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Enzo Garetti - CSELT

CONVAIR AC 234. Evolution of Information & Communication Networks and Services. Enzo Garetti - CSELT. Evolution of Information & Communication Networks and Services. Evolution towards the Information Society; Needs and Requirements; Network Models and Interworking Scenarios;

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Enzo Garetti - CSELT

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  1. CONVAIR AC 234 Evolution of Information & Communication Networks and Services Enzo Garetti - CSELT

  2. Evolution of Information & Communication Networks and Services • Evolution towards the Information Society; • Needs and Requirements; • Network Models and Interworking Scenarios; • Integration or Differentiation?; • Evolution of Switching; • Voice-Data Convergence; • Fixed-Mobile Convergence; • Conclusion:Multiservice Networks ACTS Concertation Meeeting-

  3. Evolution of Information & Communication Networks and Services • Evolution towards the Information Society; • Needs and Requirements; • Network Models and Interworking Scenarios; • Integration or Differentiation?; • Evolution of Switching; • Voice-Data Convergence; • Fixed-Mobile Convergence • Conclusion:Multiservice Networks ACTS Concertation Meeeting-

  4. VISION OF THE INFORMATION SOCIETY EVERY INFORMATION - AVAILABLE TO EVERYBODY - IN EVERY PLACE - IN EVERY TIME EVERY INFORMATION - ON REQUEST - AT AFFORDABLE PRICES • OVERCOMING OF TECHNOLOGICAL BARRIERS • ALL DIGITAL - TV • - TRANSPORT • - PROCESSING EVOLUTIONARY SCENARIOS I - MULTIMEDIA & INTERACTIVITY - ISDN/B-ISDN - INTERNET - VOD/ITV - CORPORATE II - PERSONALISATION & MOBILITY - IN - PCS - MOBILE - SATELLITES ACTS Concertation Meeeting-

  5. CONVERGING WORLDS COMMUNICATION SERVICES INFORMATION TECHNOLOGY ENTERTAINMENT SERVICES PSTN, ISDN, GSM DATA (INTERNET) COMPUTERS, SOFTWARE & PERIPHERALS TERRESTRIAL SATELLITE CABLE TV CENTRIC INFOCOM PC CENTRIC INFOCOM APPLICATION CENTRIC INFOCOM TELETEXT PCTV ACTS Concertation Meeeting-

  6. THE BUSINESS PLAN TRIANGLE ... TARIFFS • interconnection rules • charging principles • metering • tariffing • billing MARKET • segmentation • size • penetration • marketing actions REVENUES • costs • economies of scale • economies of scope • learning curve INVESTMENTS ACTS Concertation Meeeting-

  7. ... OR A BERMUDA’S TRIANGLE ? TARIFFS COMPETITION REGULATION MARKET INVESTMENTS ACTS Concertation Meeeting-

  8. Marketing issues • From a reactive marketing: • existing market demand (services); • development of new technologies (networks); • Time-To-Market constraints. • To a proactive marketing: • existing technological opportunities (networks); • offering of new services/applications. The best way to foresight the future market is to create it ACTS Concertation Meeeting-

  9. Marketing issues • Generalized market with product differentiation: • worldwide dimension; • economies of scale and scope; • offering of personalized services/applications. Customer orientation in a mass market environment Customer orientation in specific market segments ACTS Concertation Meeeting-

  10. Marketing issues • Market segmentation: • identification of client classes; • definition of potential market targets; • targeted offering of services/applications. Identification of the most convenient technical solutions for each market segment ACTS Concertation Meeeting-

  11. Evolution of Information & Communication Networks and Services • Evolution towards the Information Society; • Needs and Requirements; • Network Models and Interworking Scenarios; • Integration or Differentiation?; • Evolution of Switching; • Voice-Data Convergence; • Fixed-Mobile Convergence; • Conclusion:Multiservice Networks ACTS Concertation Meeeting-

