Archives des Publications - Page 3 sur 3

Analyzing cacheable traffic in isp access networks for micro cdn applications via content-centric networking

par Aurélie | Oct 30, 2014 | Publications

Claudio Imbrenda (Orange), Luca Muscariello (Orange), Dario Rossi (Télécom ParisTech) Résumé Web content coming from outside the ISP is today skyrocketing, causing significant additional infrastructure costs to network operators. The reduced marginal revenues left to...

Online Algorithm for Servers Consolidation in Cloud Data Centers

par Aurélie | Oct 30, 2014 | Publications

Makhlouf Hadji, Paul Labrogère (IRT SystemX) Résumé Servers consolidation (or Repacking) in clouds, consists to reassign services to physical servers, in order to efficiently reduce cost and improve infrastructure utilization. A smart placement of virtual resources is...

A Virtual Machine Repacking in Clouds: Faster Live Migration Algorithms

par Aurélie | Oct 30, 2014 | Publications

Makhlouf Hadji, Paul Labrogère (IRT SystemX) Résumé Repacking in clouds, or the reassignment of services to physical servers, is required to reduce cost and improve infrastructure utilization. Initial provisioning through smart placement is not sufficient to ensure...

Optimization of a one-way carsharing system with relocation operations

par Aurélie | Oct 30, 2014 | Publications

Aurelien Carlier (Renault & Technological Research Institute SystemX), Alix Munier Kordon (Université Pierre et Marie Curie), Witold Klaudel (Renault SAS) Résumé Carsharing systems have garnered increasing attention since they are now recognised as innovative and...

A multiclass vehicular dynamic traffic flow model for main roads and dedicated lanes/roads of multimodal transport network

par Aurélie | Oct 30, 2014 | Publications

K.S. Sossoe (IRT SystemX), J-P. Lebacque (UPE/IFSTTAR COSYS GRETTIA) Résumé We present in this paper a model of vehicular traffic flow for a multimodal transportation road network. We introduce the notion of class of vehicles to refer to vehicles of different...

Service Regularity Loss in High-Frequency Feeder Bus Lines: Causes and Self-Driven Remedies

par Aurélie | Oct 29, 2014 | Publications

Jorge Gonzàlez (IRT SystemX), René Doursat (Complex Systems Institute, Paris Ile-de-France), Arnaud Banos (Géographie-cités) Abstract An agent-based model of a single bus line is designed to assess quality of service in terms of regularity and occupancy. Agents...