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Cooperations Aalto University LIG, Grenoble MIT Telecom SudParis ISAE

Team 5 permanent people 6 PhD students. Contracts ANR jeune chercheur CIFREs: Orange, TMG Intel. P2P, traffic analysis, neutrality. TCP in high BDP networks. Scheduling. Network coding. Ad-hoc networks. Administrative duties M1 IFI international M2 IFI Ubinet

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Cooperations Aalto University LIG, Grenoble MIT Telecom SudParis ISAE

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  1. Team • 5 permanent people • 6 PhD students • Contracts • ANR jeunechercheur • CIFREs: Orange, TMG • Intel P2P, traffic analysis, neutrality TCP in high BDP networks Scheduling Network coding Ad-hoc networks • Administrative • duties • M1 IFI international • M2 IFI Ubinet • Eletronic Department EPU • Cooperations • Aalto University • LIG, Grenoble • MIT • Telecom SudParis • ISAE Cognitive Radio, Continuous phase space-time coded modulation

  2. Focus on some topics : cloud networking • Cloud networking • Impact of virtualization layer (Vmware, Xen) on network performance • Delineating impact of CPU sharing, virtual switch, NIC virtualization, VM scheduling

  3. Example of results A bug in … Linux kernel of TCP at high speed  lack of fairness Finding the root was … complex

  4. Focus on some topics: video over mobile network • Video dominates traffic in mobile (3G/LTE) network • Stringent QoS • Question for ISP (Orange): budget resources so as to minimize cost while maintaining QoS • Problems (non exhaustive list) • Video download is a complex function of (smartphone, OS, Videocaster (YT, Dailymotion, )

  5. Galaxy S2: mobiles imposes specific pattern to server! (energy consumption)

  6. Minimizing Energy of Network • In data center: networking  10 to 20% of the total energy cost of data centers • ISP • Challenges addressed: • How to practically implement green routing? • Trade-off energy/QoS for users • How to efficiently simulate/evaluate? • Ns-3 extensions • SDN (Software Defined Network) testbed to be deployed in 2014 - joint effort with Coati

  7. Realistic data center topology Fully controlled testbed SDN enabled: new network paradigm

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