Research Interests


  • Information-Centric Networks (ICN): Architectures, Naming and Addressing, In-Network Caching, Resource Allocation and Congestion Control, Mobility Management

  • Broadband Wi-Fi Access Sharing - User-Provided Networks: Network resource allocation to owners and guests, QoE for Nomadic Mobile Users, Last-mile Wireless Traffic Load-Balancing

  • Delay-/Disruption-Tolerant and Opportunistic Networks: QoS-driven DTN Routing, Content Delivery and Resource Allocation in Mobile Environments, Feedbackless Systems

  • Transport Layer Networking - Congestion Control: Resource Pooling, Multipath Transport, Queuing, Active Queue Management


  • Awards

    Best Paper Award at ACM MobiArch 2016


    Ioannis Psaras, Sergi Rene, Kostantinos V. Katsaros, Nikolaos Bezirgiannidis, Vasilis Sourlas, Sotiris Diamantopoulos, Ioannis Komnios, Vassilis Tsaoussidis, George Pavlou
    “Keyword-Based Mobile Application Sharing” ACM MobiArch 2016, New York, October 2016.

    Best Paper Award at IEEE LANMAN 2016


    Onur Ascigil, Vasilis Sourlas, Ioannis Psaras and George Pavlou,
    “Opportunistic Off-Path Content Discovery in Information-Centric Networks” IEEE LANMAN, Rome, Italy, June 2016.

    Best Paper Award at IFIP Networking 2015


    Vasilis Sourlas, Leandros Tassiulas, Ioannis Psaras and George Pavlou,
    “Information Resilience through User-Assisted Caching in Disruptive Content-Centric Networks” 14th IFIP NETWORKING, Toulouse, France, May 2015.

    Best Paper Award at IFIP Networking 2012


    Wei Koong Chai, Dilliang He, Ioannis Psaras, George Pavlou
    “Cache Less for More In Information-Centric Networks” IFIP NETWORKING 2012, Prague, Czech Republic, May 2012.

    Ericsson Award of Excellence in Telecommunications 2004"




    Technical Programme Committee

    • IEEE WoWMoM 2017
    • IFIP Networking 2009, 2012, 2016
    • ACM ICN 2015, 2016, 2017
    • IEEE Infocom Global Internet Symposium 2014-2017
    • IEEE LANMAN 2015-2017
    • ACM SIGCOMM Workshop on ICN 2013
    • WWIC 2011-2017
    • IEEE ICCCN 2009-2017
    • IEEE ICC 2010-2016
    • IEEE GLOBECOM 2009-2015
    • IEEE LCN 2010- 2015
    • IEEE PIMRC 2009, 2012
    • ... several others


    Talks (excluding conference presentations)

    • "Information Resilience through User-Assisted Caching in Disruptive Content-Centric Networks", CleanSky Conference, NEC Labs Europe, Heidelberg, 29th February 2016
      paper slides

    • "Understanding Sharded Caching Systems", Athens University of Economics and Business, 23rd February 2016
      paper slides

    • "Revisiting Resource Pooling: The Case for In-Network Resource Sharing", Open ICN Workshop, Waseda, Tokyo, 30th Oct 2015
      paper slides

    • "Overview, Challenges and Prospects of the Information-Centric Networking Paradigm", I-CAN Workshop, Athens University of Economics and Business, Athens, Greece, 3rd June 2015
      paper slides

    • "Solving the Congestion Problem using ICN Principles", IRTF ICNRG Meeting, Prague, Czech Republic, July 2015
      paper slides

    • "Solving the Congestion Problem using ICN Principles", Cosener’s House, UK, July 2015
      paper slides

    • "Overview, Challenges and Prospects of the Information-Centric Networking Paradigm", Warwick University, UK, April 2015
    • "Overview, Challenges and Prospects of the Information-Centric Networking Paradigm", Queen Mary University of London, UK, April 2015
    • "Information Exposure through Named Content and Implications on Disaster Management", 2nd GAIA Meeting, University of Cambridge, Computer Lab, 20th Oct 2014
      paper slides

    • "Information Exposure through Named Content and Implications on Mobile Computing", Workshop on 5G Wireless Communications, King’s College London, UK, 11th July 2014
      paper slides

    • "Information Exposure through Named Content and Implications on Mobile Computing", 2014 Symposium on Service-Oriented Next Generation Networks (SONET), Liverpool, UK, 4th July 2014
      paper slides

    • "Name-based Replication Priorities in Disaster Cases", University of Sussex, 26th February 2014
    • "In-Network Caching in Information-Centric Networks: Trends and Challenges for Future Research and Deployment", Ulusofona, C-BRAIN Talk, 21st January 2014
    • "In-Network Caching in Information-Centric Networks: Trends and Challenges for Future Research and Deployment", T-Labs, Berlin, July 2013
    • "CURLING: Content-Ubiquitous Resolution and Delivery Infrastructure for Next Generation Services", PURSUIT Workshop, University of Essex, UK, January 2013
    • "Resource Management and Congestion Control for In-Network Caching Environments", COMET/PURSUIT Workshop, UCL, UK, 30 October 2012
    • "Caching in Information-Centric Networks: Current Trends and Future Challenges", Centre for Telecommunications Research, Flexible Networks Workshop, University of Surrey, UK, 25 April 2012
    • "Caching in Information-Centric Networks: Current Trends and Future Challenges", Centre for Telecommunications Research, King’s College London, UK, 18 April 2012
    • "Modelling and Evaluation of CCN Caching Trees", Democritus University of Thrace, Greece, February 2011