Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 27 for “"SDN Controller"”.
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Impact of network security on SDN controller performance
… Software Defined Networking architecture, the SDN controller becomes a key network point that is susceptible to internal and external attacks from hackers and many forms of network breaches. It being the heart of the SDN network makes it a single point of failure and it is crucial that the …
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Towards the development of an optimal SDN controller placement framework to expedite SDN deployment in emerging markets
… infrastructure. Software Defined Networking (SDN) has emerged as a promising solution to revolutionize network deployment, operations and economic growth. This paradigm aims to address management and configuration complexities in legacy networks so as to reduce the total cost associated with …
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Solving the Software Defined Network Controller Placement Problem Using Complex Network Analysis
Software Defined Network (SDN) is a new architectural design for networking that is constructed based on decoupling the control plane from the data plane in networking devices and providing programmatic interface for the control plane. The introduction of SDN has raised many new networking …
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Securing Software-Defined Network Enabled Enterprises Against Insider Threats
… paradigm shift to Software-Defined Networks (SDNs) and its compelling enterprise benefits, we devise three novel solutions to protect an organization against insiders with access to the network infrastructure. Our first solution is an SDN controller-agnostic Intrusion Prevention System (IPS) …
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Enhancing DNS data exfiltration protection through SDN data plane programming
… the advantages of software-defined networking (SDN) and data plane programming are identified and leveraged to detect DNS-based data exfiltration attacks, including DNS-over-HTTPS. A DNS traffic analysis tool has been created for the SDN controller utilising its logically centralised network …
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Software defined distributed cable networks: design and use cases
… In the meantime, Software Defined Networking (SDN) technology evolved as a novel networking paradigm that facilitates designing dynamic, cost-effective, agile, centrally manageable, and programmable network architectures. SDN segregates the data layer and control layer to enable the deployment …
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Policy-based network management with end-to-end QoS solution in software defined networking
… added flexibility. Alongside, the new concept of SDN-based network has offered potentially diverse benefits compared to the classical networks. Examples of the primary advantages include the centralized network provisioning and the network programmability. Therefore, Software Defined Network (SDN) …
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Development of scalable hybrid switching-based software-defined networking using reinforcement learning
… innovations is Software Defined Networking (SDN), which refers to the disintegration of the infrastructure layer and the logically centralized control layer. SDN is a cutting-edge networking approach that provides network agility, programming flexibility, and enhanced network performance over …
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Development of scalable hybrid switching-based software-defined networking using reinforcement learning
… innovations is Software Defined Networking (SDN), which refers to the disintegration of the infrastructure layer and the logically centralized control layer. SDN is a cutting-edge networking approach that provides network agility, programming flexibility, and enhanced network performance over …
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Developing Intelligent Routing Algorithm over SDN: Reusable Reinforcement Learning Approach
… reusable RL routing algorithm, RLSR-Routing over SDN. During the learning process, our algorithm ensures loop-free path exploration. While finding the path for one traffic demand (a source destination pair with certain amount of traffic), RLSR-Routing learns the overall network QoS status, which …
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Enhancing network robustness using software-defined networking
… dropping malicious flows, etc. However, as SDN is rapidly proceeding from vision to reality, the SDN architecture itself might be exposed to some robustness threats. Especially, the SDN control plane is tremendously attractive to attackers, since it is the "brain" of entire networks. Thus, …
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Inter-flow consistency: novel SDN update abstraction for supporting inter-flow constraints
Software Defined Networks (SDN) are opening a new era in the world of networking by decoupling the data plane and control plane. With the centralized control plane, updating the networks become much more convenient to the network operators. However, due to the distributed nature of the data plane, …
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Dynamic probabilistic network protection in large-scale failure scenarios
… been examined in software defined networking (SDN), which is one of the emerging technologies in communication networks. We studied the performance of a SDN controller instructed with a considerable amount of data flow updates and the best method of applying preventive rerouting is indicated.
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Evaluation of Multiple Controller Software Defined Networks
… demand for moving from traditional networks to SDNs has given rise to many challenges. Software-defined Networks are continuously advancing, which demands the need to solve the issues of scalability, transmission delays, and packet loss. The larger the network, more the delay as with the …
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SDN-Enabled Data Offloading and Load Balancing In WLAN and Cellular Networks
… have emerged as networking has progressed. SDN (Software Defined Networking) is a significant networking technology that represents a new paradigm. SDN distinguishes between the data and control planes and allows software-controlled networking for a wide range of applications. Cellular …
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Techniques for improving the scalability of data center networks
… Along the control plane, the centralized controller for software-defined networks presents new scalability challenges. The logically centralized controller needs to scale according to network demands. Also, since all services are implemented in the centralized controller, it should allow …
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Toward Open and Programmable Wireless Network Edge
… wireless network. The Software Defined Network (SDN) framework has emerged as a popular solution for the data center network. However, the promise of the SDN framework is to make the network open, flexible and programmable. In order to deliver on the promise, SDN must work for all users and …
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Software defined networking for radio telescopes: a case study on the applicability of SDN for MeerKAT
… study evaluates Software Defined Networking (SDN) for use in the MeerKAT radio telescope to alleviate the management complexity and allow for a vendor-neutral implementation. The purpose of this dissertation is to verify that an SDN multicast network can produce suitable paths for data flow …
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Auto-bandwidth control in dynamically reconfigured hybrid-SDN MPLS networks
… enhanced with Software-defined Networking (SDN) features is implemented. The technology known as hybrid SDN combines the programmability features of SDN with the robust MPLS label switched path features along with traffic engineering enhancements introduced by routing protocols such as …
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Building a reliable and secure management framework for software-defined networks
The Software-Defined Networking (SDN) technologies promise to enhance the performance and cost of managing both wired and wireless network infrastructures, functions, controls, and services (i.e., Internet of Things). However, centralized management in softwarization architecture poses new …
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