  12. CHANGING NEEDS • * CHANGING IN PLANNING • SHORTEN TIMES • MATCHING MARKET/TECHNOLOGIES • INFORMATION SYSTEMS FOR DAY-BY-DAY PLANNING - SERVICES - PERFORMANCE - FUNCTIONS - GENERAL I/F - PHYSICAL I/F - PROTOCOLS - EQUIPMENT • * CHANGING IN STANDARDISATION • SHORTEN TIMES • REQUIREMENTS TO MANUFACTURERS • DETAILED STANDARDS FROM MANUFACTURERS • * CHANGING IN NETWORK AND SERVICE MANAGEMENT • CUSTOMER ORIENTATION • COOPERATIVE OVERALL FAULT MANAGEMENT • SHORTEN MAINTENANCE CYCLE • FAST CONFIGURATION • PRE-INSTALLED NETWORK FACILITIES • ONE-STOP-SHOP SERVICE • ASSISTANCE ACTS Concertation Meeeting-

  13. MATCHING MARKET-TECHNOLOGIES • SERVICES • * NB BIDIRECTIONAL • - ADVANCED VOICE • - DATA • - NB MM • - CORPORATE • NETWORKS • * NETWORK TRANSPORT • - ISDN • - B-ISDN • - CATV • * DIFFUSIVE TV • - CATV • - PPC/PPV • - NVOD • * SERVICE HANDLING • - IN • - DATA BASES • - SERVERS • * MM RETRIEVAL • - VOD • - SHOPPING • - MM INFO • * NETWORK MANAGEMENT • - TMN • - SERVICE MANAGEMENT • * BB BIDIRECTIONAL • - HS DATA • - BB MM • - BB CORPORATE ACTS Concertation Meeeting-

  14. REQUIREMENTS Concurrent, Ubiquitous and Seamless Services • GENERAL: • EQUAL ACCESS • UNBUNDLING • INTEROPERABILITY: • Networks • Services • Applications • Interconnection among the Networks: • interfaces and protocols; • interconnection rules and prices. • Interworking among the Services: • service definition; • service trasparency; • unified presentation and use. • Interoperability among the Applications: • customer orientation; • Information Technology applications. • FUNCTIONAL: • SWITCHING & ROUTING • SIGNALLING • OAM • PERFORMANCE • TRAFFIC AND BLOCKING • DELAYS • AVAILABILITY ACTS Concertation Meeeting-

  15. Evolution of Information & Communication Networks and Services • Evolution towards the Information Society; • Needs and Requirements; • Network Models and Interworking Scenarios; • Integration or Differentiation?; • Evolution of Switching; • Voice-Data Convergence; • Fixed-Mobile Convergence; • Conclusion:Multiservice Networks ACTS Concertation Meeeting-

  16. TINA MODEL General Model ("Telecommunications Information Networking Architecture" - TINA) - Intelligent Network - Network Management - Service management Service Segment - Transmission - Switching - Provision of network resources Delivery Segment SERVICE SEGMENT - SCPs for Intelligent Networks - HLRs for mobile networks - OSSs for network management - Service management DELIVERY SEGMENT - Transmission (PDH, SDH,..) - Switching (ISDN, ATM,...) - SIgnalling networks - Provision of network resources ACTS Concertation Meeeting-

  17. CONVAIR AC 234 LAYERING EVOLUTION Now 5 - 10 y Applications Services/ Applications Telecom Services Distributed Processing Networks (telecom) Networks (InfoCom) ACTS Concertation Meeeting-

  18. CONVAIR AC 234 PARTITIONING EVOLUTION NETWORK MANAGEMENT CORE & SERVICE NODES CPN ACCESS SERVERS ACTS Concertation Meeeting-

  19. CONVAIR AC 234 Interworking Scenarios SERVICE CENTRES LAN DATA NETWORKS TELEPHONE NETWORKS (PSTN-ISDN) LAN BROADCAST NETWORKS RADIO AND MOBILE NETWORKS SATELLITE NETWORKS ACTS Concertation Meeeting-

  20. ACTORS INVOLVED EXAMPLE: INTERACTIVE MULTIMEDIA • - Video Information Providers (Multimedia Information Providers): • • end-to-end user signalling gateways • • high-level service management facilities) • - Video Service Providers, brokers and retailers: • • front-end user signalling gateways • • Video Dial Tone service management facilities • - Network Provider: • • long distance networks • • switching equipment • • distribution networks • - Customer equipment providers • • Customer Premises Networks • • Set Top Boxes. ACTS Concertation Meeeting-

