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Dissertations / Theses on the topic 'Network Function Virtualization (NFV)'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Cho, Daewoong. "Network Function Virtualization (NFV) Resource Management For Low Network Latency." Thesis, The University of Sydney, 2017. http://hdl.handle.net/2123/17256.

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NFV is an emerging network architecture to increase flexibility and agility within operator's networks by placing virtualized services on demand in Cloud data centers (CDCs). One of the main challenges for the NFV environment is how to efficiently allocate Virtual Network Functions (VNFs) to Virtual Machines (VMs) and how to minimize network latency in the rapidly changing network environments. Although a significant amount of work/research has been already conducted for the generic VNF placement problem and VM migration for efficient resource management in CDCs, network latency among variou

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2

Gao, Meihui. "Models and Methods for Network Function Virtualization (NFV) Architectures." Thesis, Université de Lorraine, 2019. http://www.theses.fr/2019LORR0025/document.

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Avec la croissance exponentielle des demandes de service, les opérateurs ont déployé de nombreux équipements, et par conséquent, la gestion du réseau est devenue de plus en plus difficile et coûteuse. La virtualisation des fonctions réseau (NFV) a été proposée comme un nouveau paradigme pour réduire les coûts liés à l’acquisition et à la maintenance pour les réseaux de télécommunications. Dans ce travail de thèse, nous nous intéressons aux problèmes du chaînage des fonctions virtuelles (VNFs) qui combinent des décisions de localisation des VNFs et de routage des demandes. D'un point de vue d'o

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Gao, Meihui. "Models and Methods for Network Function Virtualization (NFV) Architectures." Electronic Thesis or Diss., Université de Lorraine, 2019. http://www.theses.fr/2019LORR0025.

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Avec la croissance exponentielle des demandes de service, les opérateurs ont déployé de nombreux équipements, et par conséquent, la gestion du réseau est devenue de plus en plus difficile et coûteuse. La virtualisation des fonctions réseau (NFV) a été proposée comme un nouveau paradigme pour réduire les coûts liés à l’acquisition et à la maintenance pour les réseaux de télécommunications. Dans ce travail de thèse, nous nous intéressons aux problèmes du chaînage des fonctions virtuelles (VNFs) qui combinent des décisions de localisation des VNFs et de routage des demandes. D'un point de vue d'o

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4

Sällberg, Kristian. "A Data Model Driven Approach to Managing Network Functions Virtualization : Aiding Network Operators in Provisioning and Configuring Network Functions." Thesis, KTH, Radio Systems Laboratory (RS Lab), 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-171233.

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This master’s thesis explains why certain network services are difficult to provision and configure using IT automation and cloud orchestration software. An improvement is proposed and motivated. This proposed improvement enables network operators to define a set of data models describing how to provision and interconnect a set of Virtual Network Functions (VNFs) (and possibly existing physical network functions) to form networks. Moreover, the proposed solution enables network operators to change the configuration at runtime. The work can be seen as a step towards self managing and auto scali

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Cilloni, Marco. "Design and Implementation of an ETSI Network Function Virtualization-compliant Container Orchestrator." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amslaurea.unibo.it/13373/.

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La Network Function Virtualisation (NFV) è la principale forza dietro la migrazione delle infrastrutture dei provider di reti verso sistemi distribuiti cloud, fornendo un innovativo approccio al design di architetture di reti di telecomunicazioni che permette un completo disaccoppiamento dei servizi offerti dalla rete dai dispositivi fisici e gli apparati su cui essi risiedono attraverso la loro completa virtualizzazione. L’uso di VNF, blocchi logici in grado di rappresentare le funzionalità e i servizi forniti dall’infrastruttura come elementi virtuali, permette alle Network Functions di esse

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Miotto, Gustavo. "NFV-PEAR : posicionamento e encadeamento adaptativo de funções virtuais de rede." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2018. http://hdl.handle.net/10183/178675.

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O projeto de mecanismos flexíveis e eficientes para o posicionamento e encadeamento de funções virtualizadas de rede (VNFs) é essencial para o sucesso de Virtualização de Funções de Rede (Network Function Virtualization, NFV). A maioria das soluções existentes, no entanto, considera custos fixos (e imutáveis) de processamento de fluxos e de largura de banda ao posicionar as VNFs em Pontos de Presença da Rede (N-PoPs). Essa limitação torna-se crítica em redes NFV com fluxos cujos comportamentos são altamente dinâmicos e nas quais os requisitos de processamento e os recursos disponíveis nos NPoP

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7

Car, Mario. "OpenStack service function chaining interface." Master's thesis, Universidade de Aveiro, 2015. http://hdl.handle.net/10773/18737.

