Papers i have authored and co-authored.


Peer-to-Peer and Content Distribution


R. G. Clegg, J. Spencer, R. Landa, M. Thakur, M. Rio, “Pushing Software Defined Networking to the access”, to appear in Proceedings of the European Workshop on Software Defined Networking (EWSDN), September 2014, Budapest, Hungary (pdf).

R. G. Clegg, R. Landa, J. T. Araujo, E. Mykoniati, D. Griffin, M. Rio, “TARDIS: Stably shifting traffic in space and time”, short paper to appear in Proceedings of ACM SIGMETRICS, June 2014, Texas, USA (extended version).

D. Tuncer, M. Charalambides, R. Landa, G. Pavlou, “More Control Over Network Resources: An ISP Caching Perspective”, to appear in Proceedings of the 9th International Conference on Network and Service Management (CNSM), October 2013, Zurich, Switzerland (pdf).

R. Landa, E. Mykoniati, R. G. Clegg, D. Griffin, M. Rio, “Modelling the Tradeoffs in Overlay-ISP Cooperation” (SpringerLink), in Proceedings of the 11th International IFIP TC 6 Networking Conference (NETWORKING), May 2012, Prague, Czech Republic (pdf).

R. Landa, E. Mykoniati, D. Griffin, M. Rio, N. Schwan, I. Rimac, “Overlay Consolidation of ISP-Provided Preferences” (IEEE Xplore), in Proceedings of the International Symposium on Parallel and Distributed Processing with Applications (ISPA), July 2012, Madrid, Spain (pdf).

A. Bradai, U. Abbasi, R. Landa, T. Ahmed, “An Efficient Playout Smoothing Mechanism for Layered Streaming in P2P Networks”, in Peer-to-Peer Networking and Applications (PPNA), 2012 (pdf).

I. Psaras, R. G. Clegg, R. Landa, W. K. Chai, G. Pavlou, “Modelling and Evaluation of CCN-Caching Trees”, in Proceedings of the 10th International IFIP TC 6 Networking Conference (NETWORKING), 2011 (pdf).

F. V. Hecht, T. Bocek, R. G. Clegg, R. Landa, D. Hausheer, B. Stiller, “LiveShift: Mesh-Pull Live and Time-Shifted P2P Video Streaming” (IEEE Xplore), in Proceedings of the 36th IEEE Conference on Local Computer Networks (LCN), October 2011, Bonn, Germany (pdf)(Tech Report).

R. Landa, D. Griffin, R. G. Clegg, E. Mykoniati, M. Rio, “A Sybilproof Indirect Reciprocity Mechanism for Peer-to-Peer Networks” (IEEE Xplore), in Proceedings of the 28th IEEE International Conference on Computer Communications (INFOCOM), April 2009, Rio de Janeiro, Brasil (pdf).

E. Mykoniati, L. Latif, R. Landa, B. Yang, R. G. Clegg, D. Griffin, M. Rio, “Distributed Overlay Anycast Table using Space Filling Curves” (ACM Digital Library), in Proceedings of the Global Internet Symposium (GI), IEEE INFOCOM Workshops, 2009 (pdf).

R. Landa, M. Rio, D. Griffin, R. G. Clegg, E. Mykoniati, “Incentives Against Hidden Action in QoS Overlays”, in Proceedings of the Eighth International Conference on Peer-to-Peer Computing (P2P), 2008 (pdf).

R. G. Clegg, D. Griffin, R. Landa, E. Mykoniati, M. Rio, “The performance of locality-aware topologies for peer-to-peer live streaming”, in IET Software (IEEE Xplore, pdf). [Short version in Proceedings of the UK Performance Engineering Workshop (UKPEW), 2008 (pdf)].

E. Mykoniati, R. Landa, S Spirou, R. G. Clegg, L. Latif, D. Griffin, M. Rio, “Scalable peer-to-peer streaming for live entertainment content”, IEEE Communications Magazine, vol. 46, no. 12, pp. 40-46, December 2008 (pdf).

My PhD Thesis: “Incentive-Driven QoS in Peer-to-Peer Overlays”, UCL, 2010 (pdf).



Routing and Transport Resilience


J. Araujo, R. Landa, R. Clegg, G. Pavlou, “Software-defined network support for transport resilience”, to appear in Procceedings of the IEEE/IFIP Network Operations and Management Symposium (NOMS), May 2014 (pdf).

