enzo garetti - cselt evolution of information & communication networks and services convair ac...
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Enzo Garetti - CSELTEnzo Garetti - CSELT
Evolution of Information & Communication
Networks and Services
Evolution of Information & Communication
Networks and Services
CONVAIRAC 234
24-25 November 1998 ACTS Concertation Meeeting-
• 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
Evolution of Information & Communication Networks and Services
24-25 November 1998 ACTS Concertation Meeeting-
• 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
Evolution of Information & Communication Networks and Services
24-25 November 1998 ACTS Concertation Meeeting-
VISION OF THE INFORMATION SOCIETY VISION OF THE INFORMATION SOCIETY
EVERY INFORMATION- AVAILABLE TO EVERYBODY- IN EVERY PLACE- IN EVERY TIME
EVERY INFORMATION- AVAILABLE TO EVERYBODY- IN EVERY PLACE- IN EVERY TIME
OVERCOMING OF TECHNOLOGICAL BARRIERSALL DIGITAL - TV - TRANSPORT - PROCESSING
EVERY INFORMATION- ON REQUEST- AT AFFORDABLE PRICES
EVERY INFORMATION- ON REQUEST- AT AFFORDABLE PRICES
EVOLUTIONARY SCENARIOSEVOLUTIONARY SCENARIOS
I - MULTIMEDIA & INTERACTIVITY - ISDN/B-ISDN - INTERNET - VOD/ITV - CORPORATE
I - MULTIMEDIA & INTERACTIVITY - ISDN/B-ISDN - INTERNET - VOD/ITV - CORPORATE
II - PERSONALISATION & MOBILITY - IN - PCS - MOBILE - SATELLITES
II - PERSONALISATION & MOBILITY - IN - PCS - MOBILE - SATELLITES
24-25 November 1998 ACTS Concertation Meeeting-
CONVERGING WORLDSCONVERGING WORLDS
COMMUNICATIONCOMMUNICATIONSERVICESSERVICES INFORMATION
INFORMATIONTECHNOLOGY
TECHNOLOGY
PC CENTRICPC CENTRICINFOCOMINFOCOM
TV CENTRICTV CENTRICINFOCOMINFOCOM APPLICATIONAPPLICATION
CENTRIC INFOCOMCENTRIC INFOCOM
TELETEXTTELETEXTPCTVPCTV
ENTERTAINMENT
ENTERTAINMENT
SERVICES
SERVICES
TERRESTRIAL
SATELLITE
CABLE
PSTN, ISDN, GSMDATA (INTERNET)
COMPUTERS,
SOFTWARE &
PERIPHERALS
24-25 November 1998 ACTS Concertation Meeeting-
TARIFFS
MARKET
INVESTMENTS
• interconnection rules• charging principles• metering• tariffing• billing
• costs• economies of scale• economies of scope• learning curve
• segmentation• size• penetration• marketing actions
THE BUSINESS PLAN TRIANGLE ...
REVENUES
24-25 November 1998 ACTS Concertation Meeeting-
TARIFFS
MARKET
INVESTMENTS
COMPETITIONREGULATION
... OR A BERMUDA’S TRIANGLE ?
24-25 November 1998 ACTS Concertation Meeeting-
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
24-25 November 1998 ACTS Concertation Meeeting-
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
24-25 November 1998 ACTS Concertation Meeeting-
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
24-25 November 1998 ACTS Concertation Meeeting-
• 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
Evolution of Information & Communication Networks and Services
24-25 November 1998 ACTS Concertation Meeeting-
CHANGING NEEDSCHANGING NEEDS
* CHANGING IN PLANNING• SHORTEN TIMES• MATCHING MARKET/TECHNOLOGIES• INFORMATION SYSTEMS FOR DAY-BY-DAY PLANNING
* 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
- SERVICES- PERFORMANCE- FUNCTIONS- GENERAL I/F
- PHYSICAL I/F- PROTOCOLS- EQUIPMENT
24-25 November 1998 ACTS Concertation Meeeting-
MATCHING MARKET-TECHNOLOGIESMATCHING MARKET-TECHNOLOGIES
SERVICES
* NB BIDIRECTIONAL- ADVANCED VOICE - DATA- NB MM- CORPORATE
* DIFFUSIVE TV- CATV - PPC/PPV- NVOD
* BB BIDIRECTIONAL- HS DATA- BB MM- BB CORPORATE
* MM RETRIEVAL- VOD - SHOPPING- MM INFO
NETWORKS * NETWORK TRANSPORT
- ISDN- B-ISDN- CATV
* SERVICE HANDLING- IN - DATA BASES- SERVERS
* NETWORK MANAGEMENT- TMN- SERVICE MANAGEMENT
24-25 November 1998 ACTS Concertation Meeeting-
REQUIREMENTS
• GENERAL:•EQUAL ACCESS•UNBUNDLING•INTEROPERABILITY:
•Networks•Services•Applications
•FUNCTIONAL:•SWITCHING & ROUTING•SIGNALLING•OAM
•PERFORMANCE•TRAFFIC AND BLOCKING•DELAYS•AVAILABILITY
• 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.