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Mestrado em Engenharia Eletrónica e Telecomunicações<br>OpenStack is a free and open-source cloud computing software platform. It is seen as a major technology enabler for the future of telecommunications. OpenStack eases the creation of virtualization environments, and is seen as a major technology for the development of network function virtualization (NFV). Currently, OpenStack is developing the use cases and the code for service function virtualization, but the higher layer management aspects are not being considered. This dissertation will address this challenge, and will work on

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Franco, Muriel Figueredo. "Interactive visualizations for management of NFV-enabled networks." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2017. http://hdl.handle.net/10183/158202.

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A Virtualização de Funções de Rede (Network Functions Virtualization - NFV) está mudando o paradigma das redes de telecomunicações. Esta nova tecnologia permite diversas oportunidades de inovações e possibilita o desenvolvimento de novos modelos de negócio. Em relação às redes NFV, os provedores de serviços têm a oportunidade de criar modelos de negócio que permitam aos clientes contratarem Funções de Rede Virtualizadas (Virtual Network Functions - VNFs) que proveem diferentes serviços de rede (e.g., Firewall, NAT e transcoders). Porém, nestes modelos, a quantidade de informações a serem geren

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Aimi, Leonardo. "Orchestrazione di Risorse Distribuite in Scenari Network Function Virtualization e Software Defined Networking Integrati." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2018.

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Software-defined Networking (SDN) e Network Function Virtualization (NFV) sono due modelli che negli ultimi anni hanno contribuito a rivoluzionare il modo con cui gli operatori di rete organizzano le proprie architetture. SDN propone una separazione del livello di controllo da quello architetturale avvalendosi di protocolli aperti e standard, come OpenFlow, per permettere la comunicazione tra i dispositivi di rete, privati di logica e intelligenza, con un controller di più alto livello, arricchito di funzionalità e con una visione globale della topologia di rete. NFV si basa sul concetto di

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AVINO, GIUSEPPE. "Development and Performance Evaluation of Network Function Virtualization Services in 5G Multi-Access Edge Computing." Doctoral thesis, Politecnico di Torino, 2021. http://hdl.handle.net/11583/2875737.

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Kolluri, Saiphani Krishna Priyanka Kolluri. "APPLYING LEAN PRINCIPLES FOR PERFORMANCE ORIENTED SERVICE DESIGN OF VIRTUAL NETWORK FUNCTIONS FOR NFV INFRASTRUCTURE : Roles and Relationships." Thesis, Blekinge Tekniska Högskola, Institutionen för kommunikationssystem, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-13357.

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Context. Network Function Virtualization was recently proposed by European Telecommunications Standards Institute (ETSI) to improve the network service flexibility by virtualization of network services and applications that run on hardware. To virtualize network functions, the software is decoupled from underlying physical hardware. NFV aims to transform industries by reducing capital investments on hardware by using commercial-of-the-shelf (COTS) hardware. NFV makes rapid innovative growth in telecom services through software based service deployment. Objectives. This thesis work aims to inve

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Adapa, Sasank Sai Sujan. "APPLYING LEAN PRINCIPLES FOR PERFORMANCE ORIENTED SERVICE DESIGN OF VIRTUAL NETWORK FUNCTIONS FOR NFV INFRASTRUCTURE : Concepts of Lean." Thesis, Blekinge Tekniska Högskola, Institutionen för kommunikationssystem, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-13358.

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Context. Network Function Virtualization was recently proposed by European Telecommunications Standards Institute (ETSI) to improve the network service flexibility by virtualization of network services and applications that run on hardware. To virtualize network functions, the software is decoupled from underlying physical hardware. NFV aims to transform industries by reducing capital investments on hardware by using commercial-of-the-shelf (COTS) hardware. NFV makes rapid innovative growth in telecom services through software based service deployment. Objectives. This thesis work aims to inve

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Zhao, Yimeng. "Déploiement du switch logiciel dans SDN-enabled Réseau environnement de virtualisation." Electronic Thesis or Diss., Paris, ENST, 2016. http://www.theses.fr/2016ENST0029.

