![NGN Architecture & Interworking Issues ICN CP SE NSR [email_address] Asia-Pacific Telecommunity Workshop on Next Generation Networks 8 August 2003, Seoul, Republic of Korea](https://image.slidesharecdn.com/astap03wsngn08283/75/astap03wsngn08-1-2048.jpg?cb=1669321277)
![Uncertainties Leading to Extreme Outcomes Scenario Dimensions User behavior… Extreme Outcomes for Fixed Network Customer ownership… Business Model… Major Uncertainties Regional balance… Network- or terminal-centric… Second Order Uncertainties Regulatory impact … Rise of global operators… ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/astap03wsngn08283/75/astap03wsngn08-2-2048.jpg?cb=1669321277)
![Five Scenarios to Think about ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/astap03wsngn08283/75/astap03wsngn08-3-2048.jpg?cb=1669321277)
![Why Scenario Analysis? Level of uncertainty A clear enough future tobacco industry A few alternative futures defense industry A range of futures e-Business True ambiguity biotechnology low high telecommunications industry scenarios help to structure uncertainties and reduce the complexity of the future ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],scenario slides adopted from ICM N](https://image.slidesharecdn.com/astap03wsngn08283/75/astap03wsngn08-4-2048.jpg?cb=1669321277)
![Customer Ownership in Deregulated Markets ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/astap03wsngn08283/75/astap03wsngn08-7-2048.jpg?cb=1669321277)
![Network Solutions to Own the Customer ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/astap03wsngn08283/75/astap03wsngn08-8-2048.jpg?cb=1669321277)
![New Service Control Architecture ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],WLAN On the Move POTS / ISDN PSTN Home Broad- band home, SME IP Core (MPLS) Core VPN HGW xDSL ATM / Ethernet Access Edge Router Content domain Service Delivery Domain Service Intelligence Domain Policy management (service control) Network / service management WLAN BS](https://image.slidesharecdn.com/astap03wsngn08283/75/astap03wsngn08-10-2048.jpg?cb=1669321277)
![Extension: Full Network QoS & Resilience Our approach / solution ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Challenges ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/astap03wsngn08283/75/astap03wsngn08-11-2048.jpg?cb=1669321277)
![Next generation applications M ulti-media across any NGN Presence Conferencing Messaging … ,[object Object],Call Control Softswitch, (Call Agent, MSC-S, CSCF, MGCF) Signaling (STP, SGW, GTT, LNP) Service Control Applications / content Telecommunication operator CORBA PARLAY Open application interfaces SIP](https://image.slidesharecdn.com/astap03wsngn08283/75/astap03wsngn08-14-2048.jpg?cb=1669321277)
![Hosting Services in the Access Customer premise Aggregation Metro Ring Edge DSLAM Edge Router BB-RAS Aggregation switch ,[object Object],[object Object],[object Object],Storage Splitter](https://image.slidesharecdn.com/astap03wsngn08283/75/astap03wsngn08-15-2048.jpg?cb=1669321277)
![Summary ,[object Object],[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/astap03wsngn08283/75/astap03wsngn08-16-2048.jpg?cb=1669321277)
ASTAP03/WS-NGN/08
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ASTAP03/WS-NGN/08
- 1. NGN Architecture & Interworking Issues ICN CP SE NSR [email_address] Asia-Pacific Telecommunity Workshop on Next Generation Networks 8 August 2003, Seoul, Republic of Korea
- 5. Mapping of Value Chain on Network Components value chain A monolithic carrier structure typically corresponds a clearly defined, simple user interface. NT customer premise (metro-) access (metro-) core gateways, incl. RAS long haul Media Gateway Control, application servers User I/F Contents Contents provisioning Applications and service control Routing and Switching Connectivity services IAD PBX
- 6. Fragmented Network Landscape in Deregulated Markets In deregulated markets, even simple services involve a multitude of networks and interfaces. NT customer premise (metro-) access (metro-) core gateways, incl. RAS long haul Media Gateway Control, application servers value chain User I/Fs : Network interface, mostly based on Service Level Agreements – SLA – Contents IAD PBX Contents provisioning Applications and service control Routing and Switching Connectivity services
- 9. Transition from ATM to Ethernet Access Customer premise Line Multiplexing Edge Backbone Access Aggregation IAD Service-aware DSLAM Edge Router IAD Internet Access Utilization of MPLS Label Switched Paths instead of ATM PVCs. Label Edge Router Traffic aggregation based on Ethernet One Label Switched Path per service Ethernet DSLAM Eth. Switch Media Gateway Controller Trunk Gateway Video Server Voice Service (TDM-like) Internet Service (Best effort-like) Video Service (Streaming-like) ATM/DSL or Ethernet/DSL
- 12. Example for Peer-to-Peer challenge Who's selling the services with SIP? PER IP PER LAN IP IP SIP Phone DSL Modem DSL Modem SIP SIP SIP Call data IP IP IP Connectivity Applications Presence IM MyService 3 rd party appli- cations Session Control Layer Security, Authentication DSL Modem Network Layer SIP Proxy Server SIP Proxy Server AS SIP MM PC MM PC
- 13. End-to-end Business Relations IP network 1 IP Host e.g. phone MM PDA PC Mobile SIP phone . . IP network 2 IP network x SLA SLA Service Provider A E2E business relation Service Provider B Missing Link: Clearing and authorization!