  21. Evolution of Information & Communication Networks and Services • Evolution towards the Information Society; • Needs and Requirements; • Network Models and Interworking Scenarios; • Integration or Differentiation?; • Evolution of Switching; • Voice-Data Convergence; • Fixed-Mobile Convergence; • Conclusion:Multiservice Networks ACTS Concertation Meeeting-

  22. CORE NETWORKS CROSSROAD SATELLITES MOBILE DATA • CORE NETWORKS: • a crossroad with many possible directions; • expected huge increase of traffic; • different kinds of vehicles; • at present without traffic lights. BROADCAST ISDN PSTN ACTS Concertation Meeeting-

  23. CORE NETWORKS INTERRELATIONS NETWORK AND SERVICE MANAGEMENT & ROUTING IN & SERVICE NODES CORE SWITCHING & ROUTING MOBILITY & SATELLITES SERVERS ACCESS NETWORKS CORE TRANSPORT NETWORKS TERMINALS ACTS Concertation Meeeting-

  24. Integration or Differentiation? DIRECT SATELLITE ACCESS Satellite Networks Information providers Data Networks RADIO ACCESS PSTN / ISDN ADSL COAX Mobile Networks Broadcast Networks FIBRE ACTS Concertation Meeeting-

  25. ACCESS OPTIONS AND INFORMATION PROVISION DIRECT SATELLITE ACCESS RADIO ACCESS BS Information providers FIBRE NODE TELECOM CENTRAL OFFICE ADSL S C M M U X COAX FIBRE BROADBAND SWITCH SERVICE CENTRE CATV HEAD END FIBRE ACTS Concertation Meeeting-

  26. Integration or Differentiation? Broadcast Networks Satellite Networks Video Server • SDH • PDH • Coax • Wireless • Satellite Mobile Networks Internet Server ATM Fabric IP/ATM Network PSTN / ISDN Network Server Narrowband Fabric Cabinet • DIFFERENT ACCESS SOLUTIONS (different clients & different locations); • SEPARATED NARROWBAND & BROADBAND SWITCHING & CORE NETWORKS; • DIFFERENT SERVERS (Network servers, Internet servers, video servers) ACTS Concertation Meeeting-

  27. Evolution of Information & Communication Networks and Services • Evolution towards the Information Society; • Needs and Requirements; • Network Models and Interworking Scenarios; • Integration or Differentiation?; • Evolution of Switching; • Voice-Data Convergence; • Fixed-Mobile Convergence; • Conclusion:Multiservice Networks ACTS Concertation Meeeting-

  28. EVOLUTION OF TELECOM NETWORKS NETWORK REFERENCE ARCHITECTURE TE LE TE TE LE LE LE ACTS Concertation Meeeting-

  29. SWITCHING ARCHITECTURES - PAST EXCHANGE TERMINATIONS CABINETS LINE STAGES SWITCHING FABRIC POTS - ISDN COPPER CABLES SWITCHING CONTROL SIGNALLING NETWORK OSS EM -OAM COPPER PAIRS TELECOM CENTRAL OFFICE ACTS Concertation Meeeting-

  30. SWITCHING ARCHITECTURES - PRESENT IDLC - OLT CATV DISTRIB. LINE STAGES FIBRE COAX POTS - ISDN SWITCHING FABRIC EXCHANGE TERMINATIONS SIGNALLING NETWORK SWITCHING CONTROL ADSL SSP FIBRE OSS EM -OAM TMN TELECOM CENTRAL OFFICE COPPER PAIRS ACTS Concertation Meeeting-

  31. SWITCHING ARCHITECTURES - FUTURE TELECOM CENTRAL OFFICE IDLC - OLT CATV DISTRIB. BROADBAND LINE STAGES ATM SWITCHING FABRIC ATM NETWORK FIBRE NARROWBAND SWITCHING FABRIC POTS - ISDN EXCHANGE TERMINATIONS SWITCHING CONTROL SIGNALLING NETWORK SSP FIBRE OSS EM -OAM TMN NARROWBAND LINE STAGES COPPER PAIRS + VDSL ACTS Concertation Meeeting-