Concurrent, Ubiquitous and Seamless Services
24-25 November 1998 ACTS Concertation Meeeting-
• 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
Evolution of Information & Communication Networks and Services
24-25 November 1998 ACTS Concertation Meeeting-
Service SegmentService Segment
Delivery SegmentDelivery Segment
TINA MODEL
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
General Model ("Telecommunications Information Networking Architecture" - TINA)
- Intelligent Network- Network Management- Service management - Transmission
- Switching- Provision of network resources
24-25 November 1998 ACTS Concertation Meeeting-
Now 5 - 10 y
Applications
TelecomServices
Services/Applications
DistributedProcessing
Networks(telecom)
Networks(InfoCom)
LAYERING EVOLUTION
CONVAIRAC 234
24-25 November 1998 ACTS Concertation Meeeting-
CPN ACCESSCORE &SERVICENODES
SERVERS
NETWORKMANAGEMENT
PARTITIONING EVOLUTION
CONVAIRAC 234
24-25 November 1998 ACTS Concertation Meeeting-
SERVICE CENTRES
LAN
LAN
RADIO ANDMOBILENETWORKS
DATA NETWORKS
SATELLITENETWORKS
TELEPHONE NETWORKS(PSTN-ISDN)
Interworking Scenarios
CONVAIRAC 234
BROADCAST NETWORKS
24-25 November 1998 ACTS Concertation Meeeting-
- 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.
ACTORS INVOLVEDACTORS INVOLVED
EXAMPLE: INTERACTIVE MULTIMEDIA
24-25 November 1998 ACTS Concertation Meeeting-
• 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
Evolution of Information & Communication Networks and Services
24-25 November 1998 ACTS Concertation Meeeting-
CORE NETWORKS CROSSROAD CORE NETWORKS CROSSROAD
MOBILE
SATELLITES
DATA
BROADCAST
PSTNISDN
CORE NETWORKS:• a crossroad with many
possible directions;• expected huge
increase of traffic;• different kinds of
vehicles;• at present without
traffic lights.
24-25 November 1998 ACTS Concertation Meeeting-
ACCESSNETWORKS
& ROUTING
CORE SWITCHING & ROUTING
IN & SERVICE NODES
NETWORK AND SERVICE MANAGEMENT
CORE TRANSPORTNETWORKS
CORE NETWORKS INTERRELATIONSCORE NETWORKS INTERRELATIONS
MOBILITY & SATELLITES
TERMINALS
SERVERS
24-25 November 1998 ACTS Concertation Meeeting-
COAX
ADSL
FIBRE
PSTN / ISDN
DataNetworks
SatelliteNetworks
BroadcastNetworks
MobileNetworks
RADIOACCESS
DIRECT SATELLITEACCESS
Information providers
Integration or Differentiation?
24-25 November 1998 ACTS Concertation Meeeting-
TELECOMCENTRAL OFFICE
BROADBANDSWITCH
CATVHEAD END
FIBRE
SCM
MUX
FIBRENODE
COAX
ADSL
RADIOACCESS
BS
FIBRE
SERVICE CENTRE
Information providers
ACCESS OPTIONS AND INFORMATION PROVISIONACCESS OPTIONS AND INFORMATION PROVISION
DIRECT SATELLITEACCESS
24-25 November 1998 ACTS Concertation Meeeting-
ATM Fabric
PSTN / ISDN
IP/ATMNetwork
Narrowband FabricCabinet
•SDHSDH•PDHPDH•CoaxCoax•WirelessWireless•SatelliteSatellite
Video Server
Network Server
Internet Server
Integration or Differentiation?
