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Comnet Research Group

Comnet Research Group. Presentation : Ioannis Komnios. Zurich 28/01/ 200 9. COMNET Group Members. Group Leader: Prof. Vassilis TSAOUSSIDIS Greek National Delegate in FP7 Cooperation-Space ESA’s official Delegate in CCSDS Ph.D. Candidates : Sotirios DIAMANTOPOULOS Stelios DIMITRIOU

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Comnet Research Group

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  1. Comnet Research Group Presentation: Ioannis Komnios Zurich28/01/2009

  2. COMNET Group Members • Group Leader: Prof. Vassilis TSAOUSSIDIS • Greek National Delegate in FP7 Cooperation-Space • ESA’s official Delegate in CCSDS • Ph.D. Candidates: • Sotirios DIAMANTOPOULOS • Stelios DIMITRIOU • Ioannis KOMNIOS • Efthimios KOUTSOGIANNIS • Georgios PAPASTERGIOU • Christos SAMARAS • Aggeliki TSIOLIARIDOU • 5 Master Students

  3. COMNET Group Info • COMNETgroup’s official website: http://comnet.ee.duth.gr • Democritus University of Thrace • Department of Electrical and Computer Engineering • Located in Xanthi, Greece • 200m2 lab equipped with networked computers with • experimental protocols and tools, • emulation and simulation software • monitoring utilities

  4. Completed Project “Extending Internet into Space (Phase I)” • Project funded by the European Space Agency (ESA) • Objective: • To build a space-suitable set of Internetworking protocols to allow efficient communications and application diversity. • Protocols Developed • DS-TP: Deep Space Transport Protocol • DTTP: Delay Tolerant Transport Protocol

  5. Current Projects “Extending Internet into Space (Phase II): ESA/ESOC DTN/IP Testbed Implementation and Evaluation” • Project funded by the ESA • Objective: • The design of an appropriate DTN/IP Space-Ground testbed and associated scenarios for evaluation, mainly targeting Mars communications. • Participants: • Democritus University of Thrace (DUTH) • Hellenic Aerospace Industry (HAI)

  6. Current Projects “Distributed Information Storage and Communication in Outer Space (DISCOS)” • Project funded by ESA • Call under the Greece Industry Incentive Scheme • Objective • Assess the security requirements for DTN, propose a security architecture to satisfy them, implement the security mechanisms in a testbed and evaluate their system performance. • Participants • Democritus University of Thrace (DUTH) • Hellenic Aerospace Industry (HAI) • Industrial Systems Institute (ISI)

  7. Submitted & To Be Submitted Proposals “Space Routers” • Submitted to FP7 Space • Objective • The design and implementation of a Space Router, a crucial component for Space Internetworking. “Ongoing Proposal” • To be submitted to ESA Call • “ESA Ground segment data system architecture to support CFDP, Bundle Protocol and IP”

  8. Research Interests • Delay Tolerant Networks (DTN) • DS-TP, DTTP • Energy Saving Protocols • NCQ, SBT, LIBS • QoS • Equilibrium-RED, Head-to-tail, SSVP • Routing • Sensor Networks • Wireless Networks

  9. Publications2008 • I. Psaras, G. Papastergiou, V. Tsaoussidis, and N. Peccia • "DS-TP: Deep-Space Transport Protocol" • IEEE Aerospace Conference 2008, Montana, USA, March 2008 • Christos V. Samaras and V. Tsaoussidis • "DTTP: A Delay-Tolerant Transport Protocol for Space Internetworks" • 2nd ERCIM Workshop on eMobility, Tampere, Finland, May, 2008 • L. Mamatas and V. Tsaoussidis • "Differentiating Services with Non-Congestive Queuing (NCQ)" • IEEE Transactions on Computers, 2008 • S. Dimitriou and V. Tsaoussidis • "Equilibrium-RED: Adjusting RED's Dropping Probability for Maximum Fairness and Performance" • International Symposium on Computer Networks (ISCN 2008), Constantinople, Turkey, 18-20 June, 2008 • A. Tsioliaridou and V. Tsaoussidis • "On the properties of System-Wide Responsive Behavior" • 5th International Conference on Information Technology: New Generations (ITNG 2008), Las Vegas, Nevada, USA, April 2008

  10. Publication Highlights • Ioannis Psaras, Vassilis Tsaoussidis • "On the Properties of an Additive Increase Rate Accelerator" • Elsevier Computer Networks (COMNET) Journal, to appear. • L. Mamatas and V. Tsaoussidis • Differentiating Services with Non-Congestive Queuing (NCQ)" • IEEE Transactions on Computers, 2008 • C. Zhang and V. Tsaoussidis • “TCP Smoothness and Window Adjustment Strategy” • The IEEE Transactions on Multimedia , 2006 • V. Tsaoussidis and C. Zhang • "The dynamics of responsiveness and smoothness in heterogeneous networks" • IEEE Journal on Selected Areas in Communications, (JSAC), Special issue on Mobile Computing and Networking, vol. 23, no. 6, pp.1178-1189, June 2005 • V. Tsaoussidis and I. Matta • "Open issues on TCP for Mobile Computing" • The Journal of Wireless Communications and Mobile Computing, WCMC John Wiley & Sons, Issue 1, Vol. 2, February 2002 • V. Tsaoussidis, H. Badr • "TCP-Probing: Towards an Error Control Schema with Energy and Throughput Performance Gains" • The 8th IEEE Conference on Network Protocols, ICNP 2000, Osaka, Japan, November 2000

  11. Any questions? Thank you!

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