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Avec la prévalence de logicielisation, virtualisation est devenue une technologie dominante dans des data-centres et clouds. Deux aspects principaux de la logicielisation de réseaux sont Software Defined Network (SDN) et Network Function Virtualization (NFV), dont un des outils essentiel sont les switches logiciels, à l’opposition des switches matériaux. Les switches logiciels sont également indispensables pour le succès de NFV. Cette thèse vise à relever des défis principaux dans la logicielisation de réseaux. Spécifiquement, elle porte sur le déploiement des switches logiciels dans un réseau

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Tomassilli, Andrea. "Vers les réseaux de nouvelle génération avec SDN et NFV." Thesis, Université Côte d'Azur (ComUE), 2019. http://www.theses.fr/2019AZUR4044.

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Les progrès récents dans le domaine des réseaux, tels que les réseaux logiciel (SDN) et la virtualisation des fonctions réseaux (NFV), modifient la façon dont les opérateurs de réseaux déploient et gèrent les services Internet. D'une part, SDN introduit un contrôleur logiquement centralisé avec une vue globale de l'état du réseau. D'autre part, NFV permet le découplage complet des fonctions réseaux des appareils propriétaires et les exécute en tant qu'applications logicielles sur des serveurs génériques. De cette façon, les opérateurs de réseaux peuvent déployer dynamiquement des fonctions rés

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Nguyen, Thi Minh. "Optimisation de l'allocation des ressources dans les réseaux d'infrastructure basés sur la virtualisation des fonctions réseau." Thesis, Paris 6, 2017. http://www.theses.fr/2017PA066626/document.

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Les prestataires de service réseau doivent faire face à la demande croissante des besoins des utilisateurs, en particulier vers une plus grande flexibilité et toujours plus de capacité. La "softwerisation" et la "cloudification" des composants du réseau offrent une solution prometteuse pour obtenir l'agilité nécessaire afin de répondre dynamiquement à l'exigence au niveau de la consommation des ressources. Cette vision se traduit par le déploiement de la Virtualisation des Fonctions Réseau (NFV) où les Fonctions de Réseau Virtuels (VNFs) peuvent être associées pour créer des services réseau. C

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Madani, Mohamed Abderrahmane. "Novel Strategies and Resource Optimization for Disaster-Resilient Network Service Function Chaining." Electronic Thesis or Diss., Ecole nationale supérieure Mines-Télécom Lille Douai, 2025. http://www.theses.fr/2025MTLD0002.

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La programmabilité et la virtualisation croissante des architectures réseaux nécessitent de nouvelles approches pour garantir une résilience face aux catastrophes (naturelles, défaillances matérielles localisées ou généralisées). Elles nécessitent aussi de maintenir la qualité de service, en cas de pannes à grande échelle. Alors que la complexité et la dynamicité des infrastructures numériques s’accroît, il est essentiel de développer des stratégies robustes de provisionnement de services réseaux virtualisés. L’objectif est de garantir la continuité opérationnelle du réseau et la fiabilité des

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Ikhelef, Issam Abdeldjalil. "Optimisation de placement et chainage de fonctions réseaux selon le paradigme SDN/NFV." Electronic Thesis or Diss., Paris 13, 2024. http://www.theses.fr/2024PA131002.

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Actuellement, le secteur des réseaux connaît un intérêt croissant pour deux technologies majeures : la virtualisation des fonctions réseau (NFV) et les réseaux définis par logiciel (SDN). NFV et SDN offrent des approches novatrices en matière de gestion des réseaux, en apportant une grande flexibilité et programmabilité. Le réseau défini par logiciel(SDN) révolutionne la gestion des réseaux en dissociant le plan de contrôle du plan de données. Cette séparation de plans permet un contrôle centralisé et programmable, remplaçant le contrôle traditionnel basé sur le matériel physique par un contrô

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Salhab, Nazih. "Resource provisioning and dynamic optimization of Network Slices in an SDN/NFV environment." Thesis, Paris Est, 2020. http://www.theses.fr/2020PESC2019.

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Pour offrir le haut débit mobile amélioré, les communications massives et critiques pour l'Internet des objets, la cinquième génération (5G) des réseaux mobiles est déployée à nos jours, en se basant sur plusieurs catalyseurs: le réseau d'accès radio nuagique (C-RAN), les réseaux programmables (SDN), et la virtualisation des fonctions réseaux (NFV). Le C-RAN décompose la nouvelle génération Node-B (gNB) en: i) tête radio distante (RRH), ii) unité digitale (DU), et iii) unité centrale (CU), appelée aussi unité cloud ou collaborative. Les DU et CU implémentent la base bande (BBU) tout en utilisa

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Luizelli, Marcelo Caggiani. "Scalable cost-efficient placement and chaining of virtual network functions." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2017. http://hdl.handle.net/10183/169337.

