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.
Results
Showing 1 to 20 of 24 for “"Software-defined Network"”.
-
Securing Software-Defined Network Enabled Enterprises Against Insider Threats
… thesis, considering the recent 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 …
-
Mitigation of Different Network Attacks and Optimization in Software Defined Network
… in internet usage. There are several types of network attacks including volumetric and non-volumetric attacks.In a volumetric attack, the target resource is taken down with a huge amount of traffic. Distributed denial-of-service (DDoS) and transit-link DDoS are examples of these types of …
-
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 …
-
Design and Analysis of Anomaly Detection and Mitigation Schemes for Distributed Denial of Service Attacks in Software Defined Network. An Investigation into the Security Vulnerabilities of Software Defined Network and the Design of Efficient Detection and Mitigation Techniques for DDoS Attack using Machine Learning Techniques
Software Defined Networks (SDN) has created great potential and hope to overcome the need for secure, reliable and well managed next generation networks to drive effective service delivery on the go and meet the demand for high data rate and seamless connectivity expected by users. Thus, it is a …
-
Spectral graph theory analysis of software-defined networks to improve performance and security
Software-defined networks are revolutionizing networking by providing unprecedented visibility into and control over data communication networks. The focus of this work is to develop a method to extract network features, develop a closed-loop control framework for a software-defined network, and …
-
SDNoC 42: modelo de SDNoC baseada em otimização de caminhos mínimos
In this work, we developed a new network-on-chip architecture using softwaredefined networks; this architecture proved to be robust and capable of improving routing in a network-on-chip. The implementation consists of a software-defined network-on-chip architectural model, exploring the parallelism …
-
Novel Infrastructure Quantification for Utility of Virtualized Network Debugging using OpenFlow as Visualization of Packets and Software Defined Networking
Network debugging is time and resource consuming due to limited access and monitoring mechanisms. Such mechanisms may involve polling and/or active notification methods, where a failed network device may obscure the flow of poll responses in the network. We developed a network debugging mechanism …
-
Efficient orchestration of data centers via comprehensive and application-aware trade-off exploration
Software-defined network (SDN) orchestration, the problem of integrating and deploying multiple network control functions (NCFs) while minimizing suboptimal network states that can result from competing NCF proposals, is a challenging open problem. In this work, we formulate SDN orchestration as a …
-
Reliable and secure information and communications systems for electrical utilities
… To make this approach more scalable, an OpenFlow Software-Defined Network (SDN) may be used. Vulnerabilities in this approach are identified and the attack surface minimised. Configuration and change as a vector for vulnerability is mitigated by automating provisioning, based on IEC 61850 data …
-
SDN based security using cognitive algorithm against DDOS
… rapidly, which has caused a boom in smart and networking device manufacturing. With new trends, operators are constantly battling towards deploying multiple systems to cater for the need of all users. The higher bandwidth utilization and flexibility demanded new networking solutions which paved …
-
Software Defined Intelligent Networks for Fairness and Quality of Experience Prediction and Evaluation
… number of media applications competing for network resources results in a significant impact on network efficiency and the QoE. In a multi-user multi-device environment, measuring and maintaining perceivable user feedback and fairness becomes as critical as achieving the QoE on individual …
-
Monitoring and verifying network behavior using data-plane state
Modern computer networks are complex, incorporating hundreds or thousands of network devices from multiple vendors performing diverse functions such as routing, switching, and access control across physical and virtual networks (VPNs and VLANs). As in any complex computer system, these networks are …
-
Toward Open and Programmable Wireless Network Edge
… connecting users to their enterprise and home networks is wireless. Wireless is becoming ubiquitous not only in homes and enterprises but in public venues such as coffee shops, hospitals, and airports. However, most of the publicly and privately available wireless networks are proprietary and …
-
Novel Overload Reduction Framework for Intrusion Detection System in Software-Defined Networks
… thesis aims to produce novel techniques for a Software-Defined Network (SDN) to reduce the networks’ overload when applying an Intrusion Detection System (IDS). IDSs are receiving growing attention due to the users’ daily usage of the internet and cloud storage expansion. The IDS applications …
-
Software-Defined Mobility Management and Base Station Control for Green Cellular Networks
… as smartphones and tablets and success of social networking services. Evolving cellular networks include emerging technologies such as Software-Defined Network (SDN) and Network Function Virtualization (NFV). SDN is an emerging network architecture that allows dynamic and flexible network …
-
Towards Data Optimization in Storages and Networks
… latency, manageability, and processing and network bandwidth. However, large portions of the huge data volume contain massive redundancies that are created by users, applications, systems, and communication models. Deduplication is a technique to reduce data volume by removing redundancies. …
-
High Availability and Scalability Schemes for Software- Defined Networks (SDN)
A proliferation of network-enabled devices and network-intensive applications require the underlying networks not only to be agile despite of complex and heterogeneous environments, but also to be highly available and scalable in order to guarantee service integrity and continuity. The …
-
Optimal Control for Wireless Software Defined Networks: Theory and Implementation
Wireless Software Defined Network (SDN) has emerged as a new programmable network paradigm that facilitates flexibility in robust control and management. Toward the production-level network deployment at scale, there has been a surge of interest in distributed architectures of wireless SDN. Despite …
-
IMPROVING PERFORMANCE OF INTRUSION DETECTION SYSTEMS FOR SOFTWARE-DEFINED NETWORKS
The proliferation of Software-Defined Networks (SDNs) has revolutionized network management by decoupling the control and data planes, thereby introducing unparalleled flexibility and programmability. However, this architectural shift also exposes SDNs to a wide range of security threats, making …
-
FlexStream: SDN-Based Framework for Programmable and Flexible Adaptive Video Streaming
… traffic fueled by smartphones, tablets, 4G LTE networks, and other mobile devices and technologies, providing satisfactory services to end users in terms of playback quality and a fair share of network resources become challenging. As a result, an HTTP video streaming protocol was invented and …
Page 1 of 2