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Dissertations / Theses on the topic 'SOFTWARE DEFINED NETWORK (SDN)'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Wiklund, Petter. "SDN : Software defined networks." Thesis, Umeå universitet, Institutionen för tillämpad fysik och elektronik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-91891.

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This report is a specialization in Software defined networking. SDN really comes to revolutionize the industry and it’s under constant development. But is the technology ready to be launched into operation yet? The report would initially involve a number of problems that today's network technology is facing. It then follows a deeper description of what this software-based networking technology really is and how it works. Further, the technique is being tested in a lab assignment, using a program that builds a test virtual network with support for SDN, called Mininet. The final part summarizes

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2

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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3

Tseng, Yuchia. "Securing network applications in software defined networking." Electronic Thesis or Diss., Sorbonne Paris Cité, 2018. http://www.theses.fr/2018USPCB036.

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Suite à l'introduction de divers services Internet, les réseaux informatiques ont été reconnus ‏comme ayant joué un rôle essentiel dans la vie moderne au cours du dernier demi-siècle. Le ‏développement rapide et la convergence des technologies informatiques et de communication ‏créent le besoin de connecter divers périphériques avec différents systèmes d'exploitation ‏et protocoles. Il en résulte de nombreux défis pour fournir une intégration transparente ‏d'une grande quantité de dispositifs physiques ou d'entités hétérogènes. Ainsi, les réseaux ‏définis par logiciel (Software Defined Network

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4

Shahzad, Syed Amir. "Route aggregation in Software-defined Networks." Thesis, KTH, Radio Systems Laboratory (RS Lab), 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-123977.

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Software-defined Networking (SDN) is an emerging trend in communication networks that facilitates decoupling the control and data plane of multilayer switches. A logically centralized controller hosted on a server configures the forwarding tables (flow tables) of switches in order to route the various data flows. To implement SDN, OpenFlow technology has been adopted by packet switching vendors as it provides increased flexibility for the control and management of a packet switched domain. OpenFlow technology provides flow based switching that is controlled by a network management control app

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5

Andersson, Peter, and Robin Blomqvist. "Software Defined Network : Med openflow." Thesis, Mittuniversitetet, Avdelningen för informations- och kommunikationssystem, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-28597.

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Detta projekt har haft som mål att skapa ett redundant SDN-nätverk som ska ligga som grund för ett fiktivt företag. Företeaget ska kunna använda nätverket som vi bygger upp för att vidareutveckla detta och anpassa det efter verksamhetens behov. Nätverket byggs upp med mininet som används för att simulera en nätverksmiljö. Det fiktiva företaget ska sedan bara kunna lyfta ut nätverket från mininet ut till ett riktigt nätverk. Nätverkets funktioner, såsom protokollen STP och LACP implementeras med hjälp av programmeringsspråket python.<br>The goal for this project is to setup a redundant Software

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6

Kim, Hyojoon. "Facilitating dynamic network control with software-defined networking." Diss., Georgia Institute of Technology, 2015. http://hdl.handle.net/1853/53939.

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This dissertation starts by realizing that network management is a very complex and error-prone task. The major causes are identified through interviews and systematic analysis of network config- uration data on two large campus networks. This dissertation finds that network events and dynamic reactions to them should be programmatically encoded in the network control program by opera- tors, and some events should be automatically handled for them if the desired reaction is general. This dissertation presents two new solutions for managing and configuring networks using Software- Defined Netwo

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Tammana, Praveen Aravind Babu. "Software-defined datacenter network debugging." Thesis, University of Edinburgh, 2018. http://hdl.handle.net/1842/31326.

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Software-defined Networking (SDN) enables flexible network management, but as networks evolve to a large number of end-points with diverse network policies, higher speed, and higher utilization, abstraction of networks by SDN makes monitoring and debugging network problems increasingly harder and challenging. While some problems impact packet processing in the data plane (e.g., congestion), some cause policy deployment failures (e.g., hardware bugs); both create inconsistency between operator intent and actual network behavior. Existing debugging tools are not sufficient to accurately detect,

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8

Liver, Toma, and Mohammed Darian. "Soft Migration from Traditional to Software Defined Networks." Thesis, Mälardalens högskola, Akademin för innovation, design och teknik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-44265.

