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Network of Excellence on Emerging Networking Experiments and Technologies
The E-NEXT Network of Excellence targets a key area of Information Society Technologies, namely computer networking.
E-NEXT aims to integrate a critical mass of expertise and to re-structure research practice such that Europe can take a lead in computer networking and act as a world force in this area. The main objectives of this NoE will be: the development of a virtual research centre to integrate the world-class research of the members and to stimulate the exchange of personnel, the education and training of personnel inside and outside the network, the dissemination of research results and in general the spreading of excellence, and the stimulation of innovation by appropriate technology transfer into existing and new companies, both large and small.
E-NEXT will achieve these objectives through its management structure consisting of network and country coordination committees, and six workpackages: network coordination, joint research, integration and training, distributed work environment, spreading excellence, and dissemination.
Project home page
http://www.ist-e-next.net/
Our Unit is involved in all research WGs and is co-chairing the task force on Traffic Engineering in WG4 (Self-Aware Networking).
Current research topics of ULg/RUN (under construction)
Publicly available tools (under construction)
This is a Java implementation of Hidden Markov Model (HMM) related algorithms. It has been designed to be easy to use and general purpose.
This is a modified version of j-sim (formerly known as 'javasim') to support RUN Active Network Simulator (see below). The main differences are in the information availability within OSPF package and the modification at the Core Switch Layer to log routing decision in packets histories
This is a collection of packages that allow ANTS capsules to be processed on simulated nodes within j-sim (and ssf-net). It comes with a collection of tools to ease topology generation and results lookup through a tiny HTTP server using graphviz:dot as backend. It also comes with dRADAR, the neighbours discovery service which can be activated separately on any active nodes and will ease the work on automatically-generated heterogeneous topologies.
Publications
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Enhancement of TCP over wired/wireless networks with packet loss classifiers inferred by supervised learning
- I. El Khayat, P. Geurts and G. Leduc
- Wireless Networks, vol. 16, nb. 2, Feb. 2010, pp. 273-290
- (ISI IF 2008 = 1.194)
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Traffic Engineering an Operational Network with the TOTEM Toolbox
- S. Balon, J. Lepropre, O. Delcourt, F. Skivée and G. Leduc
- Keywords : BGP, IP, MPLS, TE, TOTEM, Traffic Engineering
- Read the abstract
- Download the PDF document
- IEEE Transactions on Network and Service Management (TNSM), vol. 4, nb. 1, Jun. 2007, pp. 51-61
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Predictable Disruption Tolerant Networks and Delivery Guarantees
- J.-M. François and G. Leduc
- Keywords : Predictable Disruption Tolerant Network
- Read the abstract
- Download the PDF document or the compressed PostScript (gzip) document
- Technical Report, published on arXiv (cs.NI/0612034 v1)
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The Interaction of IGP Weight Optimization with BGP
- S. Cerav-Erbas, O. Delcourt, Bernard Fortz and Bruno Quoitin
- Keywords : BGP, IGP, Traffic Engineering
- Read the abstract
- Proc. of ICISP (International Conference on Internet Surveillance and Protection), 29-31 Aug. 2006, Cap Esterel, France
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Prédiction de mobilité par le mobile ou par le point d'accès: comparaison sur base de traces réelles
- J.-M. François and G. Leduc
- Keywords : Mobile Networks, Mobility prediction, QoS
Mots-clés : Prédiction de mobilité, QoS, Réseaux mobiles
- Read the abstract
- Lisez le résumé
- Download the PDF document, the PostScript document or the compressed PostScript (gzip) document
- Actes de Colloque Francophone sur l'Ingénierie des Protocoles (CFIP 2006), 30 Oct.-3 Nov. 2006, Tozeur, Tunisie
- (Acceptance ratio = 28/75 = 37%)
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Transport Protocols for Next Generation Networks
- Congduc Pham and G. Leduc
- Annals of Telecommunications, nbs. 1-2, Jan-Feb 2006, pp. 2-4
- Guest editors of this special issue
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Dividing the Traffic Matrix to Approach Optimal Traffic Engineering
- S. Balon and G. Leduc
- Keywords : IP, MPLS, Optimal Routing, Traffic Engineering
- Read the abstract
- Proc. of 14th IEEE International Conference on Networks (ICON 2006), 13-15 Sep. 2006, Singapore, Singapore
- (Acceptance ratio = 101/261 = 38%)
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A scalable heuristic for hybrid IGP/MPLS traffic
engineering - Case study on an operational network
- F. Skivée, S. Balon and G. Leduc
- Keywords : hybrid IP/MPLS, MPLS, Simulated Annealing, TOTEM, Traffic Engineering
- Read the abstract
- Proc. of 14th IEEE International Conference on Networks (ICON 2006), 13-15 Sep. 2006, Singapore, Singapore
- (Acceptance ratio = 101/261 = 38%)
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TOTEM: A TOolbox for Traffic Engineering Methods
- J. Lepropre, S. Balon and G. Leduc
- Read the abstract
- Download the PDF document
- Demonstration at INFOCOM'06, 23-29 April 2006, Barcelona, Spain.
