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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 KoreaYanghee ChoiSeoul National University,Future Internet ForumInternet 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 ChoiR&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 ChoiFundamental 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 ChoiResearch Topics - 20082008 Yanghee ChoiResearch 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 ChoiArchitecture (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
  • 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
  • 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
  • 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
  • Architecture (5/5)
  • Measurement System (KAIST)
  • Goal
  • Design and implementation of a measurement system for Future Internet
  • Improve Delay Estimation with Path Stitching
  • ad?1. Given user query: Path and end-to-end delay between a and d2. AS path inference:3. Path segments:4. Path stitching:5. Path trimming:Query processingA B C Dc1 c2a1 a2 a3 a4b1 b2 b3 b4d1 d2 d3a2 a3 a4d1 d2Wireless (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 AccessDistributed CR MACAb0Ab0Ba18Ba18Ba6Ba6Aa20Aa20Aa5Aa5Aa13Aa13Wireless (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
  • sourceAggregationApplication AAApplication Transport TTApp. Adaptor Common Code BaseCommon Code BaseNetwork NNProtocol StackLogical LinkLLUser MACMAC MMSchedulerPhysicalPPH/W AdaptorPropagationOS (Linux)SchedulerD/DOS (Linux)MACGloMoSim SimulatorTestbed NodeWireless (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
  • 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 TopologyMeasure Fairness of TCP trafficDACON userDACON hostDACON portalDACON border portalPeer LinkInternal LinkExternal LinkServices (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
  • 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 ProfilePotential GroupProfileApplication User ProfilePotential GroupProfileUser SimilarityApplicationUser SimilarityWeighted SumPotential GroupSimilarityServices (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 CostDistributed Indexing for Multidimensional dataEstablished in 2006 to promote R&D collaborations in Future networkingBuilding research communitieshttp://fif.krWorkshops, seminars, publicationsResearch CouncilGeneral guidelines, technical documentsWorking groupsArchitectureWirelessServiceTestbedPolicyFuture Internet Forum2008 Yanghee ChoiFI (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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