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The concept of Software Defined Networking (SDN) may be a way to face the fast growing computer network infrastructure with its demands and requirements. The concept is attracting the interest of enterprises to expand their respective network infrastructures, but one has to consider the impacts of migrating from an existing network infrastructure to an SDN network. One way that could minimize the impacts is to proceed a soft migration from a traditional IP network to SDN, creating what is so called a heterogeneous network. Instead of fully replacing the network infrastructure and face the impa

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9

Abou, El Houda Zakaria. "Security Enforcement through Software Defined Networks (SDN)." Thesis, Troyes, 2021. http://www.theses.fr/2021TROY0023.

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La conception originale d'Internet n'a pas pris en compte les aspects de sécurité du réseau, l’objectif prioritaire était de faciliter le processus de communication. Par conséquent, de nombreux protocoles de l'infrastructure Internet exposent un ensemble de vulnérabilités. Ces dernières peuvent être exploitées par les attaquants afin de mener un ensemble d’attaques. Les attaques par déni de service distribué (DDoS) représentent une grande menace; DDoS est l'une des attaques les plus dévastatrices causant des dommages collatéraux aux opérateurs de réseau ainsi qu'aux fournisseurs de services In

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10

Al-Ani, Layth. "Integrating IP Protocol Into Optical Networks by Using Software-defined Network (SDN)." Thesis, Université d'Ottawa / University of Ottawa, 2015. http://hdl.handle.net/10393/33010.

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The Internet, with cloud computing, offers amazing services that require a fast, intelligent, reliable network connection. Current networks, electrical or optical, need to work together to provide the user with a high-quality connection. The IP protocol as Layer 3 and an optical network as Layer 2 need to talk to each other and help each other instead of working separately. Therefore, this thesis proposes using software-defined network (SDN) technology for integrating the IP protocol into an optical network to fill the gap between the two layers and to give the network more intelligence and fl

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11

Bispo, Pedro José Neves. "A software defined network controller quantitative and qualitative analysis." Master's thesis, Universidade de Aveiro, 2017. http://hdl.handle.net/10773/23475.

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Mestrado em Engenharia Eletrónica e Telecomunicações<br>New challenges are being raised in the networking field with the increasing number of connected devices. The growth of mobile data usage has to be considered as a requirement for the deployment of future 5G networks, especially regarding mobility scenarios. Software-Defined Networking (SDN) enables a greater degree of dynamism and simplification for the deployment of those 5G networks. SDN provides the separation of the control plane from the forwarding plane, allowing more control, adaptability and cost reduction. The growth of SD

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Nevala, Christian. "Mobility management for software defined wireless sensor networks." Thesis, Mälardalens högskola, Akademin för innovation, design och teknik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-31936.

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By advancing technologies in both hardware and software, it is possible to support more complex applications. Wireless Sensor Networks (WSNs) comprised of tiny sensing devices with wireless radios are the key enablers for future Internet of Things(IoT) applications, where collecting measurements and delivering them to their destination is the most important task. In traditional sensor networks, sensor nodes were typically stationary and each node periodically measured and sent data to the next predefined router. However, in current applications, some nodes are expected to move. For instance, i

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13

Rotsos, Charalampos. "Improving network extensibility and scalability through SDN." Thesis, University of Cambridge, 2015. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.709033.

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Maricato, José Miguel Duarte. "Software defined access networks." Master's thesis, Universidade de Aveiro, 2016. http://hdl.handle.net/10773/17212.