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A Virtualização de Funções de Rede (NFV – Network Function Virtualization) é um novo conceito arquitetural que está remodelando a operação de funções de rede (e.g., firewall, gateways e proxies). O conceito principal de NFV consiste em desacoplar a lógica de funções de rede dos dispositivos de hardware especializados e, desta forma, permite a execução de imagens de software sobre hardware de prateleira (COTS – Commercial Off-The-Shelf). NFV tem o potencial para tornar a operação das funções de rede mais flexíveis e econômicas, primordiais em ambientes onde o número de funções implantadas pode

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Baranda, Hortigüela Jorge. "End-to-end network service orchestration in heterogeneous domains for next-generation mobile networks." Doctoral thesis, Universitat Politècnica de Catalunya, 2021. http://hdl.handle.net/10803/672782.

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5G marks the beginning of a deep revolution in the mobile network ecosystem, transitioning to a network of services to satisfy the demands of new players, the vertical industries. This revolution implies a redesign of the overall mobile network architecture where complexity, heterogeneity, dynamicity, and flexibility will be the rule. Under such context, automation and programmability are essential to support this vision and overcome current rigid network operation processes. Software Defined Networking (SDN), Network Function Virtualization (NFV) and Network slicing are key enabling technique

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Farshin, Alireza. "Realizing Low-Latency Internet Services via Low-Level Optimization of NFV Service Chains : Every nanosecond counts!" Licentiate thesis, KTH, Network Systems Laboratory (NS Lab), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-249664.

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By virtue of the recent technological developments in cloud computing, more applications are deployed in a cloud. Among these modern cloud-based applications, some require bounded and predictable low-latency responses. However, the current cloud infrastructure is unsuitable as it cannot satisfy these requirements, due to many limitations in both hardware and software. This licentiate thesis describes attempts to reduce the latency of Internet services by carefully studying the currently available infrastructure, optimizing it, and improving its performance. The focus is to optimize the perform

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D'Oro, Salvatore. "User-Centric resource allocation through a power-efficient jamming-proof RAN on top of a multi-tenant backhaul." Doctoral thesis, Università di Catania, 2016. http://hdl.handle.net/10761/3856.

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The exponential growth in the number of communicating devices and the increasing demand for better and high-performance communications have made allocation of network resources an issue of extreme importance. The problem is further exacerbated if we consider that, while the number of deployed devices is massive, the amount of network resources is still limited. In this thesis, we aim at providing a holistic approach for resource allocation in modern telecommunication networks. Specifically, we consider a network consisting of a backhaul interconnecting a Radio Access Network (RAN) that provide

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Nguyen, Thi Minh. "Optimisation de l'allocation des ressources dans les réseaux d'infrastructure basés sur la virtualisation des fonctions réseau." Electronic Thesis or Diss., Paris 6, 2017. https://accesdistant.sorbonne-universite.fr/login?url=https://theses-intra.sorbonne-universite.fr/2017PA066626.pdf.

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Les prestataires de service réseau doivent faire face à la demande croissante des besoins des utilisateurs, en particulier vers une plus grande flexibilité et toujours plus de capacité. La "softwerisation" et la "cloudification" des composants du réseau offrent une solution prometteuse pour obtenir l'agilité nécessaire afin de répondre dynamiquement à l'exigence au niveau de la consommation des ressources. Cette vision se traduit par le déploiement de la Virtualisation des Fonctions Réseau (NFV) où les Fonctions de Réseau Virtuels (VNFs) peuvent être associées pour créer des services réseau. C

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Pitzus, Antonio. "SDN : Software Defined Networking." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amslaurea.unibo.it/14006/.

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In un periodo in cui tutto si evolve rapidamente, il settore delle telecomunicazioni sta assistendo alla crescita esponenziale del numero di dispositivi mobili costantemente connessi alla rete; ciò richiede la necessità di un nuovo modo di gestire le reti. La nuova visione che sta maturando in questi ultimi tempi è quella di adottare un modello di rete dinamico, flessibile e soprattutto affidabile e che non richieda grossi sforzi di manutenzione o l’installazione di ulteriori hardware da parte degli operatori. Una rete con queste caratteristiche può essere sviluppata grazie ad un modello ar

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Biallach, Hanane. "Optimization of VNF reconfiguration problem for 5G network slicing." Electronic Thesis or Diss., Compiègne, 2022. http://www.theses.fr/2022COMP2707.

