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     <dc:title xml:lang="fr">Garantir la cohérence applicative lors des changements de configuration réseau : étude de cas sur la connectivité dans les Software Defined Infrastructures</dc:title>
     <dcterms:alternative xml:lang="en">Ensuring application consistency when changing network configurations : a case study on connectivity in software defined infrastructures</dcterms:alternative>
     <dc:subject xml:lang="fr">Réseaux informatiques</dc:subject><dc:subject xml:lang="fr">SDN</dc:subject><dc:subject xml:lang="fr">NFV</dc:subject><dc:subject xml:lang="fr">vérification</dc:subject><dc:subject xml:lang="fr">VNF</dc:subject>
     <dc:subject xml:lang="en">computer network</dc:subject><dc:subject xml:lang="en">SDN</dc:subject><dc:subject xml:lang="en">NFV</dc:subject><dc:subject xml:lang="en">verification</dc:subject><dc:subject xml:lang="en">VNF</dc:subject>
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						<tef:elementdEntree autoriteSource="Sudoc" autoriteExterne="033869332">Systèmes de communication sans fil</tef:elementdEntree>
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						<tef:elementdEntree autoriteSource="Sudoc" autoriteExterne="203675789">Vérification de modèles (informatique)</tef:elementdEntree>
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     <dcterms:abstract xml:lang="fr">Des solutions de vérification efficaces nous semblent indispensables afin d’assurer la continuité des services en place et le déploiement de nouveaux services dans les réseaux 5G. Cette problématique ne se limite pas aux techniques de vérification, nos travaux portent aussi sur la formalisation des besoins d'un service réseau complet. Nous avons travaillé sur un langage de programmation facilitant la vérification dans les contrôleurs SDN. Puis nous avons défini des contrats de comportement réseau afin de clarifier les propriétés à vérifier pour assurer le bon fonctionnement d'un service. Enfin nous avons étudié MANO pour proposer une extension du standard permettant de vérifier les configurations réseau au niveau de l'orchestrateur.</dcterms:abstract>
     <dcterms:abstract xml:lang="en">We believe that effective verification solutions are essential to ensure the continuity of existing services and the deployment of new services in 5G networks. This problem is not limited to verification techniques, our work also concerns the formalization of needs of a complete network service. We worked on a programming language to facilitate verification in SDN controllers. Then we defined network behavior contracts to clarify the properties to be verified to ensure the proper functioning of a service. Finally, we studied MANO to propose an extension of the standard to check the network configurations at the orchestrator level.</dcterms:abstract>
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       <tef:nom>Pelay</tef:nom>
       <tef:prenom>Johan</tef:prenom>
       
       <tef:dateNaissance>1989-03-01</tef:dateNaissance>
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                        <dc:identifier xsi:type="tef:NNT">2020REN1S001</dc:identifier>
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                            <tef:thesis.degree.level>Doctorat</tef:thesis.degree.level>
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IRISA
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