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Mestrado em Engenharia Electr onica e Telecomunica c~oes<br>With the increase of internet usage and the exponential growth of bandwidth consumption due to the increasing number of users of new generation equipments and the creation of new services that consume increasingly higher bandwidths, it's necessary to nd solutions to meet these new requirements. Passive optical networks (PONs) promise to solve these problems by providing a better service to users and providers. PON networks are very attractive since they don't depend on active elements between their end points, leading to lower

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15

D'Ambrosio, Mattia. "Software Defined Networks: alcuni casi di studio." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2014. http://amslaurea.unibo.it/7256/.

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In questo elaborato si descrive l'emergente approccio alle reti, il Software Defined Network, ed i suoi benefici. Successivamente viene preso in considerazione un importante componente di questa nuova architettura: il protocollo OpenFlow; si spiega che cos'è e si elencano i benefici che può apportare ad un'architettura SDN a sostegno di questi vengono mostrati quattro differenti casi d'uso di OF, comparati poi ad altri scenari equivalenti che non usano questo protocollo. Infine si è pensato ad alcuni possibili studi e sviluppi circa quest'architettura.

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Biyase, Lindokuhle Zakithi. "Scalable Bandwidth Management in Software-Defined Networks." Master's thesis, Faculty of Engineering and the Built Environment, 2021. http://hdl.handle.net/11427/33656.

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There has been a growing demand to manage bandwidth as the network traffic increases. Network applications such as real time video streaming, voice over IP and video conferencing in IP networks has risen rapidly over the recently and is projected to continue in the future. These applications consume a lot of bandwidth resulting in increasing pressure on the networks. In dealing with such challenges, modern networks must be designed to be application sensitive and be able to offer Quality of Service (QoS) based on application requirements. Network paradigms such as Software Defined Networking (

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17

Pagola, Moledo Santiago. "Vendor-Independent Software-Defined Networking : Beyond The Hype." Thesis, Linköpings universitet, Databas och informationsteknik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-157456.

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Software-Defined Networking (SDN) is an emerging trend in networking that offers a number of advantages such as smoother network management over traditional networks. By decoupling the control and data planes from network elements, a huge amount of new opportunities arise, especially in network virtualization. In cloud datacenters, where virtualization plays a fundamental role, SDN presents itself as the perfect candidate to ease infrastructure management and to ensure correct operation. Even if the original SDN ideology advocates openness of source and interfaces, multiple networking vendors

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18

Kandoi, Rajat. "Deploying Software-Defined Networks: a Telco Perspective." Thesis, KTH, Skolan för informations- och kommunikationsteknik (ICT), 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-172354.

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Software-De_ned Networking (SDN) proposes a new network architecture inwhich the control plane and forwarding plane are decoupled. SDN can improvenetwork e_ciency and ease of management through the centralization of the controland policy decisions. However, SDN deployments are currently limited todata-center and experimental environments. This thesis surveys the deploymentof SDN from the perspective of a telecommunication network operator. We discussthe strategies which enable the operator to migrate to a network in whichboth SDN and legacy devices interoperate. As a synthesis of existing tech

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Bassey, Ukemeobong Okon. "On iBGP Multicasting in Software Defined Networks." Thesis, Université d'Ottawa / University of Ottawa, 2017. http://hdl.handle.net/10393/36871.

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In the Internet today, learnt prefixes are forwarded within autonomous systems (ASs) over internal Border Gateway Protocol (iBGP) sessions. Existing schemes for iBGP routing include the full-mesh (FM) solution, route reflection (RR) solution and confederation. Optimal prefix routing and route diversity are the main strength of the FM solution. However, it is rarely employed in a large networks due to its deficiency in aspects including scalability and large Routing Information Base (RIB) size requirement of routers. This is due to the fact that routers in this topology are required to peer wi

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20

Berriri, Asma. "Model based testing techniques for software defined networks." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLL017/document.