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Ces dernières années, en raison de la croissance sans précédent du nombre d'appareils connectés et de données mobiles, et des développements continus des technologies pour répondre à cette énorme demande de données, le réseau de cinquième génération (5G) a émergé. La future architecture 5G sera essentiellement basée sur le Network Slicing (NS), qui permet de fournir une approche flexible pour réaliser la vision 5G. Grâce au concept émergent de virtualisation des fonctions réseau (NFV), les fonctions réseau sont découplées des matériels physiques dédiés et réalisées sous forme de logiciel. Cela

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Hummel, Václav. "Framework pro hardwarovou akceleraci 400Gb sítí." Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2017. http://www.nusl.cz/ntk/nusl-363862.

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The NetCOPE framework has proven itself as a viable framework for rapid development of hardware accelerated wire-speed network applications using Network Functions Virtualization (NFV). To meet the current and future requirements of such applications the NetCOPE platform has to catch up with upcoming 400 Gigabit Ethernet. Otherwise, it may become deprecated in following years. Catching up with 400 Gigabit Ethernet brings many challenges bringing necessity of completely different way of thinking. Multiple network packets have to be processed each clock cycle requiring a new concept of processin

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Foresta, Francesco. "Integration of SDN frameworks and Cloud Computing platforms: an Open Source approach." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amslaurea.unibo.it/14271/.

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As a result of the explosion in the number of services offered over the Internet, network traffic has experienced a remarkable increment and is supposed to increase even more in the few next years. Therefore, Telco operators are investigating new solutions aiming at managing this traffic efficiently and transparently to guarantee the users the needed Quality of Service. The most viable solution is to have a paradigm shift in the networking field: the old and legacy routing will be indeed replaced by something more dynamic, through the use of Software Defined Networking. In addition to it, Net

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Moreira, Rodrigo. "Um orquestrador flexível de recursos de rede e computação para o aprimoramento de qualidade de serviço (QoS) em aplicações multimídia baseadas em funções virtualizadas de rede (NFV)." Universidade Federal de Uberlândia, 2017. https://repositorio.ufu.br/handle/123456789/19743.

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Pessoas e organizações ao redor do globo utilizam aplicações multimídia para interação e comunicação. Existe notável crescimento de tráfego característico dessas aplicações, uma vez que há convergência de voz e dados para um modelo único de transporte. As redes de computadores, por suportar tais aplicações cadenciam desafios e oportunidades de negócios que os operadores têm aproveitado. Por outro lado, os usuários experimentam serviços com qualidades cada vez mais refinados, mesmo assim, existem aspectos que devem ser tratados para elevar a qualidade de experiência percebida pelos usuários ao

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BARRETO, Jymmy Paul Souza. "Composição de serviços em network function virtualization." Universidade Federal de Pernambuco, 2016. https://repositorio.ufpe.br/handle/123456789/25845.

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Submitted by Pedro Barros (pedro.silvabarros@ufpe.br) on 2018-08-15T19:52:51Z No. of bitstreams: 2 license_rdf: 811 bytes, checksum: e39d27027a6cc9cb039ad269a5db8e34 (MD5) DISSERTAÇÃO Jymmy Paul Souza Barreto.pdf: 1650520 bytes, checksum: 9b58d6df9ea35f93b7083597ff86ca77 (MD5)<br>Approved for entry into archive by Alice Araujo (alice.caraujo@ufpe.br) on 2018-08-24T18:49:13Z (GMT) No. of bitstreams: 2 license_rdf: 811 bytes, checksum: e39d27027a6cc9cb039ad269a5db8e34 (MD5) DISSERTAÇÃO Jymmy Paul Souza Barreto.pdf: 1650520 bytes, checksum: 9b58d6df9ea35f93b7083597ff86ca77 (MD5)<br>Made available

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Alleg, Abdelhamid. "Service Function Placement and Chaining in Network Function Virtualization Environments." Thesis, Bordeaux, 2019. http://www.theses.fr/2019BORD0117.

