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Comnet Research Group Presentation: Presentation: Ioannis Komnios Ioannis Komnios Zurich 28/01/2009.

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Presentation on theme: "Comnet Research Group Presentation: Presentation: Ioannis Komnios Ioannis Komnios Zurich 28/01/2009."— Presentation transcript:

1 Comnet Research Group Presentation: Presentation: Ioannis Komnios Ioannis Komnios Zurich 28/01/2009

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

3 COMNET Group Info COMNET groups official website: COMNET groups official website: Democritus University of Thrace Democritus University of Thrace Department of Electrical and Computer Engineering Department of Electrical and Computer Engineering Located in Xanthi, Greece Located in Xanthi, Greece 200m 2 lab equipped with networked computers with 200m 2 lab equipped with networked computers with experimental protocols and tools, experimental protocols and tools, emulation and simulation software emulation and simulation software monitoring utilities monitoring utilities

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

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

6 Current Projects Distributed Information Storage and Communication in Outer Space (DISCOS) in Outer Space (DISCOS) Project funded by ESA Project funded by ESA Call under the Greece Industry Incentive Scheme Call under the Greece Industry Incentive Scheme Objective 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. 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 Participants Democritus University of Thrace (DUTH) Democritus University of Thrace (DUTH) Hellenic Aerospace Industry (HAI) Hellenic Aerospace Industry (HAI) Industrial Systems Institute (ISI) Industrial Systems Institute (ISI)

7 Submitted & To Be Submitted Proposals Space Routers Submitted to FP7 Space Submitted to FP7 Space Objective 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) Delay Tolerant Networks (DTN) DS-TP, DTTP DS-TP, DTTP Energy Saving Protocols Energy Saving Protocols NCQ, SBT, LIBS NCQ, SBT, LIBS QoS QoS Equilibrium-RED, Head-to-tail, SSVP Equilibrium-RED, Head-to-tail, SSVP Routing Routing Sensor Networks Sensor Networks Wireless Networks Wireless Networks

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