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On the accuracy of analytical models of TCP throughput
- I. El Khayat, P. Geurts and G. Leduc
- Proc. of IFIP International Networking Conference, 15-19 May 2006, Coimbra, Portugal, LNCS, 3976, pp. 488-500
- (Acceptance ratio = 88/440 = 20%, Best Paper Award)
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How Well Do Traffic Engineering Objective Functions Meet TE Requirements?
- S. Balon, F. Skivée and G. Leduc
- Keywords : Objective Function, Traffic Engineering
- Proc. of IFIP International Networking Conference, 15-19 May 2006, Coimbra, Portugal, LNCS, 3976, pp. 75-86
- (Acceptance ratio = 88/440 = 20%)
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The Critical Neighbourhood Range for Asymptotic Overlay Connectivity in Ad Hoc Networks
- S. Calomme and G. Leduc
- Keywords : ad hoc networks, connectivity, overlay, topology control
- Read the abstract
- Download the PDF document
- Ad Hoc & Sensor Wireless Networks, vol. 2, nb. 2, 2006, pp. 169-187
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Providing public intradomain traffic matrices to the research community
- Steve Uhlig, Bruno Quoitin, J. Lepropre and S. Balon
- Keywords : intra-domain traffic matrices, traffic statistics
- Read the abstract
- Download the PDF document
- ACM SIGCOMM Computer Communication Review, vol. 36, nb. 1, Jan 2006, pp. 83-86
- (ISI IF 2006 = 0.578)
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A scalable and decentralized fast-rerouting scheme with efficient bandwidth sharing
- S. Balon, L. Mélon and G. Leduc
- Keywords : Backup LSP, Fast Recovery, MPLS, Resource Sharing
- Read the abstract
- Computer Networks, vol. 50, nb. 16, Nov. 2006, pp. 3043-3063
- (ISI IF 2006 = 0.631)
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A survey of optimal network congestion control for unicast and multicast transmission
- N. Bonmariage and G. Leduc
- Computer Networks, vol. 50, nb. 3, Feb. 2006, pp. 448-468
- (ISI IF 2006 = 0.631)
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An Open Source Traffic Engineering Toolbox
- G. Leduc, H. Abrahamsson, S. Balon, S. Bessler, M. D'Arienzo, O. Delcourt, J. Domingo-Pascual, S. Cerav-Erbas, I. Gojmerac, X. Masip, A. Pescapè, B. Quoitin, S. P. Romano, E. Salvadori, F. Skivée, H. T. Tran, S. Uhlig and H. Ümit
- Computer Communications, vol. 29, nb. 5, March 2006, pp. 593-610
- (ISI IF 2006 = 0.444)
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Interpreted Active Packets for Ephemeral State Processing Routers
- S. Martin and G. Leduc
- Keywords : active network, ephemeral state, network processor
Mots-clés : état éphémère, network processor, réseaux actifs
- Read the abstract
- Download the PDF document
- Proc. of 7th IFIP International Working Conference on Active and Programmable Networks (IWAN), 21-23 Nov. 2005, Sophia Antipolis, France, D. Hutchison, S. Denazis, L. Lefevre, G.J. Minden (eds.), Active and Programmable Networks, LNCS, 4388, pp. 156-167, Springer
- (Acceptance ratio for full papers = 13/72 = 18%, ISI IF 2005 LNCS = 0.402)
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Comparing traffic engineering objective functions
- S. Balon, F. Skivée and G. Leduc
- Keywords : Objective Function, Traffic Engineering
- Read the abstract
- Download the PDF document
- Proc. of Co-Next 2005, Student Workshop, 24-27 Oct. 2005, Toulouse, France, pp. 224-225
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Entropy-based knowledge spreading and application to mobility prediction
- J.-M. François and G. Leduc
- Keywords : Entropy, Information Theory, Mobility Prediction, QoS
Mots-clés : Entropie, prédiction de mobilité, QoS, théorie de l'Information
- Read the abstract
- Download the PDF document or the compressed PostScript (gzip) document
- Proc. of ACM International conference on Emerging Network Experiments and Technologies (Co-Next), 24-27 Oct. 2005, Toulouse, France, pp. 10-20, ACM Press
- (Acceptance ratio = 21/110 = 19%)
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The Critical Neighbourhood Range for Asymptotic Overlay Connectivity in Dense Ad Hoc Networks
- S. Calomme and G. Leduc
- Read the abstract
- Download the PDF document
- Proc. of Fourth Annual Mediterranean Ad Hoc Networking Workshop (Med-Hoc-Net), 21-24 Jun. 2005, Porquerolles, France, IFIP book series, 197/2006, pp. 179-188, Springer Boston
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An Active Platform as Middleware for Services and Communities Discovery
- S. Martin and G. Leduc
- Keywords : Active networks, Platform, Service discovery
- Read the abstract
- Download the compressed PostScript (gzip) document