• DIFFERENT ACCESS SOLUTIONS (different clients & different locations);• SEPARATED NARROWBAND & BROADBAND SWITCHING & CORE NETWORKS;• DIFFERENT SERVERS (Network servers, Internet servers, video servers)
SatelliteNetworks
BroadcastNetworks
MobileNetworks
24-25 November 1998 ACTS Concertation Meeeting-
• 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
Evolution of Information & Communication Networks and Services
24-25 November 1998 ACTS Concertation Meeeting-
NETWORK REFERENCE ARCHITECTURE
TE
TE
TE
LE
LE
LE
EVOLUTION OF TELECOM NETWORKSEVOLUTION OF TELECOM NETWORKS
LE
24-25 November 1998 ACTS Concertation Meeeting-
SWITCHINGCONTROL
OSS
SWITCHING ARCHITECTURES - PASTSWITCHING ARCHITECTURES - PAST
CABINETS
COPPER PAIRS TELECOM CENTRAL OFFICE
COPPER CABLES
SWITCHINGFABRIC
POTS - ISDN
SIGNALLING NETWORK
EM -OAM
EXCHANGE TERMINATIONS
LINE STAGES
24-25 November 1998 ACTS Concertation Meeeting-
SWITCHINGCONTROL
OSS
SWITCHING ARCHITECTURES - PRESENTSWITCHING ARCHITECTURES - PRESENT
COPPER PAIRSTELECOM CENTRAL OFFICE
SWITCHINGFABRIC
POTS - ISDN
SIGNALLING NETWORK
EM -OAM
IDLC - OLT
FIBRE
FIBRE
LINE STAGES
EXCHANGETERMINATIONS
TMN
CATVDISTRIB.
COAX
ADSLSSP
24-25 November 1998 ACTS Concertation Meeeting-
SWITCHINGCONTROL
OSS
SWITCHING ARCHITECTURES - FUTURESWITCHING ARCHITECTURES - FUTURE
COPPER PAIRS + VDSL
TELECOM CENTRAL OFFICE
NARROWBANDSWITCHINGFABRIC POTS - ISDN
SIGNALLING NETWORK
EM -OAM
IDLC - OLT
FIBRE
FIBRE
NARROWBANDLINE STAGES
EXCHANGETERMINATIONS
TMN
CATVDISTRIB.
ATM NETWORK
ATMSWITCHINGFABRIC
BROADBANDLINE STAGES
SSP
24-25 November 1998 ACTS Concertation Meeeting-
• 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
Evolution of Information & Communication Networks and Services
24-25 November 1998 ACTS Concertation Meeeting-
• 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
- telephony- e-mail- cooperative work - security features - directory facilities
- end-to-end flow control- QoS performance
- transmission and switching capabilities
application
middleware
transport
bearer
EVOLUTION OF DATA NETWORKSEVOLUTION OF DATA NETWORKS
New reference models for the architecture of the Global Information Infrastructure:
24-25 November 1998 ACTS Concertation Meeeting-
CONTROL & MANAGEMENT
PACKET SCHEDULER
#PACKET CLASSIFIER(FORWARDING)
EVOLUTION OF ROUTERSEVOLUTION OF ROUTERS
GENERIC FAST PACKET SWITCH
OUTPUT BUFFERSHARED MEMORY
##
Buffer memoryForwarding engineForwarding engine
Sharedmemory
24-25 November 1998 ACTS Concertation Meeeting-
IEVOLUTION OF ROUTERSEVOLUTION OF ROUTERS
•GIGABIT- TERABIT ROUTERS•INTERNAL SPEED•LINE INTERFACES
THOUGHPUT
ROUTE TABLE LOOK-UP
BRANCHING
•ADDRESSING CAPABILITIES•PACKET FORWARDING•HEADER ANALYSIS •ROUTING PROCESSOR
•NUMBER OF PORTS•COMPLEXITY OF ROUTING ALGORITHMS
SCALABILITY
•INTERNET CORE NETWORKS•INTERNET/INTRANET BACKBONES•TRUNKING AND TRAFFIC AGGREGATION
•BUS•MATRIX
•ASICS•CAM DEVICES
•PACKET SCHEDULING•DIFFERENTIATED QOS
24-25 November 1998 ACTS Concertation Meeeting-
Enterprises
Consumers
ACCESS
CORE ROUTING & SWITCHINGEDGE
ROUTING
Server
Server
• Performance• Capacity• Scalability• Dependability• Congestion
control
• Packet classification• Access control• Resource management• Security/filtering• Traffic data collection• Profiles/service policy
Voice-Data Convergence
24-25 November 1998 ACTS Concertation Meeeting-
Enterprises