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Les réseaux logiciels (connus sous l'éppellation: Software Defined Networking, SDN), qui s'appuient sur le paradigme de séparation du plan de contrôle et du plan d'acheminement, ont fortement progressé ces dernières années pour permettre la programmabilité des réseaux et faciliter leur gestion. Reconnu aujourd'hui comme des architectures logicielles pilotées par des applications, offrant plus de programmabilité, de flexibilité et de simplification des infrastructures, les réseaux logiciels sont de plus en plus largement adoptés et graduellement déployés par l'ensemble des fournisseurs. Néanmoi

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21

Olivi, Matteo. "Design of a Kubernetes-based Software-Defined Network Control Plane." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2020.

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Negli ultimi anni, Kubernetes è emerso come l’orchestratore di applicazioni a containers dominante. Il suo design è basato su un’API che permette di descrivere in modo dichiarativo lo stato desiderato delle applicazioni e su un piano di controllo che lavora per far convergere lo stato effettivo delle applicazioni verso lo stato desiderato, ottenendo fault-tolerance, self-healing ed elevata scalabilità. Questo design pattern si è dimostrato estremamente efficace per la gestione dei container, ma è abbastanza generale da poter essere usato per orchestrare con successo qualsiasi tipo di ri

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Berriri, Asma. "Model based testing techniques for software defined networks." Electronic Thesis or Diss., Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLL017.

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Les réseaux logiciels (connus sous l'éppellation: Software Defined Networking, SDN), qui s'appuient sur le paradigme de séparation du plan de contrôle et du plan d'acheminement, ont fortement progressé ces dernières années pour permettre la programmabilité des réseaux et faciliter leur gestion. Reconnu aujourd'hui comme des architectures logicielles pilotées par des applications, offrant plus de programmabilité, de flexibilité et de simplification des infrastructures, les réseaux logiciels sont de plus en plus largement adoptés et graduellement déployés par l'ensemble des fournisseurs. Néanmoi

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23

Sund, Gabriel, and Haroon Ahmed. "Security challenges within Software Defined Networks." Thesis, KTH, Radio Systems Laboratory (RS Lab), 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-156030.

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A large amount of today's communication occurs within data centers where a large number of virtual servers (running one or more virtual machines) provide service providers with the infrastructure needed for their applications and services. In this thesis, we will look at the next step in the virtualization revolution, the virtualized network. Software-defined networking (SDN) is a relatively new concept that is moving the field towards a more software-based solution to networking. Today when a packet is forwarded through a network of routers, decisions are made at each router as to which route

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24

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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25

Nasim, Kamraan. "AETOS: An Architecture for Offloading Core LTE Traffic Using Software Defined Networking Concepts." Thesis, Université d'Ottawa / University of Ottawa, 2016. http://hdl.handle.net/10393/35085.

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It goes without saying that cellular users of today have an insatiable appetite for bandwidth and data. Data-intensive applications, such as video on demand, online gaming and video conferencing, have gained prominence. This, coupled with recent innovations in the mobile network such as LTE/4G, poses a unique challenge to network operators in how to extract the most value from their deployments all the while reducing their Total Cost of Operations(TCO). To this end, a number of enhancements have been proposed to the ”conventional” LTE mobile network. Most of these recognize the monolithic and

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Toufga, Soufian. "Vers des réseaux véhiculaires (VANET) programmables grâce à la technologie SDN (software defined network)." Thesis, Toulouse 3, 2020. http://www.theses.fr/2020TOU30128.

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Le concept de réseau véhiculaire qui initialement prônait essentiellement des communications de véhicules à véhicules s'ouvre à d'autres types de communications impliquant véhicules et infrastructure (réseau), cloud ou piétons, etc. afin de pouvoir répondre aux besoins de la grande variété des nouvelles applications envisagées dans le cadre du Système de Transport Intelligent (ITS: Intelligent Transportation System). La multitude des technologies réseau d'accès, la très forte mobilité des véhicules et leur forte densité en milieu urbain ainsi que la prédominance des communications sans-fil en

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Ongaro, Francesco. "Enhancing quality of service in software-defined networks." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2014. http://amslaurea.unibo.it/7356/.

