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COMNET Research Unit

COMNET Research Unit. Dept. of Electrical and Computer Engineering Democritus University of Thrace, Greece http://comnet.ee.duth.gr/comnet/. Members. FACULTY: V. Tsaoussidis (networks), P. Efraimidis (algorithms) Members: Ph.D students: L. Mamatas, Energy Saving Protocols

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COMNET Research Unit

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  1. COMNET Research Unit Dept. of Electrical and Computer Engineering Democritus University of Thrace, Greece http://comnet.ee.duth.gr/comnet/

  2. Members • FACULTY: • V. Tsaoussidis (networks), • P. Efraimidis (algorithms) • Members: • Ph.D students: • L. Mamatas, Energy Saving Protocols • I. Psaras, Congestion Control, SCTP • P. Papadimitriou, Real-time traffic over heterogeneous nets • A. Tsioliaridou, Non-congestive queuing, scheduling • A. Arsakian, Budget-oriented packet services (BOPS) • C. Samaras, QoS • S. Dimitriou, • G. Papastergiou • Recent Ph.D graduates: • Chi Zhang, FIU, USA – A. Lahanas, UCY

  3. Projects • Designing Responsive Protocols for Grids • Budget 67KEuro, Greek Research Foundation, until 2007 • Energy-saving Transport Protocols for Heterogeneous Wired/Wireless Networks • Budget: 146 KEuro, Greek Research Foundation, until 2008 • Extending Internet into Space • European Space Agency, Budget ~1MEuro until 2010

  4. Activities • WWIC, Wired/Wireless Internet Communications • Journal of Internet Engineering, Klidarithmos Press (www.jie-online.org) • Boards • IEEE Transactions on Mobile Computing, by IEEE • Computer Networks , by Elsevier • The Journal of Wireless Communications and Mobile Computing , by Wiley • The journal of Mobile Multimedia, Rinton Press • International Journal of Parallel, Emergent and Distributed Systems, Taylor & Francis

  5. Sample Recent Publications • 1.I. Psaras, V. Tsaoussidis"Why TCP Timers (still) Don't Work Well"Computer Networks Journal (COMNET), Elsevier Science, 2007 • 2. L. Mamatas and V. Tsaoussidis, “Exploiting Energy-saving Potential in Heterogeneous Networks”, International Journal of Parallel, Emergent and Distributed Systems (IJPEDS), Taylor and Francis, 2007 • 3. C. Zhang and V. Tsaoussidis, “TCP Smoothness and Window Adjustment Strategy”The IEEE Transactions on Multimedia , 2006 • 4. V. Tsaoussidis and C. Zhang,"The dynamics of responsiveness and smoothness in heterogeneous networks“IEEE Journal on Selected Areas in Communications, (JSAC), vol. 23, no. 6, pp.1178-1189, June 2005

  6. Topics of Interest • Transport over wired/wireless • Energy aspects (transmission/queuing) • Internetworking with sensors • Algorithmic aspects of ad hoc networks

  7. Transport over wired/wireless • Already a “classic” research topic • Still calls for improvements in areas such as • Congestion control and transmission policies • Protocol headers • Energy performance

  8. Energy aspects • Energy potential and energy expenditure • Risk Index – System Efficiency • Cross-layer optimization • Queuing/Scheduling/Dropping Policies for energy efficiency of mobile applications

  9. Internetworking with sensors • Global Internetworking • Reliable Sensor Protocols • Less Impact – Better Service • Non Congestive Queuing • Algorithmic Aspects of Sensor Networks

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