering in Telecommunications

  22. IMS Control Layer • CSCF • Call Session Control Function • Proxy CSCF (P-CSCF) • Acts as the point of entry • Interrogating CSCF (I-CSCF) • Acts as Information, topology hiding gateway • Serving CSCF (S-CSCF) • Authorizes each session request by querying HSS • Communicates with AS to perform service control accordingly • Forwards each session request to the terminating network Master of Engineering in Telecommunications

  23. Calling using IMS Master of Engineering in Telecommunications

  24. Conferencing using IMS 5. Mixed Media is multicast or unicast to each participant 3. Participants & the Focus control the session using SIP 4. All media are mixed at MRFP 1. MRFC & AS act as Conference Focus 2. MRFP acts as Media Mixer Master of Engineering in Telecommunications

  25. Agenda • IMS Overview (Part I) • What is IMS? • The Needs for IMS • The Advantages of IMS • Evolution & Architecture of IMS • IMS Project (Part II) • Motivation • Network Model for Applicability Analysis • Applicability Models of SIP & IGMP/MLD • Assessment and Recommendation • Q&A Master of Engineering in Telecommunications

  26. Motivations • IMS Service Control for Video Broadcast and non-SIP services • IGMP/MLD has long been used to trigger multicast services at Network layer. • Internet Group Management Protocol (IGMP) for IPv4 systems • Multicast Listener Discovery (MLD) for IPv6 systems • As a step towards the Fixed-Mobile Convergence • SIP should be able to do the same thing and more but at Application layer. • To unravel the applicability of SIP & IGMP/MLD focusing at PEP, e.g. BRAS. • Should SIP be used instead of IGMP/MLD? • Should SIP still trigger IGMP/MLD? • If else, what should we do? Master of Engineering in Telecommunications

  27. Network Model* *For analysis purpose only, further proof is needed Master of Engineering in Telecommunications

  28. SIP Processes & The Point of Applicability Broadcast Multicast Where should the applicability take place? Master of Engineering in Telecommunications

  29. Six Assessment Criteria • Interworking & Consistency of Signaling • Complexity • Security • Compatibility • Scalability • Roaming Master of Engineering in Telecommunications

  30. Six Applicability Alternatives 1 2 3 4 5 6 Master of Engineering in Telecommunications

  31. Assessments Security 1 • Interworking & Consistency of Signaling • Complexity • Security • Compatibility • Scalability • Roaming 2 Complexity 3 Compatibility 4 5 Scalability & Roaming 6 Master of Engineering in Telecommunications

  32. The Model #5 • SIP triggers IGMP/MLD to perform its functions at Network layer. • The exception is no IGMP/MLD message is sent. • SIP ACK and its description will be sent to IMS domain as usual. • PEP intercepts and extracts multicast information from SIP ACK and its description. • PEP forwards the SIP message to IMS domain Master of Engineering in Telecommunications

  33. Recommendations • SIP should be used instead of IGMP/MLD by PEP (e.g. BRAS, GGSN, CMTS) • All intelligence are put within PEP to intercept and retrieve necessary information from SIP messages. • No complicated upgrade mandated for hosts or P-CSCF/PDF. Master of Engineering in Telecommunications

  34. Benefits • Reduce redundancy of request • Reduce traffic of signals going into the network (40 bytes/user/time for IGMP and 76 bytes/user/time for MLD) • Improve operators’ controllability of Video broadcast and multicast services • Ease deployment and acceptance process Master of Engineering in Telecommunications

  35. References • 3GPP, www.3gpp.org • RFC 3261, Session Initiation Protocol, IETF, www.ietf.org • M. Harris, “IP multimedia in 3G”, Orange’s CEPT conference presentation, 2003 • “IP Multimedia Subsystem (IMS) Overview and Applications”, 3G Americas, July 2004, www.3gamericas.org • “IMS IP Multimedia Subsystem”, www.gemplus.com/techno/ims • “Enhanced Service Delivery: IP Multimedia Subsystems and AdvancedTCA”, Intel’s White paper, 2005, www.intel.com/network/csp/pdf/9342wp.htm Master of Engineering in Telecommunications

  36. Q&A THANK YOU!! Master of Engineering in Telecommunications

  37. Agenda 6:00 Introduction to 2005 MET Projects 6:20 IMS • Tutorial • Service Control for Multicast Services 7:00 IPTV • Introduction • Regional Analysis: Asia • Service Definition: BT • Value Chain Analysis 7:45 Discussion & Recap Master of Engineering in Telecommunications