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Resource management is of paramount importance in network scenarios and it is a long-standing and still open issue. Unfortunately, while technology and innovation continue to evolve, our network infrastructure system has been maintained almost in the same shape for decades and this phenomenon is known as “Internet ossification”. Software-Defined Networking (SDN) is an emerging paradigm in computer networking that allows a logically centralized software program to control the behavior of an entire network. This is done by decoupling the network control logic from the underlying physical router

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Crestani, Giulio. "Problematiche di sicurezza nelle software defined networks." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2014. http://amslaurea.unibo.it/7555/.

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Questa tesi ha l’obiettivo di comprendere e valutare se l’approccio al paradigma SDN, che verrà spiegato nel capitolo 1, può essere utilizzato efficacemente per implementare dei sistemi atti alla protezione e alla sicurezza di una rete più o meno estesa. Oltre ad introdurre il paradigma SDN con i relativi componenti basilari, si introduce il protocollo fondamentale OpenFlow, per la gestione dei vari componenti. Per ottenere l’obiettivo prestabilito, si sono seguiti alcuni passaggi preliminari. Primo tra tutti si è studiato cos’è l’SDN. Esso introduce una potenziale innovazione nell’utilizzo d

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Hasan, Khalid. "A Secure and Efficient Communication Framework for Software-Defined Wireless Body Area Network." Thesis, Griffith University, 2020. http://hdl.handle.net/10072/395104.

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Due to the recent development and advancement of communication technologies, healthcare industries are becoming more attracted towards information and communication technology services. One of the interesting services is the remote monitoring of patients through the use of a wireless body area network (WBAN), which enables healthcare providers to monitor, diagnose and prescribe patients without being present physically. To develop reliable and exible remote patient monitoring services, in this thesis, the current state-of-the art of WBAN and the limitations of current WBAN technologies are in

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Rivera, Polanco Sergio A. "AUTOMATED NETWORK SECURITY WITH EXCEPTIONS USING SDN." UKnowledge, 2019. https://uknowledge.uky.edu/cs_etds/87.

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Campus networks have recently experienced a proliferation of devices ranging from personal use devices (e.g. smartphones, laptops, tablets), to special-purpose network equipment (e.g. firewalls, network address translation boxes, network caches, load balancers, virtual private network servers, and authentication servers), as well as special-purpose systems (badge readers, IP phones, cameras, location trackers, etc.). To establish directives and regulations regarding the ways in which these heterogeneous systems are allowed to interact with each other and the network infrastructure, organizatio

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Ahmed, Haroon, and Gabriel Sund. "Security challenges within Software Defined Networks." Thesis, KTH, Skolan för informations- och kommunikationsteknik (ICT), 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-177394.

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A large amount of today's communication occurs within data centers where a large number of virtual servers (running one or more virtual machines) provide service providers with the infrastructure needed for their applications and services. In this thesis, we will look at the next step in the virtualization revolution, the virtualized network. Software-defined networking (SDN) is a relatively new concept that is moving the field towards a more software-based solution to networking. Today when a packet is forwarded through a network of routers, decisions are made at each router as to which route

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Alqallaf, Maha. "Software Defined Secure Ad Hoc Wireless Networks." Wright State University / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=wright1464020851.

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Santos, Ricardo. "5G Backhauling with Software-defined Wireless Mesh Networks." Licentiate thesis, Karlstads universitet, Institutionen för matematik och datavetenskap (from 2013), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-69437.

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Current technological advances have caused an exponential growth of the number of mobile Internet-connected devices, along with their respective traffic demands. To cope with this increase of traffic demands, fifth generation (5G) network architectures will need to provide multi-gigabit capacity at the access base stations (BSs), through the deployment of ultra-dense small cells (SCs) operating with millimeter-wave (mmWave) frequencies, e.g. 60 GHz. To connect the BSs to the core network, a robust and high capacity backhaul infrastructure is required. As it is unfeasible to connect all the SCs

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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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Carpa, Radu. "Energy Efficient Traffic Engineering in Software Defined Networks." Thesis, Lyon, 2017. http://www.theses.fr/2017LYSEN065/document.

