Internetworked Systems Lab

Ioannis Psaras

Contact Info

Address: Vas. Sofias 12 Str., Xanthi, Greece
ZipCode: 67100
Telephone: +302541079953
Fax: +302541083551
E-mail: ipsaras (at)
g-mail: ipsaras (at)

Personal Home Page

Past - Present

  • Born: London (UK), 02/05/1981
  • Diploma: Dept. of Electrical and Computer Engineering, Demokritos University of Thrace, Greece (2004)
  • Current Position: PhD Student at Demokritos University of Thrace, Greece, Advisor: Prof. Vassilis Tsaoussidis
  • Ph.D. Dissertation: Transmission and Retransmission Scheduling for Terrestrial and Space Internetworks (Dissertation Preface)
  • Research Interests: Congestion/Flow Control, Transport Protocols and their behavior over Wired/Wireless Networks

Professional Experience

Awards - Honors

Reviewer Activities:



Giorgos Papastergiou, Ioannis Psaras and Vassilis Tsaoussidis
"Deep-Space Transport Protocol: A Novel Transport Scheme for Space DTNs"
Computer Communications (COMCOM), Elsevier Science, Special Issue on
Delay-/Disruption-Tolerant Networks, to appear.

Ioannis Psaras, Vassilis Tsaoussidis
"On The Properties of an Adaptive TCP Minimum RTO"
Computer Communications (COMCOM), Elsevier Science, accepted.

Ioannis Psaras, Vassilis Tsaoussidis
 "On the Properties of an Additive Increase Rate Accelerator"
Elsevier Computer Networks (COMNET) Journal, to appear.

I. Psaras, V. Tsaoussidis
"Why TCP Timers (still) Don't Work Well"
Computer Networks Journal (COMNET), Elsevier Science.

I.Psaras, L.Mamatas and V.Tsaoussidis,
"On Protocol Engineering: Detect Confirm and Adjust" 
International Journal of Internet Protocol Technology (IJIPT), Indersciense Publishers


I. Psaras and V. Tsaoussidis,
"AIRA: Additive Increase Rate Accelerator",
IFIP NETWORKING 2008, Singapore

I. Psaras, G. Papastergiou, V. Tsaoussidis, and N. Peccia,
"DS-TP: Deep-Space Transport Protocol", IEEE Aerospace Conference 2008, Montana, USA, March 2008.

I.Psaras, V.Tsaoussidis
"The TCP Minimum RTO Revisited"
IFIP NETWORKING 2007 Georgia Tech Hotel, Atlanta, GA, USA

I.Psaras, V.Tsaoussidis
"WB-RTO: A Window-Based Retransmission Timeout"
GLOBECOM 2006, Control and Management of High Performance Networks, San Francisco, California, USA, presentation (.ppt)

I. Psaras, L. Mamatas and Paulo Mendes
"QoS Control in Next Generation IP Networks: An Experimental Analysis of Flow-based and SLS-based Mechanisms"
Workshop on Networking in Public Transport (WNEPT 2006) in conjuction with QShine 2006, Ontario, Canada .

I.Psaras, V.Tsaoussidis, L.Mamatas
"CA-RTO: A Contention Adaptive Retransmission Timeout"
International Conference on Computer Communications and Networks, ICCCN 2005, San Diego, California USA, Funded by the European Commision and the Project PENED 2003 of GSRT

S. Kontogiannis, L. Mamatas, I. Psaras and V. Tsaoussidis,
"Measuring Transport Protocol Potential for Energy Efficiency"
Wired/Wireless Internet Communications, WWIC 2005, Xanthi, Greece

I.Psaras, L.Mamatas and V.Tsaoussidis,
"Shaping TCP Traffic in Heterogeneous Networks"
 Performance Modeling and Evaluation of Heterogeneous Networks, HET-NETS 2004, Ilkley, UK