- Proc. of 2nd International Workshop on Active and Programmable Grids Architectures and Components (APGAC), 22-25 May 2005, Atlanta, USA, V. S. Sunderam, G. Dick van Albada, P. M. A. Sloot, et al. (eds.), Computational Science ICCS 2005, Part III, LNCS, 3516, pp. 237-245, Springer-Verlag
- (ISI IF 2005 LNCS = 0.402)
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Improving TCP in wireless networks with an adaptive machine-learnt classifier of packet loss causes
- I. El Khayat, P. Geurts and G. Leduc
- Keywords : Machine Learning, TCP, Wireless
Mots-clés : Apprentissage automatique, Réseaux sans fil, TCP
- Read the abstract
- Download the PDF document
- Proc. of IFIP International Networking Conference, 2-6 May 2005, Waterloo, Ontario, Canada, R. Boutaba, K. Almeroth, R. Puigjaner, S. Shen, J. Black (eds.), Networking 2005, LNCS, 3462, pp. 549-560, Springer-Verlag
- (Acceptance ratio = 24%, ISI IF 2005 LNCS = 0.402)
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Architecture d'une boîte à  outils d'algorithmes d'ingénierie de trafic et application au réseau GEANT
- F. Skivée, S. Balon, O. Delcourt, J. Lepropre and G. Leduc
- Mots-clés : MPLS, Boîte à outils, DAMOTE, Géant, Ingénierie de trafic
- Read the abstract
- Lisez le résumé
- Download the PDF document
- Actes de Colloque Francophone sur l'Ingénierie des Protocoles (CFIP), 29 Mar.-1 Avr. 2005, Bordeaux, France, Richard Castanet (ed.), Ingénierie des protocoles - Qualité de service, multimédia et mobilité, pp. 317-332, Hermès Lavoisier
- (Acceptance ratio = 33/108 = 30.6%)
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Mobility prediction's influence on QoS in wireless networks: a study on a call admission algorithm
- J.-M. François and G. Leduc
- Keywords : admission control, call blocking, mobility prediction
- Read the abstract
- Download the PDF document or the compressed PostScript (gzip) document
- Proc. of 3rd International Symposium on Modeling and Optimization in Mobile, Ad-hoc and Wireless Networks (WiOpt), 3-7 Apr. 2005, Trentino, Italy, Ravi R. Mazumdar, Ioannis Stavrakakis (eds.), pp. 238-247, IEEE press
- (Acceptance ratio = 31 %)
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Techniques d'apprentissage dans le contrôle de congestion : Amélioration de TCP et conception de protocoles multipoints, dans les réseaux filaires et hybrides
- I. El Khayat
PhD thesis, University of Liège Collection des Publications de la Faculté des Sciences Appliquées de l'Université de Liège, nr. 257, 2005, 207 pp.
- Download the PDF document
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A Machine Learning Approach to Improve Congestion Control over Wireless Computer Networks
- P. Geurts, I. El Khayat and G. Leduc
- Read the abstract
- Download the PostScript document
- Proc. of The Fourth IEEE International Conference on Data Mining (ICDM 2004), 1-4 Nov. 2004, Brighton, UK, R. Rastogi, K. Morik, M. Bramer et X. Wu (eds.), pp. 383-386, IEEE Press
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Performance Study of an Overlay Approach to Active Routing in Ad Hoc Networks
- S. Calomme and G. Leduc
- Keywords : active, ad hoc, overlay
- Read the abstract
- Download the PDF document
- Proc. of The Third Annual Mediterranean Ad Hoc Networking Workshop (Med-Hoc-Net 2004), 28-30 Jun. 2004, Bodrum, Turkey, I.F. Akyildiz, E. Cayirci, E. Ekici and G. Morabito (eds.), pp. 24-35
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A Distributed Algorithm for Weighted Max-Min Fairness in MPLS Networks
- F. Skivée and G. Leduc
- Read the abstract
- Download the PDF document
- Proc. of 11th IEEE International Conference on Telecommunications (ICT'2004), 1-6 Aug. 2004, Fortaleza, Brazil, J. Neuman de Souza, P. Dini, P. Lorenz (eds.), Telecommunications and Networking, LNCS, 3124, pp. 644-653, Springer Verlag
- (ISI IF 2004 LNCS = 0.513)
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TCP Vegas-like algorithm for layered multicast transmission
- O. Ait-Hellal and G. Leduc
- Read the abstract
- Download the PDF document
- Proc. of International Conference on Communications in Computing (CIC 2004), 21-24 Jun. 2004, Las Vegas, Nevada, USA, pp. 58-64, CSREA Press
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Learning movement patterns in mobile networks: a generic approach
- J.-M. François, G. Leduc and S. Martin
- Keywords : Hidden Markov Model, Mobility prediction
- Read the abstract
- Download the PDF document or the compressed PostScript (gzip) document
- Proc. of European Wireless 2004, 24-27 Feb. 2004, Barcelona, Spain, pp. 128-134
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