Comnet Research Group Presentation Ioannis Komnios Zurich 28012009

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

COMNET Group Members § Group Leader: Prof. Vassilis TSAOUSSIDIS ► Greek National Delegate in FP 7 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

COMNET Group Info ► COMNET group’s official website: http: //comnet. ee. duth. gr ► Democritus University of Thrace § Department of Electrical and Computer Engineering ► Located in Xanthi, Greece ► 200 m 2 lab equipped with networked computers with § experimental protocols and tools, § emulation and simulation software § monitoring utilities

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

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)

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

Submitted & To Be Submitted Proposals “Space Routers” ► Submitted to FP 7 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”

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

Publications 2008 ► 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" ► 2 nd ERCIM Workshop on e. Mobility, 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" ► 5 th International Conference on Information Technology: New Generations (ITNG 2008), Las Vegas, Nevada, USA, April 2008

Publication Highlights ► Ioannis Psaras, Vassilis Tsaoussidis § ► Differentiating Services with Non-Congestive Queuing (NCQ)" ► IEEE Transactions on Computers, 2008 C. Zhang and V. Tsaoussidis § ► ► Elsevier Computer Networks (COMNET) Journal, to appear. L. Mamatas and V. Tsaoussidis § ► "On the Properties of an Additive Increase Rate Accelerator" “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 8 th IEEE Conference on Network Protocols, ICNP 2000, Osaka, Japan, November 2000

Any questions? Thank you!