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Ce travail a pour but d'améliorer l'efficacité énergétique des réseaux de cœur en éteignant un sous-ensemble de liens par une approche SDN (Software Defined Network). Nous nous différencions des nombreux travaux de ce domaine par une réactivité accrue aux variations des conditions réseaux. Cela a été rendu possible grâce à une complexité calculatoire réduite et une attention particulière au surcoût induit par les échanges de données. Pour valider les solutions proposées, nous les avons testées sur une plateforme spécialement construite à cet effet.Dans la première partie de cette thèse, nous p

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Ahmad, I. (Ijaz). "Improving software defined cognitive and secure networking." Doctoral thesis, Oulun yliopisto, 2018. http://urn.fi/urn:isbn:9789526219516.

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Abstract Traditional communication networks consist of large sets of vendor-specific manually configurable devices. These devices are hardwired with specific control logic or algorithms used for different network functions. The resulting networks comprise distributed control plane architectures that are complex in nature, difficult to integrate and operate, and are least efficient in terms of resource usage. However, the rapid increase in data traffic requires the integrated use of diverse access technologies and autonomic network operations with increased resource efficiency. Therefore, the c

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Alasadi, Emad Younis. "Enhancing network scalability by introducing mechanisms, architectures and protocols." Thesis, Brunel University, 2017. http://bura.brunel.ac.uk/handle/2438/15874.

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In this thesis, three key issues that restrict networks from scaling up so as to be able to cope with the rapid increase in traffic are investigated and series of approaches are proposed and tested for overcoming them. Firstly, scalability limitations owing to the use of a broadcast mechanism in one collision domain are discussed. To address this matter, servers under software-defined network architectures for eliminating discovery messages (SSED) are designed in this thesis and a backbone of floodless packets in an SDN LAN network is introduced. SSED has an innovative mechanism for defining t

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Alharbi, Faisal. "SDN-BASED MECHANISMS FOR PROVISIONING QUALITY OF SERVICE TO SELECTED NETWORK FLOWS." UKnowledge, 2018. https://uknowledge.uky.edu/cs_etds/72.

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Despite the huge success and adoption of computer networks in the recent decades, traditional network architecture falls short of some requirements by many applications. One particular shortcoming is the lack of convenient methods for providing quality of service (QoS) guarantee to various network applications. In this dissertation, we explore new Software-Defined Networking (SDN) mechanisms to provision QoS to targeted network flows. Our study contributes to providing QoS support to applications in three aspects. First, we explore using alternative routing paths for selected flows that have Q

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Molari, Alessandro. "Model Checking of Software Defined Networks using Header Space Analysis." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amslaurea.unibo.it/14772/.

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This thesis investigates the topic of verifying network status validity with a Cyber Security perspective. The fields of interest are dynamic networks like OpenFlow and Software Defined Networks, where these problems may have larger attack surface and greater impact. The framework under study is called Header Space Analysis, a formal model and protocol-agnostic framework that allows to perform static policy checking both in classical TCP/IP networks and modern dynamic SDN. The goal is to analyse some classes of network failure, declaring valid network states and recognizing invalid on

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Arbiza, Lucas Mendes Ribeiro. "SDN no contexto de IoT : refatoração de middleware para monitoramento de pacientes crônicos baseada em software-defined networking." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2016. http://hdl.handle.net/10183/134368.

