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Academic literature on the topic 'Ethernet (système de réseau local) – Normes'
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Dissertations / Theses on the topic "Ethernet (système de réseau local) – Normes"
Kabalan, Hassan. "Minimizing Time Delay between Mobiles Exchanging Data in an Industrial Wireless Network Cell." Versailles-St Quentin en Yvelines, 2013. http://www.theses.fr/2013VERS0026.
Full textThe purpose of this study is to discuss the exchanges between mobiles moving in an industrial environment. To reach this study, a simulation approach has been chosen in order reach this study. This novel method aimed to minimize the exchange time between mobiles within an 802. 11 cell. The first step of our study represents the main points arising from this choice. Initially, we described the main existing models of spread and constraints of radio propagation. The selection of relevant model propagation for the selected industrial site is based on several measurements in domain indoor. The implementation of the ITU Pr1238 model was performed by adjusting the parameters of the various models; we decided to select the model recommended by the ITU under reference Pr1238 as our model that is used for the industrial by the NS2 Simulator. The second step was to come up with a modified method of the DCF in order to minimize the necessary time so that all mobiles within the same cell of an 802. 11b network can exchange the shared information during their co-operation. The optimization of the exchanges time between mobiles was carried out by modifying the binary exponential aspect of the Back-off algorithm as a first phase to reduce the access time to the radio medium. Whereas in the second phase this modified and enhanced BEB method was supported by a Neural Network Function to give us precise output parameters. Those outputs will be learned by the Neural Network Function and will be used in the NS2 simulation to get the new results of the time delay to compare them with the standard BEB method results
Samson, Maxine. "Conception et configuration de réseaux TSN guidées par les modèles." Electronic Thesis or Diss., Université de Lorraine, 2024. http://www.theses.fr/2024LORR0017.
Full textWe are studying the design and configuration process of real-time networks that use theTime-Sensitive Networking (TSN) standards. The IEEE 802.1 TSN working group published aset of standards which adds multiple new functionalities to the switched Ethernet standards.The goal of these new functionalities is to allow the design of deterministic Ethernet networks,which makes their use possible in the context of real-time applications.Making it possible to design deterministic Ethernet networks has a cost : the increase indesign and configuration complexity of the network. These new functionalities makes the config-uration effort needed to guarantee the respect of real-time constraints more important. Moreover,since the design process of real-time networks makes use of design tools such as network simu-lators, this increase in complexity also has an impact on them.In this thesis, we propose a tooled approach to assist the design of TSN networks whichrelies on network and software modeling and automatic generation. We first propose a networkmodeling approach for TSN networks. We then link it with a software modeling approach inorder to automatically enrich the model of the network with a model of the data streams. Usingthe data contained in this model, we propose a method to compute the configuration of theCredit-Based Shaper and Time Aware Shaper. Finally, we developed a tool which produces aset of simulation models for different network simulators aswell as configuration files for networkequipment
Méhaut, Jean-François. "Une implantation de l'architecture de système reparti OMPHALE." Lille 1, 1989. http://www.theses.fr/1989LIL10007.
Full textBréhon, Yannick. "Conception et ingénierie de réseaux nouvelle génération orientés Ethernet." Paris, ENST, 2007. http://www.theses.fr/2007ENST0005.
Full textThe increase in individual and professional customer expectations, as well as the fast technological evolutions, are leading to the design of the Next Generation Internet (NGI). Network optimization allows operators to efficiently deliver high-quality services at reduced costs. Due to the pre-eminence of Ethernet technologies at the customer premises and in the access network segment, and due to its low cost, Ethernet is a natural candidate to serve as the technology of choice of the NGI. In the metropolitan network segment, efforts have led to specifying Ethernet flavors which allow mapping client traffic into Virtual LANs. In this thesis, we investigate how to efficiently assign these VLANs to the Spanning Trees generated by Ethernet’s Spanning Tree Protocol, since this is currently the only way to perform traffic-engineering and network optimization in this network segment. In the core network segment, several initiatives aim at turning Ethernet into a GMPLS-controlled connection-oriented technology (such as Layer 2 LSPs and PBB-TE). In this thesis, a new type of connection for packet- and frame- based, connection-oriented and GMPLS-controlled technologies is introduced and studied: the bus-LSP. Both in single-layer and in multi-layer networks, it provides the operator with significant cost reduction. We provide quantification of this reduction, as well as engineering methods for efficiently deploying bus-LSPs. We also detail the control plane protocols extensions needed to manage these bus-LSPs
Georges, Jean-Philippe. "Systèmes contrôlés en réseau : évaluation de performances d'architectures Ethernet commutées." Nancy 1, 2005. http://www.theses.fr/2005NAN10145.
Full textIn the field of networked control systems, researches have considerably evolved since Ethernet is more and more used to substitute the traditional industrial local area networks. Even if this choice of Ethernet is justified regarding its intrinsic ability to support all the communications of the enterprise (from office to workshop), it is not suitable to assume the time constraints of distributed control applications. Contrary to the fieldbuses, the non-determinism of the medium access method used by Ethernet does not enable to guarantee strict time constraints. The contribution of this thesis is to define an analytical approach to upper-bound the end-to-end delays in networked control systems which are based on switched Ethernet architectures. Work has focused on the adaptation of the network calculus theory to these specifics environments. Within this framework, this thesis presents the modeling of an IEEE 802. 1D switch as well as a computation method of the end-to-end delays based on the increasing of the traffic burstiness. Several real experiments validate the tightness of the computed bounds. In addition to the performance evaluation, the work has also considered the Classification of Service (IEEE 802. 1D/p) and the optimization of the frames scheduling on Ethernet. Finally, this thesis shows how such a performances evaluation method can be used to scale and optimize the design of switched Ethernet architectures
Martins, Joberto Sergio Barbosa. "Un support de communication pour le système Unix/Ethernet." Paris 6, 1986. http://www.theses.fr/1986PA066125.