Consumers
Voice-Data Convergence
ACCESS
CORE ROUTING & SWITCHINGEDGE
ROUTING
Server
Server
• Very high performance
• Simplified functionalities
• Fault tolerance
• Rich, flexible and evolvable functionalities
• Support to the service policies of the operator
• Management support
24-25 November 1998 ACTS Concertation Meeeting-
Video-Data Convergence
•INTERNET ACCESS•PROCESSING POWER•RAM & DISK MEMORIES•INTERFACES
MULTIMEDIA PC
•SMALL VIDEOS
•LARGE VIDEOS•INTERFACES
TV & SET-TOP- BOX•LARGE FONTS
•LAN•DATA NETWORKS
•BROADCAST•CATV•SATELLITE
DataNetworks
BroadcastNetworks
24-25 November 1998 ACTS Concertation Meeeting-
• 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
Evolution of Information & Communication Networks and Services
24-25 November 1998 ACTS Concertation Meeeting-
– Portable PC + mobile phone
– geographical coverage
– Internet access
– Large offer of mobile services
MOBILE WORKPCMCIA card
ACCESS TO MOBILE SERVICES• Handheld• Car/trucks• Ships• Airplanes
• Voice• Data• Texts• Images
DIFFERENT KINDS OF MOBILE SERVICES
Fixed-Mobile ConvergenceFixed-Mobile Convergence
24-25 November 1998 ACTS Concertation Meeeting-
“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
DIFFERENT KINDS OF COVERAGE
Fixed-Mobile ConvergenceFixed-Mobile Convergence
24-25 November 1998 ACTS Concertation Meeeting-
“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
DIFFERENT KINDS OF COVERAGE
Fixed-Mobile ConvergenceFixed-Mobile Convergence
24-25 November 1998 ACTS Concertation Meeeting-
•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
Home
Office Mobile phonesPersonal phones
EVOLUTION TOWARDS PCSCordless phones
Fixed-Mobile ConvergenceFixed-Mobile Convergence
24-25 November 1998 ACTS Concertation Meeeting-
UPT
MOBILE RADIO
IN
USERUPT
PERSONAL MOBILITY
RADIO ACCESS
TERMINAL MOBILITY
PCS
SCP HLRVLR
(PERSONAL COMMUNICATION SERVICES)
EVOLUTION TOWARDS PCS
Fixed-Mobile ConvergenceFixed-Mobile Convergence
24-25 November 1998 ACTS Concertation Meeeting-
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 forresidential cordless)
OFFICE PICOCELLS(e. g. DECT cellsfor corporate wireless PABX)
STREET MICROCELLS(e. g. DECT microcells for radio access payphones)
MICROCELLS(e. g. DCS1800 microcells for microcellular mobile telephony)
EVOLUTION TOWARDS PCSMACROCELLS(e. g. satellites)
Fixed-Mobile ConvergenceFixed-Mobile Convergence
24-25 November 1998 ACTS Concertation Meeeting-
Houses: •extended cordless (e. g. DECT)
Offices: •wireless PABX (e. g. DECT) and also wireless LAN
Mobile phones:•GSM-DCS•bi-standard terminals (e. g. DECT-GSM)
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
EVOLUTION TOWARDS PCS
Global phones:•satellite phones•bi-standard terminals (e. g. GSM-Iridium)
Fixed-Mobile ConvergenceFixed-Mobile Convergence
24-25 November 1998 ACTS Concertation Meeeting-
VLR
RFP
VLR
VLR
VLR
HLR
SCP
SNSN
SN
Satellite
xDSL
xDSL
xDSL
INTERNETSERVER
RFPRFP
RFP
RFP
VIDEO SERVER
Fixed-Mobile ConvergenceFixed-Mobile Convergence
24-25 November 1998 ACTS Concertation Meeeting-
• 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
Evolution of Information & Communication Networks and Services
24-25 November 1998 ACTS Concertation Meeeting-
CONCLUSION - MULTISERVICE NETWORKSCONCLUSION - MULTISERVICE NETWORKS
PSTN / ISDN
DataNetworks
SatelliteNetworks
BroadcastNetworks
MobileNetworks
