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Letteratura scientifica selezionata sul tema "Routage de paquets distribué"
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Tesi sul tema "Routage de paquets distribué"
Hauspie, Michaël. "Contributions à l'étude des gestionnaires de services distribués dans les réseaux ad hoc". Phd thesis, Université des Sciences et Technologie de Lille - Lille I, 2005. http://tel.archives-ouvertes.fr/tel-00656359.
Testo completoAlliche, Abderrahmane Redha. "Contrôle du réseau cloud basé intelligence artificielle". Electronic Thesis or Diss., Université Côte d'Azur, 2024. http://www.theses.fr/2024COAZ4022.
Testo completoThe exponential growth of Internet traffic in recent decades has prompted the emergence of Content Delivery Networks (CDNs) as a solution for managing high traffic volumes through data caching in cloud servers located near end-users. However, challenges persist, particularly for non-cacheable services, necessitating the use of cloud overlay networks. Due to a lack of knowledge about the underlay network, cloud overlay networks introduce complexities such as Triangle inequality violations (TIV) and dynamic traffic routing challenges.Leveraging the Software Defined Networks (SDN) paradigm, Deep Reinforcement Learning (DRL) techniques offer the possibility to exploit collected data to better adapt to network changes. Furthermore, the increase of cloud edge servers presents scalability challenges, motivating the exploration of Multi-Agent DRL (MA-DRL) solutions. Despite its suitability for the distributed packet routing problem in cloud overlay networks, MA-DRL faces non-addressed challenges such as the need for realistic network simulators, handling communication overhead, and addressing the multi-objective nature of the routing problem.This Ph.D. thesis delves into the realm of distributed Multi-Agent Deep Reinforcement Learning (MA-DRL) methods, specifically targeting the Distributed Packet Routing problem in cloud overlay networks. Throughout the thesis, we address these challenges by developing realistic network simulators, studying communication overhead in the non-overlay general setting, and proposing a distributed MA-DRL framework tailored to cloud overlay networks, focusing on communication overhead, convergence, and model stability
Chaieb, Imène. "Ingénierie de trafic MPLS : routage distribué". Rennes 1, 2007. ftp://ftp.irisa.fr/techreports/theses/2007/chaieb.pdf.
Testo completoThis thesis deals with dynamic MPLS traffic engineering routing. Our work concerns the study and the improvement of this routing in order to optimize network resources usage and to reduce congestion risks, while taking into account the reactivity upon a network failure and the network stability. We have introduced our work by defining an architecture gathering a whole of building blocks which constitute a MPLS-TE (MPLS-Traffic Engineering) routing system. We have focused on the combination of distributed and non-coordinated modes where the LSP establishment requests are handled directly on the head routers, independently the ones of the others. This combination offers a better reactivity. On the other hand, it offers worse performances in terms of network resources usage optimization, and blocking risks (non satisfied requests). This requires to find a tradeoff between the optimization performances and the reactivity of the routing system. In order to improve the optimization performances and to reduce the blocking risks of this combination while preserving the good reactivity, we propose two approaches. A first solution consists in dynamically reordering the LSP establishment. We have used the MPLS-TE pre-emption to implement this solution. Then, we study a second solution, intermediate between the coordinated centralized modes and the non-coordinated distributed modes, which consists in distributing partially the path computation on some network nodes. These nodes compute in a coordinated manner a subset of the requests
Tebbal, Hassen. "Réseau local supportant un système d'exploitation distribué". Paris 9, 1986. https://portail.bu.dauphine.fr/fileviewer/index.php?doc=1986PA090048.
Testo completoTo realize a distributed operating system with all problems about the functionalities, we must have good network architecture. This architecture (logical) have to permit to do the integrated services of communication mixing the transmissions of data, voice and animated pictures, texts, with communication functions agreed with standard norms connection norms. The choice of network topologies and the medium are very important, they facility the transmission available in pacquet switching and circuit switching
Baccelli, Emmanuel. "Routage et mobilité dans les grands réseaux hétérogènes à commutation de paquets". Phd thesis, Ecole Polytechnique X, 2006. http://pastel.archives-ouvertes.fr/pastel-00001603.
Testo completoRibeiro, Cassilda. "Une methode parallele pour le routage dans les reseaux a commutation de paquets". Toulouse, INSA, 1991. http://www.theses.fr/1991ISAT0019.
Testo completoRocha, Mier Luis Enrique. "Apprentissage dans une intelligence collective neuronale : application au routage de paquets sur Internet". Grenoble INPG, 2002. http://www.theses.fr/2002INPG0128.
Testo completoAlhafez, Nizar. "Etude et mise en oeuvre de routages non blocants dans les architectures multi-processeurs". Lyon 1, 1991. http://www.theses.fr/1991LYO10243.
Testo completoRampone, Thierry. "Etude d'amplificateurs optiques à semi-conducteur comme composants multifonctions pour le routage de données : conception et évaluation d'un commutateur 2 vers 2". Brest, 1997. http://www.theses.fr/1997BRES2029.
Testo completoBoyer, Florence. "Conception et routage dans les réseaux de télécommunication". Clermont-Ferrand 2, 1997. http://www.theses.fr/1997CLF21981.
Testo completo