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L'émergence de la technologie de virtualisation des fonctions réseau (NFV) a suscité un vif intérêt autour de la conception, la gestion et le déploiement de services réseau de manière flexible, automatisée et indépendante du fournisseur. La mise en œuvre de la technologie NFV devrait être une solution profitable pour les fournisseurs de services et les clients. Cependant, ce changement de paradigme, amorcé par NFV, nécessite un abandon progressif des services réseau fournis à travers des équipements dédiés. En contrepartie, un environnement totalement ou partiellement virtualisé est proposé po

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Cunha, Vítor António Gonçalves Ribeiro da. "Service function chaining for NFV in cloud environments." Master's thesis, Universidade de Aveiro, 2015. http://hdl.handle.net/10773/21133.

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Mestrado em Engenharia de Computadores e Telemática<br>Service Function Chaining, Virtual Network Functions e Cloud Computing são os conceitos chave para resolver (em “grande plano”) uma necessidade actual dos operadores de telecomunicações: a virtualização dos equipamentos na casa dos consumidores, particularmente o Home Gateway. Dentro deste contexto, o objetivo desta dissertação será providenciar as Funções Virtuais de Rede (tais como um vDHCP, Classificador de Tráfego e Shaper) assim como respectivas APIs necessárias para se atingir essa solução de “grande plano”. A solução utilizar

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Pedro, Rui Filipe. "Performance management in virtualized and programmable network environments (NFV and SDN)." Master's thesis, Universidade de Aveiro, 2017. http://hdl.handle.net/10773/23472.

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Mestrado em Engenharia de Computadores e Telemática<br>More than tendencies and exploratory knowledge domains, there is a strong conviction in the industry that network function virtualization (NFV) and software-de ned network (SDN) paradigms came here to stay in the telecommunication services world. So that operators can surf the waves of change, they will have to signi cantly change their network architecture, their management mechanisms, and, simultaneously , their business model. This Master Thesis intends to contribute to the operators operation management mechanisms evolution, nam

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Montanari, Luca. "A Network Function Virtualization Architecture for Distributed IoT Gateways." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amslaurea.unibo.it/13345/.

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La virtualizzazione permette a diverse applicazioni di condividere lo stesso dispositivo IoT. Tuttavia, in ambienti eterogenei, reti di dispositivi IoT virtualizzati fanno emergere nuove sfide, come la necessità di fornire on-the-fly e in maniera dinamica, elastica e scalabile, gateway. NFV è un paradigma progettato per affrontare queste nuove sfide. Esso sfrutta tecnologie di virtualizzazione standard per consolidare specifici elementi di rete su generico hardware commerciale. Questa tesi presenta un'architettura NFV per gateway IoT distribuiti, nella quale istanze software dei moduli dei ga

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Oliveira, Diogo. "Multi-Objective Resource Provisioning in Network Function Virtualization Infrastructures." Scholar Commons, 2018. http://scholarcommons.usf.edu/etd/7206.

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Network function virtualization (NFV) and software-dened networking (SDN) are two recent networking paradigms that strive to increase manageability, scalability, pro- grammability and dynamism. The former decouples network functions and hosting devices, while the latter decouples the data and control planes. As more and more service providers adopt these new paradigms, there is a growing need to address multi-failure conditions, particularly those arising from large-scale disaster events. Overall, addressing the virtual network function (VN

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CERRATO, IVANO. "High performance network function virtualization for user-oriented services." Doctoral thesis, Politecnico di Torino, 2016. http://hdl.handle.net/11583/2643656.

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The Network Function Virtualization (NFV) paradigm proposes to transform those network functions today running on dedicated and often closed appliances (e.g., firewall, wan accelerator) into pure software images, called Virtual Network Functions (VNFs), which can be consolidated and executed on high-volume standard servers. In this context, this dissertation focuses on the possibility of enabling each single end user (and not only network operators) to set up network services by means of NFV, allowing him to custoimize the set of services that are active on his Internet connection. This goal m

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Oljira, Dejene Boru. "Telecom Networks Virtualization : Overcoming the Latency Challenge." Licentiate thesis, Karlstads universitet, Institutionen för matematik och datavetenskap (from 2013), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-67243.

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Telecom service providers are adopting a Network Functions Virtualization (NFV) based service delivery model, in response to the unprecedented traffic growth and an increasing customers demand for new high-quality network services. In NFV, telecom network functions are virtualized and run on top of commodity servers. Ensuring network performance equivalent to the legacy non-virtualized system is a determining factor for the success of telecom networks virtualization. Whereas in virtualized systems, achieving carrier-grade network performance such as low latency, high throughput, and high avail

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Östermark, Filip. "Performance Optimization of Virtualized Packet Processing Function for 5G RAN." Thesis, KTH, Radio Systems Laboratory (RS Lab), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-218090.