Key Objective:Development of enhanced core multiservice networks
Different Visions: •different networks•different industry sectors
24-25 November 1998 ACTS Concertation Meeeting-
• 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
CONCLUSION - MULTISERVICE NETWORKSCONCLUSION - MULTISERVICE NETWORKS
PSTN / ISDN
Classical Telecom sector •Classical Telecom Operators•Classical Telecom Manufacturers
Strengths:•Telecom Expertise•De Jure Standards•Network Interconnection•Scalability & Modularity
Weaknesses:•Poor Marketing expertise•Complex solutions•Poor flexibility•Slow Developments
24-25 November 1998 ACTS Concertation Meeeting-
CONCLUSION - MULTISERVICE NETWORKSCONCLUSION - MULTISERVICE NETWORKS
DataNetworks
Information Technology sector •ISP & New Operators•IT Manufacturers
• Internet approach: internetworking and IT services• Powerful Access/Transport Networks & Giga Routing• Giga/Tera routers; IP over SDH/WDM• Voice/Data Convergence• IT applications& Voice over IP• Interactive Multimedia & Web Servers
Strengths:•IT & Marketing Expertise•System Integration capabilities•Internetworking & flexibility•Quick Developments
Weaknesses:•Poor Telecom expertise•Proprietary Standards•Poor QoS and Security•Poor Scalability & Modularity
24-25 November 1998 ACTS Concertation Meeeting-
CONCLUSION - MULTISERVICE NETWORKSCONCLUSION - MULTISERVICE NETWORKS
MobileNetworks
Mobile Telecom sector •Mobile Operators•Mobile Manufacturers
• UMTS approach: universal mobile access and services• Radio access & enhanced GSM Core Networks• Mobile Data & Mobile IP• Fixed/Mobile Convergence• Terminal & Personal Mobility• Personalisation and Service Customisation
Strengths:•Telecom & Market Expertise•De Jure Standards•Service Interworking•Scalability & Modularity
Weaknesses:•Poor IT expertise•Complex solutions•Frequency allocation•Bandwidth limitation
24-25 November 1998 ACTS Concertation Meeeting-
CONCLUSION - MULTISERVICE NETWORKSCONCLUSION - MULTISERVICE NETWORKS
SatelliteNetworks
Satellite sector •Satellite Operators•Satellite Manufacturers
• Direct satellite access & mobile satellite services• Low Earth Orbit & Constellations of Satellites• Mobile Data & Mobile IP by Satellites• Direct Broadcasting by Satellites
Strengths:•Global coverage•Ubiquitous Services
Weaknesses:•System management•Costs & Prices•Limited capacity•Upstream bandwidth limitation
24-25 November 1998 ACTS Concertation Meeeting-
CONCLUSION - MULTISERVICE NETWORKSCONCLUSION - MULTISERVICE NETWORKS
BroadcastNetworks
Media & Consumer Electronics sector•Broadcasters•CATV•Media
• Digital Video Broadcasting & Interactive TV• CATV infrastructures• Pay-per-View & Pay-per-Channel• Near Video on Demand• Cable Modems for Data• General & Specialised TV channels
Strengths:•Media & Market Expertise•Huge Downstream bandwidth•Large amount of TV channels
Weaknesses:•Poor IT & Telecom expertise•Limited interactivity•Upstream bandwidth limitation
24-25 November 1998 ACTS Concertation Meeeting-
CONCLUSION - MULTISERVICE NETWORKSCONCLUSION - MULTISERVICE NETWORKS
Key Messages:•Development of enhanced core multiservice networks•Different network solutions•Cooperation & Competition among different industry sectors
Interoperability needs:•network interconnection;•service interworking•application interoperability
Concurrent, Ubiquitous and Seamless Service Provision