  38. IPTV Industry Analysis • IPTV Equipment Vendor Value Chain Analysis • IPTV Telecom Service Provider Market Analysis • IPTV Service Definition & Network Requirements • IPTV Media Delivery & Implementation Prototype • IPTV Multicast • IPTV Digital Rights Management • Sponsors: • Shuming Li, Rogers Telecom • Yuk-Wha Li, Tony Yuen and Al Leon-Garcia • MET Advisory Board Master of Engineering in Telecommunications

  39. IPTV Industry Analysis • IPTV Equipment Vendor Value Chain Analysis • IPTV Telecom Service Provider Market Analysis • IPTV Service Definition & Network Requirements • IPTV Media Delivery & Implementation Prototype • IPTV Multicast • IPTV Digital Rights Management Master of Engineering in Telecommunications

  40. IPTV Overview 3. Satellite TV Network (Pay TV) 1. Analog Terrestrial (Free Broadcasting) 2. Cable Hybrid Fiber Coaxial (HFC) Network (Pay TV) 4. Digital Terrestrial (Free Broadcasting) Coaxial Cable Copper xDSL Telecom IP Broadband Network Optical Fiber FTTx 5. IPTV by Telecom Service Provider Master of Engineering in Telecommunications

  41. IPTV Potential Applications 3. Satellite TV Network (Pay TV) 1. Analog Terrestrial (Free Broadcasting) 2. Cable Hybrid Fiber Coaxial (HFC) Network (Pay TV) Coaxial Cable 4. Digital Terrestrial (Free Broadcasting) Copper xDSL • Potential Applications • Broadcast/Pay TV • VOD & Interactive TV • Fixed/Mobile Multimedia Services Telecom IP Broadband Network Optical Fiber FTTx 5. IPTV by Telecom Service Provider Master of Engineering in Telecommunications

  42. Broadband and Pay TV Service Development HH – Household, ppp – Purchase Power Parity Master of Engineering in Telecommunications

  43. Agenda 6:00 Introduction to 2005 MET Projects 6:20 IMS • Tutorial • Service Control for Multicast Services 7:00 IPTV • Introduction • Regional Analysis: Asia • Service Definition: BT • Value Chain Analysis 7:45 Discussion & Recap Master of Engineering in Telecommunications

  44. IPTV Service Provider Market Analysis Report Mary Zhao MET 2005 Directed by Prof. Alberto Leon-Garcia Prof. Tony Yuen Prof. Yuk-Wha Li Architect in residence Shuming Li Master of Engineering in Telecommunications

  45. Report Content • Executive Summary • Research Scope and Objective • Methodology • Regional Market Analysis -- Asia • , NTT, KT • Regional Market Analysis -- Western Europe • British Telecom, France Telecom, Deutsche Telekom • Overview of North America Market • Analysis and Comparison • Summary and Future Work PCCW Master of Engineering in Telecommunications

  46. Methodology • Broadband Industry • Pay-TV Industry Example Key words: Hong Kong pay-TV market Hong Kong broadband Hong Kong Cable TV/ modem Example Google Searching Key Words : ‘Hong Kong IPTV’ ‘ Hong Kong IPTV regulation’ Industry Analysis Example key words : PCCW Annual Report PCCW IPTV PCCW competitor Defense / Attack ? • Major Battleground of IPTV in different countries : Korea , Japan , France….. • Different policy from the government Competitive Analysis PCCW, KT, NTT, BT, FT, DT Company Analysis Market Analysis Master of Engineering in Telecommunications

  47. Asia -- Japan and Korea Master of Engineering in Telecommunications

  48. Who are the main Broadband competitors ? Unlike North America, incumbents in Asia are facing another competition mainly fromCLECs, who are driving incumbents to move to IPTV !!! Broadband Market Share in Japan ( Subs ) Data Source : MIC 2004 Broadband Market Share in Korea Data Source : MIC 2004 Master of Engineering in Telecommunications

  49. Case Study : Hong Kong / PCCW Master of Engineering in Telecommunications

  50. Background of Hong Kong Market • Extremely Competitive Telecom Market • Broadband – high HH penetration – 63% • Entertainment center in Asia/Pacific • One of the Largest film Industries • Pay-TV penetration is not high 50% ( U.S over 80%) Master of Engineering in Telecommunications