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The advent of the fifth generation mobile networks (5G) presents many new challenges to satisfy the requirements of the upcoming standards. The 5G Radio Access Network (RAN) has several functions which must be highly optimized to keep up with increasing performance requirements. One such function is the Packet Processing Function (PPF) which must process network packets with high throughput and low latency. A major factor in the pursuit of higher throughput and lower latency is adaptability of 5G technology. For this reason, Ericsson has developed a prototype 5G RAN PPF as a Virtualized Networ

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HE, FUJUN. "Reliable Resource Allocation Models in Network Virtualization." Doctoral thesis, Kyoto University, 2020. http://hdl.handle.net/2433/259077.

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京都大学<br>0048<br>新制・課程博士<br>博士(情報学)<br>甲第22809号<br>情博第739号<br>新制||情||126(附属図書館)<br>京都大学大学院情報学研究科通信情報システム専攻<br>(主査)教授大木英司, 教授守倉正博, 教授原田博司<br>学位規則第4条第1項該当<br>Doctor of Informatics<br>Kyoto University<br>DFAM

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Maiorano, Picone Pasquale Carlo. "A QoS Controller Framework Compliant with the ETSI Network Function Virtualization Specification." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2016. http://amslaurea.unibo.it/10406/.

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The 5th generation of mobile networking introduces the concept of “Network slicing”, the network will be “sliced” horizontally, each slice will be compliant with different requirements in terms of network parameters such as bandwidth, latency. This technology is built on logical instead of physical resources, relies on virtual network as main concept to retrieve a logical resource. The Network Function Virtualisation provides the concept of logical resources for a virtual network function, enabling the concept virtual network; it relies on the Software Defined Networking as main technology to

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Heideker, Alexandre. "Gerenciamento flexível de infraestrutura de acesso público à internet com NFV." reponame:Repositório Institucional da UFABC, 2016.

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Orientador: Prof. Dr. Carlos Alberto Kamienski<br>Dissertação (mestrado) - Universidade Federal do ABC, Programa de Pós-Graduação em Engenharia da Informação, 2016.<br>O conceito de Cidades Inteligentes, com a rápida urbanização e adoção de tecnologias como Internet das Coisas (IoT), smartphones e outras tecnologias de computação pervasiva, já é realidade. Esse cenário apresenta uma nova classe de problemas computacionais e de infraestrutura de telecomunicações, exigindo o equacionamento das variáveis flexibilidade, qualidade de serviço e custo, tanto financeiro como ambiental. Tecnologias com

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Kamaruddin, Amalina Farhan. "Experimentation on dynamic congestion control in Software Defined Networking (SDN) and Network Function Virtualisation (NFV)." Thesis, Brunel University, 2017. http://bura.brunel.ac.uk/handle/2438/16917.

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In this thesis, a novel framework for dynamic congestion control has been proposed. The study is about the congestion control in broadband communication networks. Congestion results when demand temporarily exceeds capacity and leads to severe degradation of Quality of Service (QoS) and possibly loss of traffic. Since traffic is stochastic in nature, high demand may arise anywhere in a network and possibly causing congestion. There are different ways to mitigate the effects of congestion, by rerouting, by aggregation to take advantage of statistical multiplexing, and by discarding too demanding

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Cardoso, Igor Duarte. "Network infrastructure control for virtual campuses." Master's thesis, Universidade de Aveiro, 2014. http://hdl.handle.net/10773/14707.

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Mestrado em Engenharia de Computadores e Telemática<br>This dissertation provides a way to merge Cloud Computing infrastructures with traditional or legacy network deployments, leveraging the best in both worlds and enabling a logically centralized control for it. A design/architecture is proposed to extend existing Cloud Computing software stacks so they are able to manage networks outside the Cloud Computing infrastructure, by extending the internal, virtualized network segments. This is useful in a variety of use cases such as incremental Legacy to Cloud network migration, hybrid virt

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Hsieh, Cheng-Liang. "Design and Implementation of Scalable High-Performance Network Functions." OpenSIUC, 2017. https://opensiuc.lib.siu.edu/dissertations/1416.