Full textMarsal, Gaëlle. "Evaluation of time performances of ethernet-based automation systems by simulation of high-level Petri nets." Cachan, Ecole normale supérieure, 2006. http://tel.archives-ouvertes.fr/tel-00162228.
Full textIn this work, two time performances of switched Ethernet automation systems that use a client/server cooperation model are evaluated : The response time from an occurrence of an input event to the occurrence of the corresponding output event ; The network cycle time for the scanning by a controller of the whole set of its remote inputs / outputs modules. The conjunction of three time consumption mechanisms makes both time performances variable and difficult to compute in an analytic fashion. Thus, the proposed method is based on simulation of a timed and coloured Petri net model of the dynamic behaviour of the whole automation architecture. The results which have been obtained on six benchmark architectures enabled us : To show that multi-controllers architectures using a client/server cooperation model provide faster network cycle times than those based on master/slave and producer/consumer models ; To quantify the influence of the time consumption mechanisms on these performances
Daoud, Ramez. "Wireless and wired Ethernet for intelligent transportation systems." Valenciennes, 2008. http://ged.univ-valenciennes.fr/nuxeo/site/esupversions/ace94389-4796-4b12-b00d-9d4eb917a682.
Full textThis study focuses on the wireless as well as the wired aspect of Intelligent Transportation Systems (ITS). The On-Board network of a future smart vehicle is designed using Switched Ethernet as a backbone. This architecture aims at minimizing the amount of wiring present in today’s cars. With the increasing demand of entertainment and connectivity, the proposed model provides the vehicle passengers with internet connection, video on-demand, voice over IP (VoIP) and video conference capabilities. Also, to help the driver, a smart real-time interactive communication scheme is developed to supply traffic information. A wireless communication model is built to support the moving entities in a light urban traffic area; the model is based on stigmergic algorithms running at the core of the system infrastructure. A WiFi model is used to supply wireless connectivity to mobile nodes in a given region. The Mobile IPv4 as well as Mobile IPv6 are tested. The mobile nodes always communicate with the central intelligence of the system to update the traffic information. The stigmergic algorithm processes this data and sends to all moving vehicles messages regarding the actual traffic map. This research focuses on the wireless aspect of the problem and optimizes the architecture to satisfy minimum packet loss in the path from the central correspondent node (CN) to the mobile nodes (MN). It is found that based on MIPv6 technique and using redundant packet transmission (burst communication) one can statistically reach satisfactory
Thaenchaikun, Chakadkit. "Economie d'énergie en réseau filaire : ingénierie de trafic et mise en veille." Phd thesis, Toulouse, INPT, 2016. http://oatao.univ-toulouse.fr/17292/1/Thaenchaikun.pdf.
Full textKrommenacker, Nicolas. "Heuristiques de conception de topologies réseaux : application aux réseaux locaux industriels." Nancy 1, 2002. http://docnum.univ-lorraine.fr/public/SCD_T_2002_0267_KROMMENACKER.pdf.
Full textIndustrial Ethernet is a controversial discussion topic mainly due to its non-determinism. Many researches focus on the improvement of Ethernet's capabilities to deliver the deterministic performance required by critical applications. Generally, that is obtained by modifying the Ethernet protocol or the traffic generated by the applications. Furthermore, the industrial context imposes a links redundancy in order to provide reliable architectures. That is why we propose to improve the switched Ethernet topology performances by optimizing the network organization at the level of the physical layer. Some graph partitioning techniques have been used in order to design optimized topologies which guarantee bounded maximum end to end delays. Two heuristics have been developed and adapted to this network design problem. The obtained results show the interest of the proposed method
Books on the topic "Ethernet (système de réseau local) – Normes"
Gigabit Ethernet technology and applications. Boston, MA: Artech House, 2003.
Find full textData communications gigabit Ethernet handbook. New York: McGraw-Hill, 1998.
Find full text1949-, Hutchison David, Mariani J. A. 1957-, and Shepherd W. D. 1939-, eds. Local area networks: An advanced course, Glasgow, July 11-22, 1983 proceedings. Berlin: Springer-Verlag, 1985.
Find full textIndustrial communication systems. Boca Raton: Taylor & Francis, 2010.
Find full textHeld, Gilbert. Carrier Ethernet: Providing the Need for Speed. AUERBACH, 2008.
Find full textCisco Router OSPF. New York: McGraw-Hill, 2001.
Find full textWilamowski, Bogdan M., and J. David Irwin. Industrial Communication Systems. Taylor & Francis Group, 2018.
Find full textWilamowski, Bogdan M., and J. David Irwin. Industrial Communication Systems. Taylor & Francis Group, 2018.
Find full textWilamowski, Bogdan M., and J. David Irwin. Industrial Communication Systems. Taylor & Francis Group, 2018.
Find full textWilamowski, Bogdan M., J. David Irwin, Bodgan Wilamowski, and Wilamowski Bodgan. Industrial Communication Systems. Taylor & Francis Group, 2011.
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