  32. Evolution of Information & Communication Networks and Services • Evolution towards the Information Society; • Needs and Requirements; • Network Models and Interworking Scenarios; • Integration or Differentiation?; • Evolution of Switching; • Voice-Data Convergence; • Fixed-Mobile Convergence; • Conclusion:Multiservice Networks ACTS Concertation Meeeting-

  33. EVOLUTION OF DATA NETWORKS • Relationships with the Internet community: • - interworking of protocols • - growth of Internet hosts • - evolution of PC-based terminals • - emerging Internet services • - relationships between Internet and ATM New reference models for the architecture of the Global Information Infrastructure: - telephony - e-mail - cooperative work - security features - directory facilities - end-to-end flow control - QoS performance - transmission and switching capabilities application middleware transport bearer ACTS Concertation Meeeting-

  34. EVOLUTION OF ROUTERS CONTROL & MANAGEMENT GENERIC FAST PACKET SWITCH # PACKET CLASSIFIER (FORWARDING) PACKET SCHEDULER OUTPUT BUFFER SHARED MEMORY Shared memory # # Forwarding engine Buffer memory Forwarding engine ACTS Concertation Meeeting-

  35. EVOLUTION OF ROUTERS I THOUGHPUT • GIGABIT- TERABIT ROUTERS • INTERNAL SPEED • LINE INTERFACES • BUS • MATRIX • ADDRESSING CAPABILITIES • PACKET FORWARDING • HEADER ANALYSIS • ROUTING PROCESSOR ROUTE TABLE LOOK-UP • ASICS • CAM DEVICES BRANCHING • NUMBER OF PORTS • COMPLEXITY OF ROUTING ALGORITHMS • PACKET SCHEDULING • DIFFERENTIATED QOS • INTERNET CORE NETWORKS • INTERNET/INTRANET BACKBONES • TRUNKING AND TRAFFIC AGGREGATION SCALABILITY ACTS Concertation Meeeting-

  36. Voice-Data Convergence Enterprises Server ACCESS CORE ROUTING & SWITCHING Server EDGE ROUTING • Performance • Capacity • Scalability • Dependability • Congestion control • Packet classification • Access control • Resource management • Security/filtering • Traffic data collection • Profiles/service policy Consumers ACTS Concertation Meeeting-

  37. Voice-Data Convergence Enterprises Server ACCESS CORE ROUTING & SWITCHING Server EDGE ROUTING • Very high performance • Simplified functionalities • Fault tolerance • Rich, flexible and evolvable functionalities • Support to the service policies of the operator • Management support Consumers ACTS Concertation Meeeting-

  38. Video-Data Convergence Data Networks MULTIMEDIA PC • INTERNET ACCESS • PROCESSING POWER • RAM & DISK MEMORIES • INTERFACES • SMALL VIDEOS • LAN • DATA NETWORKS Broadcast Networks TV & SET-TOP- BOX • LARGE VIDEOS • INTERFACES • LARGE FONTS • BROADCAST • CATV • SATELLITE ACTS Concertation Meeeting-

  39. Evolution of Information & Communication Networks and Services • Evolution towards the Information Society; • Needs and Requirements; • Network Models and Interworking Scenarios; • Integration or Differentiation?; • Evolution of Switching; • Voice-Data Convergence; • Fixed-Mobile Convergence; • Conclusion:Multiservice Networks ACTS Concertation Meeeting-

  40. Fixed-Mobile Convergence • Voice • Data • Texts • Images DIFFERENT KINDS OF MOBILE SERVICES • Handheld • Car/trucks • Ships • Airplanes ACCESS TO MOBILE SERVICES • Portable PC + mobile phone • geographical coverage • Internet access • Large offer of mobile services MOBILE WORK PCMCIA card ACTS Concertation Meeeting-

  41. Fixed-Mobile Convergence DIFFERENT KINDS OF COVERAGE • “Picocells” at the interior of buildings: • around 100 metres of coverage • low cost cordless phones (e. g. CT2 or DECT) • low tariffs • extended cordless capabilities • “Microcells” at the interior of cities or local areas: • around 1000 metres of coverage • cordless (DECT) or mobile phones (TACS, GSM/DCS) • new kinds of tariffs • mobile or extended cordless capabilities ACTS Concertation Meeeting-