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Service Function Chaining (SFC) enriches the network functionalities to fulfill the increasing demand of value-added services. By leveraging SDN and NFV for SFC, it becomes possible to meet the demand fluctuation and construct a dynamic SFc. However, the integration of SDN with NFV requires packet header modifications, generates excessive network traffics, and induces additional I/O overheads for packet processing. These additional overheads result in a lower system performance, scalability, and agility. To improve the system performance, a co-optimized solution is proposed to implemented NF t

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Al-Kaseem, Bilal R. "Optimised cloud-based 6LoWPAN network using SDN/NFV concepts for energy-aware IoT applications." Thesis, Brunel University, 2017. http://bura.brunel.ac.uk/handle/2438/15642.

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The Internet of Things (IoT) concept has been realised with the advent of Machineto-Machine (M2M) communication through which the vision of future Internet has been revolutionised. IPv6 over Low power Wireless Personal Area Networks (6LoWPAN) provides feasible IPv6 connectivity to previously isolated environments, e.g. wireless M2M sensors and actuator networks. This thesis's contributions include a novel mathematical model, energy-efficient algorithms, and a centralised software controller for dynamic consolidation of programmability features in cloud-based M2M networks. A new generalised joi

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Raza, Muhammad Rehan. "Flexible and Programmable 5G Transport Networks." Licentiate thesis, KTH, Optical Network Laboratory (ON Lab), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-196525.

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The advent of 5th generation of mobile networks (5G) will introduce some new challenges for the transport network. Different strategies can be employed by the network providers to address these challenges with the aim to achieve an efficient utilization of network resources. The most feasible option to achieve this goal is to introduce intelligence in the transport infrastructure by designing a flexible and programmable transport network. Network function virtualization (NFV) and dynamic resource sharing (DRS) are two possible techniques for realizing a flexible transport network. NFV allows t

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van, 't Hof David M. "Service Provisioning in SDN using a Legacy Network Management System." Thesis, KTH, Skolan för informations- och kommunikationsteknik (ICT), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-204957.

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Software Defined Networking (SDN) has become increasingly popular in combination with Network Function Virtualization (NFV). SDN is a way to make a network more programmable and dynamic. However, in order to create a homogeneous network using this concept, legacy equipment will have to be substituted by SDN equipment, which is costly. To close the gap between the legacy world and SDN, we introduce the concept of a legacy Network Management System (NMS) that is connected to an SDN controller to perform service provisioning. This way, the NMS is capable of configuring both legacy as well as SDN

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Di, Santi Silvio. "5G Network Architecture." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2020. http://amslaurea.unibo.it/20432/.

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In this work the 5G core network architecture has been explored: starting from the enabling technologies that are supporting the "revolution" and looking in depth at the current 4G LTE network architecture, we tried to find a solution to bridge the gap between these two totally different architecture. Once the solution has been found, we used a simulation platform provided by the ONF (Open Networking Foundation) that demonstrates the feasibility of such approach.

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Remeš, Jan. "Virtualizace vstupních a výstupních operací v počítačových sítích." Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2017. http://www.nusl.cz/ntk/nusl-363900.

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This work deals with virtualization of computer systems and network cards in high-speed computer networks, and describes implementation of the SR-IOV virtualization technology support in the COMBO network card platform. Various approaches towards network card virtualization are compared, and the benefits of the SR-IOV technology for high performance applications are described. The work gives overview of the COMBO platform and describes design and implementation of the SR-IOV technology support for the COMBO platform. The work concludes with measurement and analysis of the implemented technolog

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SPINOSO, SERENA. "Verification and Configuration of Software-based Networks." Doctoral thesis, Politecnico di Torino, 2017. http://hdl.handle.net/11583/2676611.

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The innovative trends of Network Function Virtualization (NFV) and Software Defined Networking (SDN) have posed never experienced opportunities in productive environments, like data centers. While NFV decouples software implementation of the network functions (e.g., DPI and NAT) from their physical counterparts, SDN is in charge of dynamically changing those functions to create network paths. One new opportunity of such Software-based networks is to make the network service-provisioning models more flexible, by enabling users to build their own service graphs: users can select the Virtual Netw

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Xirouchakis, Michail. "Traffic Load Predictions Using Machine Learning : Scale your Appliances a priori." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-254906.

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Layer 4-7 network functions (NF), such as Firewall or NAPT, have traditionally been implemented in specialized hardware with little to no programmability and extensibility. The scientific community has focused on realizing this functionality in software running on commodity servers instead. Despite the many advancements over the years (e.g., network I/O accelerations), software-based NFs are still unable to guarantee some key service-level objectives (e.g., bounded latency) for the customer due to their reactive approach to workload changes. This thesis argues that Machine Learning techniques

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