S. S. Lor, R. Landa, M. Rio, “Packet Re-cycling: Eliminating Packet Losses due to Network Failures”, in Procceedings of the ACM Workshop on Hot Topics in Networks (HotNets), October 2010 (pdf).

S. S. Lor, R. Ali, R. Landa, M. Rio, “Recursive Loop-Free Alternates for Full Protection Against Transient Link Failures”, in Proceedings of the IEEE Symposium on Computers and Communications (ISCC), June 2010 (pdf).

S. S. Lor, R. Landa, R. Ali, M. Rio, “Handling Transient Link Failures Using Alternate Next Hop Counters”, in Proceedings of the 9th International IFIP TC 6 Networking Conference (NETWORKING), 2010 (pdf).



Internet Measurement


J. T. Araujo, R. Landa, R. G. Clegg, K. Fukuda, G. Pavlou, “A longitudinal analysis of Internet rate limitations”, to appear in Proceedings of the 33rd IEEE International Conference on Computer Communications (INFOCOM), April 2014, Toronto, Canada (pdf).

R. Landa, J. T. Araujo, R. G. Clegg, E. Mykoniati, D. Griffin, M. Rio, “The Large-Scale Geography of Internet Round Trip Times”, to appear in Proceedings of the 12th International IFIP TC 6 Networking Conference (NETWORKING), May 2013, New York, USA (pdf).

R. Landa, R. G. Clegg, J. T. Araujo, E. Mykoniati, D. Griffin, M. Rio, “Measuring the Relationships between Internet Geography and RTT”, to appear in Proceedings of the 22nd IEEE International Conference on Computer Communications and Networks (ICCCN), July/August 2013, Nassau, Bahamas (pdf).

R. G. Clegg, J. T. Araujo, R. Landa, E. Mykoniati, , D. Griffin, M. Rio, “On the relationship between fundamental measurements in TCP flows”, to appear in Proceedings of the IEEE International Conference on Communications (ICC), June 2013, Budapest, Hungary.

R. G. Clegg, M. S. Withall, A.W. Moore, I.W. Phillips, D.J. Parish, M. Rio, R. Landa, H. Haddadi, K. Kyriakopoulos, J. Auge, R. Clayton and D. Salmon, “Challenges in the capture and dissemination of measurements from high-speed networks”, in IET Communications (Special Issue on Simulation, Analysis and Measurement of Broadband Network Traffic), 3(6), pp. 957-966, 2009 (pdf).

R. G. Clegg, R. Landa, H. Haddadi, M. Rio and A. Moore,  “Techniques for flow inversion on sampled data”, in Proceedings of the Global Internet Symposium (GI), IEEE INFOCOM Workshops, 2008 (pdf).

H. Haddadi, R. Landa, A. Moore, S. Bhatti, M. Rio, X. Che, “Revisiting the Issues On Netflow Sample and Export Performance”, in Proceedings of the Third International Conference on Communications and Networking in China (CHINACOM), August 25-27, 2008, Hangzhou, China (pdf).

R. G. Clegg, H. Haddadi, R. Landa, M. Rio, “Towards Informative Statistical Flow Inversion”, May 2007 (pdf).



Network Topology Modeling and Analysis


R. G. Clegg, R. Landa, H. Haddadi, M. Rio, “Measuring the likelihood of models for network evolution”, in Proceedings of the First IEEE International Workshop on Network Science For Communication Networks (NetSciCom), IEEE INFOCOM Workshops, 2009 (pdf).

R. G. Clegg, R. Landa, U. Harder, M. Rio, “A likelihood based framework for assessing network evolution models tested on real network data”, in Proceedings of the First Annual Workshop on Simplifying Complex Networks for Practitioners (SIMPLEX), ACM/NetSci Workshops, 2009 (pdf).



Traffic Modelling


R. G. Clegg, R. Landa, M. Rio, “Criticisms of modelling packet traffic using long-range dependence”, in Proceedings of the  Third IEEE International Workshop on Performance Modeling and Evaluation in Computer and Telecommunication Networks (PMECT), 2009 (pdf). Extended version in Journal of Computer and System Sciences (JCSS), PMECT/ICCCN 2009 Special Issue (pdf).



Other Areas


R. Landa, L. Sacks, “Laplacian Eigenfunctions for Spatial Network Traffic Analysis”, in Proceedings of the London Communications Symposium, 2006 (pdf).

R. Landa, MSc Thesis. University of Sheffield, 2000.



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