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Algumas palavras e definições comumente utilizadas quando se está falando de Software-Defined Networking, como programabilidade, flexibilidade, ou gerenciamento centralizado, parecem muito apropriadas ao contexto de um outro paradigma de rede: Internet of Things. Em redes domésticas já não é incomum a existência de dispositivos projetados para segurança, climatização, iluminação, monitoramento de saúde e algumas formas de automação que diferem entre si em diversos aspectos, como no modo de operar e de se comunicar. Lidar com este tipo de cenário, que pode diferir bastante daquilo que estamos a

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Brás, Rui Nuno Carrulo. "Integrated cloud management using software defined networks." Master's thesis, Universidade de Aveiro, 2015. http://hdl.handle.net/10773/18563.

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Mestrado em Engenharia de Computadores e Telemática<br>Nestes últimos anos tem-se vindo a registar um grande aumento no número de dispositivos ligados à Internet a partir de praticamente qualquer lugar. Assim, para manter-se par com a procura, os Internet Providers têm de melhorar sua rede através da aquisição de mais dispositivos de rede, o que por sua vez aumenta o custo da infra-estrutura. Além disso, isso dificulta ainda mais a gestão das redes devido à sua abordagem centrada no hardware que requer a configuração manual de cada um dos dispositivos de rede. Uma mudança no paradigma a

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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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Vrablic, Pavol. "Simulace SDN sítě." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2017. http://www.nusl.cz/ntk/nusl-317006.

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Elamin, Mohamed. "PERFORMANCE ANALYSIS OF SOFTWARE DEFINED NETWORKCONCEPTS IN NETWORKED EMBEDDED SYSTEMS." University of Akron / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=akron1497708739639971.

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Calabrigo, Adam Chase. "SD-MCAN: A Software-Defined Solution for IP Mobility in Campus Area Networks." DigitalCommons@CalPoly, 2017. https://digitalcommons.calpoly.edu/theses/1797.

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Campus Area Networks (CANs) are a subset of enterprise networks, comprised of a network core connecting multiple Local Area Networks (LANs) across a college campus. Traditionally, hosts connect to the CAN via a single point of attachment; however, the past decade has seen the employment of mobile computing rise dramatically. Mobile devices must obtain new Internet Protocol (IP) addresses at each LAN as they migrate, wasting address space and disrupting host services. To prevent these issues, modern CANs should support IP mobility: allowing devices to keep a single IP address as they migrate be

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Schiavi, Daniele. "Software Defined Networks: analisi dell’interazione fra nodi di rete e Controller." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amslaurea.unibo.it/14015/.

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L'obiettivo di questa tesi è verificare il comportamento e le interazioni tra uno switch e più controller, al variare del ruolo assunto da questi ultimi, in una rete virtuale SDN con protocollo OpenFlow. Nella tesi sono presenti tre capitoli, i primi due sono puramente teorici mentre il terzo descrive i test che sono stati effettuati. I primi due capitoli introducono e descrivono gli elementi principali di SDN ed OpenFlow, in particolare viene presentata l'architettura multi controller che è il tema fondamentale di questa tesi. Il terzo capitolo è il fulcro della tesi, descrive la topologia ed

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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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Gruesen, Michael G. "Towards an Ideal Execution Environment for Programmable Network Switches." University of Akron / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=akron1468834070.

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Niyaz, Quamar. "Design and Implementation of a Deep Learning based Intrusion Detection System in Software-Defined Networking Environment." University of Toledo / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1501785493311223.

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Schmidt, Robert. "Slicing in heterogeneous software-defined radio access networks." Electronic Thesis or Diss., Sorbonne université, 2021. http://www.theses.fr/2021SORUS525.

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Les réseaux 5G sont envisagés comme un changement de paradigme vers des réseaux orientés services. Dans cette thèse, nous étudions comment combiner efficacement le découpage en tranches et le SD-RAN afin de fournir le niveau requis de flexibilité et de programmabilité dans l'infrastructure RAN pour réaliser des réseaux multi-locataires orientés services. Premièrement, nous concevons une abstraction d'une station de base pour représenter les stations de base logiques et décrire un service de réseau virtualisé. Deuxièmement, nous proposons une nouvelle plateforme SD-RAN conforme aux normes, appe

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