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Future Internet in Korea

Future Internet in Korea. Yanghee Choi Seoul National University, Future Internet Forum. Internet in Korea. Wireline subscribers : 23.3 million (Oct. 2007) Cellular : 43 million Internet Users : 34.4 M (75.5%) IPv4 addresses : 58.8 M High speed Internet subscribers : 14.7 M (Nov.2007)

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Future Internet in Korea

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  1. Future Internet in Korea Yanghee Choi Seoul National University, Future Internet Forum

  2. Internet in Korea • Wireline subscribers : 23.3 million (Oct. 2007) • Cellular : 43 million • Internet Users : 34.4 M (75.5%) • IPv4 addresses : 58.8 M • High speed Internet subscribers : 14.7 M(Nov.2007) • xDSL 31.8% • cable modem 34.9% • apartment LAN 28% • FTTH 5.3% • 90.8% of all households 2008 Yanghee Choi

  3. R&D projects • Fundamental Technologies for Future Internet • 2007 – 2009 (3 years) • 1.2 BWon/year • Future Internet related Innovative Research • From 2008 • 3-5 year projects for universities (0.2-0.5 BWon/year) • Robust Mobility Management • Network Monitoring and Measurement at micro-level • Personalized Service Architecture • Security for Survivable Networks • IT Research Center on Future Internet (2008-2011) 2008 Yanghee Choi

  4. Fundamental Technologies for Future InternetProject details • R&D Planning (through Future Internet Forum) • Identify long-term R&D topics • Predict the future technologies • Promote collaborations • Work on selected research topics (universities) • Architecture • Wireless • Services • Participation to Standard Activities • IETF, ITU, IEEE, forum etc. 2008 Yanghee Choi

  5. Research Topics - 2008 2008 Yanghee Choi

  6. Research items • Testbeds • Virtualized WirelessMesh (KAIST) • Cognitive Radio (SNU) • Virtualized Femtocell (SNU) • Context-aware (ICU) • Mobility (KU) • Measurement (KAIST) • Pioneering concepts • Content-driven (SNU) • Cross-layer (POSTECH) • Micro-management (KAIST) • Hard security (SNU) • Disruption Tolerant Network (SNU) 2008 Yanghee Choi

  7. Architecture (1/5) • Wireless Testbed (Seoul National University) • Goal • Develop a general testbed for cellular networks • Cell-lab • Uses WCDMA as access technology • Virtualization of base station by base station head • Users can access remotely to the mobile station and base station through Internet

  8. Architecture (2/5) • Transport Architecture in Optical Core Network (Seoul National University) • Goal • Design a flow-based transport architecture in optical network • Hierarchical TDM & WDM Optical Transport Architecture • Dispersing a load of core edge (ingress/egress) node to metro nodes • Switching at Optical layer is expanded into MAN

  9. Key Distribution Center (KDC) Broadcasting Message : Architecture (3/5) • Security Architecture (Seoul National University) • Goal • Develop an efficient multicast key management scheme • Balance the logical key hierarchy to reduce network overhead for rekeying • Analyze average number of rekeying message considering user mobility

  10. Architecture (4/5) • DTN Interworking Architecture (Seoul National University) • Goal • Develop a programmable emergency network architecture • Propose a DTN-based emergency network framework to monitor disaster areas

  11. Architecture (5/5) • Measurement System (KAIST) • Goal • Design and implementation of a measurement system for Future Internet • Improve Delay Estimation with Path Stitching a d ? 1. Given user query: Path and end-to-end delay between a and d 2. AS path inference: 3. Path segments: 4. Path stitching: 5. Path trimming: Query processing A B C D c1 c2 a1 a2 a3 a4 b1 b2 b3 b4 d1 d2 d3 a2 a3 a4 d1 d2

  12. Wireless (1/4) • Cognitive Radio System (Seoul National University) • Goal • Propose a new PHY/MAC for Cognitive Radio System • Analyze centralized/distributed cognitive radio MAC • Analyze spectrum sharing based on overlay/underlay access Overlay Spectrum Access Distributed CR MAC

  13. Ab0 Ab0 Ba18 Ba18 Ba6 Ba6 Aa20 Aa20 Aa5 Aa5 Aa13 Aa13 Wireless (2/4) • Indirection Multicast System (Seoul National University) • Goal • Propose an indirection-based multicast in Future Internet • Propose a hierarchical indirection multicast (HIM) • Reflect physical network hierarchy on the logical identifier source Aggregation

  14. Application A A Application Transport T T App. Adaptor Common Code Base Common Code Base Network N N Protocol Stack Logical Link L L User MAC MAC M M Scheduler Physical P P H/W Adaptor Propagation OS (Linux) Scheduler D/D OS (Linux) MAC GloMoSim Simulator Testbed Node Wireless (3/4) • Wireless Mesh Network (KAIST) • Goal • Develop multi-hop wireless access system architecture and protocols for Future Internet Testbed • Develop a code set that can be shared both simulator and testbed node

  15. Wireless (4/4) • QoS Support in Wireless Access (KAIST) • Goal • Develop a resource sharing scheme to guarantee QoS in multi-hop wireless network • Propose a fair rate-allocation scheme • Propose an assured forwarding service in multi-hop network Simple Mesh Topology Measure Fairness of TCP traffic

  16. DACON user DACON host DACON portal DACON border portal Peer Link Internal Link External Link Services (1/3) • Content-Oriented Network (Seoul National University) • Goal • Develop a content-oriented network architecture and services • Propose an user-assisted content-oriented overlay networking architecture • Make user-deployable devices (e.g. AP, home BS, etc) form a novel network for a content distribution service

  17. Services (2/3) • Interaction Protocol for context-aware Services (ICU) • Goal • Develop context-aware interaction protocol in mobile ad hoc network • Propose an immediate context-aware network architecture • Common discovery layer, Profile matching User Profile Potential Group Profile Application User Profile Potential Group Profile User Similarity Application User Similarity Weighted Sum Potential Group Similarity

  18. Services (3/3) • Object/Service Discovery (ICU) • Goal • Develop a semantic resource discovery in MANET/SensorNet environment • Propose a Multiple Distributed Indices (MDI) to enhance locality preserving • Supporting high-dimensional Range Query in MANET/SensorNet Query Size vs. Average Cost Distributed Indexing for Multidimensional data

  19. Established in 2006 to promote R&D collaborations in Future networking Building research communities http://fif.kr Workshops, seminars, publications Research Council General guidelines, technical documents Working groups Architecture Wireless Service Testbed Policy Future Internet Forum 2008 Yanghee Choi

  20. FI (Future Internet) Events • International Conferences • “Internet of the Future”, July 20-22, 2006, Seoul, Korea • International Future Internet Workshop 2007, July 9-10, 2007, Seoul National University • International Conference on Future Internet 2008, June 18-20, Seoul, Korea • Future Internet Camp • Aug. 20-22, 2007, Jeju Island • Feb. 18-22, Seoul National University (with AsiaFI school) • Aug. 25-28, Jeju Island (with AsiaFI school) 2008 Yanghee Choi

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