  42. Fixed-Mobile Convergence DIFFERENT KINDS OF COVERAGE • “Normal” cells at national or continental level: • up to 10000 metres of coverage • mobile phones (TACS or GSM) • normal mobile tariffs • “Macrocells” at worldwide level: • worldwide coverage • satellite phones (Iridium, Immarsat, Globalstar, Teledesic/Celestri) • new satellite mobile tariffs ACTS Concertation Meeeting-

  43. PERSONAL PHONES WILL REPLACE AN INCRESING NUMBER OF TRADITIONAL WIRED PHONES. CELLULAR NETWORK HAVE A PECULIAR ADVANTAGE BECAUSE BOTH THE CAPACITY AND THE COVERAGE MAY BE PROVIDED BY HiERARCHICAL CELLULAR NETWORKS Fixed-Mobile Convergence EVOLUTION TOWARDS PCS Cordless phones Home Office Mobile phones Personal phones ACTS Concertation Meeeting-

  44. Fixed-Mobile Convergence EVOLUTION TOWARDS PCS MOBILE RADIO IN HLR VLR SCP UPT USER RADIO ACCESS UPT TERMINAL MOBILITY PERSONAL MOBILITY PCS (PERSONAL COMMUNICATION SERVICES) ACTS Concertation Meeeting-

  45. Fixed-Mobile Convergence EXAMPLE OF A HIERARCHICAL CELLULAR NETWORK INCLUDING MACROCELLS, STREET MICROCELLS AND PICOCELLS AT THE INTERIOR OF BUILDINGS CELLS (e. g. GSM cells) HOME PICOCELLS (e. g. DECT home base stations for residential cordless) MICROCELLS (e. g. DCS1800 microcells for microcellular mobile telephony) STREET MICROCELLS (e. g. DECT microcells for radio access payphones) OFFICE PICOCELLS (e. g. DECT cells for corporate wireless PABX) MACROCELLS (e. g. satellites) EVOLUTION TOWARDS PCS ACTS Concertation Meeeting-

  46. Fixed-Mobile Convergence • Houses: • extended cordless (e. g. DECT) • Mobile phones: • GSM-DCS • bi-standard terminals (e. g. DECT-GSM) • Offices: • wireless PABX (e. g. DECT) and also wireless LAN • Personal phones: • bi-standard terminals (e. g. DECT-GSM) • UPT functionalities • Cities: • radio access to payphones (e. g. DECT) and possibly roaming among different cities • Global phones: • satellite phones • bi-standard terminals (e. g. GSM-Iridium) EVOLUTION TOWARDS PCS ACTS Concertation Meeeting-

  47. Fixed-Mobile Convergence Satellite INTERNET SERVER VIDEO SERVER RFP HLR xDSL SN SCP RFP VLR xDSL RFP VLR RFP VLR SN SN VLR xDSL RFP ACTS Concertation Meeeting-

  48. Evolution of Information & Communication Networks and Services • Evolution towards the Information Society; • Needs and Requirements; • Network Models and Interworking Scenarios; • Integration or Differentiation?; • Evolution of Switching; • Voice-Data Convergence; • Fixed-Mobile Convergence; • Conclusion:Multiservice Networks ACTS Concertation Meeeting-

  49. CONCLUSION - MULTISERVICE NETWORKS Satellite Networks Key Objective: Development of enhanced core multiservice networks Data Networks PSTN / ISDN • Different Visions: • different networks • different industry sectors Mobile Networks Broadcast Networks ACTS Concertation Meeeting-

  50. CONCLUSION - MULTISERVICE NETWORKS PSTN / ISDN Classical Telecom sector • Classical Telecom Operators • Classical Telecom Manufacturers • IBCN/B-ISDN approach: integrated networks and services • Full Service Access Networks & Next Generation Switching • Switching systems with core ATM switching fabric • Integrated ATM core network for all services • B-ISDN Signalling & control • AIN, TMN & TINA • Strengths: • Telecom Expertise • De Jure Standards • Network Interconnection • Scalability & Modularity • Weaknesses: • Poor Marketing expertise • Complex solutions • Poor flexibility • Slow Developments ACTS Concertation Meeeting-

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