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Vers les réseaux guidés par et pour les applications hautement dynamiques

Armel Francklin Simo Tegueu 1 
1 LAAS-SARA - Équipe Services et Architectures pour Réseaux Avancés
LAAS - Laboratoire d'analyse et d'architecture des systèmes
Abstract : Modern applications are typically composed of lots of software components that tend to implement self-contained specialized functions. These components are often supplied by many software editors and provisioned and accessed via the cloud. As a consequence, the data flows that are exchanged between applications’ components and their QoS requirements vary over time. Moreover, in many situations, it is quite difficult to pre-identify this set of data flows and/or express precisely the associated QoS. Hence, providing a network service that meets application requirements and dynamically evolves with their needs without uselessly wasting network resources poses several challenges to the underlying communication network. Notably, the necessity of a high level of flexibility, far beyond the capabilities of today’s communication networks. The aim of this PhD is to develop the Application Driven Networking (ADN) concept, which is able to provide tailored and dynamic network services to applications. Tailored means that the ADN service captures a fine-grained description of application needs, which can consider elementary flows. These needs can be expressed, either, explicitly by the application or inferred by the network by traffic analysis. The dynamic facet means that the ADN service is reprogrammed and adjusted to fit to evolving application needs. The main contributions of this thesis are the following. First, a general architecture of the ADN network built on top of a Software Defined Network (SDN) infrastructure is proposed. Algorithms related to the ADN functional components are also proposed, in particular two network resource allocation algorithms that calculate the optimal (in terms of network resource utilization) data paths and the required network resources that meet application requirements. Two ADN service migration heuristics are also proposed to efficiently distribute the network load and increase the acceptance of forthcoming network service requests. An ADN network prototype is developed as proof of concept. It provides ADN services to dynamic applications with QoS requirements built on top of the DDS (Data Distribution Service) middleware.
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Submitted on : Tuesday, October 2, 2018 - 3:43:24 PM
Last modification on : Tuesday, October 25, 2022 - 11:58:11 AM
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Armel Francklin Simo Tegueu. Vers les réseaux guidés par et pour les applications hautement dynamiques. Réseaux et télécommunications [cs.NI]. Institut national des sciences appliquées de Toulouse, 2018. Français. ⟨NNT : ⟩. ⟨tel-01963167v2⟩



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