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 53 for “"Data-centre"”.
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Optimising data centre operation by removing the transport bottleneck
Data centres lie at the heart of almost every service on the Internet. Data centres are used to provide search results, to power social media, to store and index email, to host “cloud” applications, for online retail and to provide a myriad of other web services. Consequently the more efficient …
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Public sector data centre consolidation (PSEDCC): Enhancing the management of information communication technology infrastructure in Namibia
… challenges faced by the Namibian Public Sector Data Centres. In addition, the above challenges had led many organizations to rationalize the way they design and manage their ICT infrastructure resources. In this study, the above challenges have led to the introduction of Public Sector Data …
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Efficient access network selection and data demand prediction for 5G systems
… surge in the demand for mobile broadband data. Also, the recent popularity of bandwidth intensive applications such as Netflix and YouTube has contributed to this demand for the wireless resources. In order to cope with this massive demand, fifth generation (5G) of wireless network is on …
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Latency-driven performance in data centres
Data centre based cloud computing has revolutionised the way businesses use computing infrastructure. Instead of building their own data centres, companies rent computing resources and deploy their applications on cloud hardware. Providing customers with well-defined application performance …
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Immersion cooled environmental monitoring and prediction system for the meerKAT imager
… method used to reduce power consumption in a data centre. This study involves a case study of the MeerKAT Science Processor that is responsible for the MeerKAT imaging pipeline. Immersion cooling brings a coolant into direct physical contact with the chips and the circuit board by directly …
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Energy Adaptive Infrastructure for Sustainable Cloud Data Centres
… and pollution. Among those ICT equipments, data centres play obviously a major role with the rise of the Cloud computing paradigm. In the recent years, researchers have focused on reducing the energy consumption of data centres. Furthermore, future environmentally friendly data centres are …
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Flexible and efficient computation in large data centres
… online computer applications rely on large-scale data analyses to offer personalised and improved products. These large-scale analyses are performed on distributed data processing execution engines that run on thousands of networked machines housed within an individual data centre. These execution …
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Operating system support for warehouse-scale computing
… are increasingly backed by large-scale data centres. Systems software in these data centre environments, however, faces substantial challenges: the lack of uniform resource abstractions makes sharing and resource management inefficient, infrastructure software lacks end-to-end access …
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Enabling Network Stability in a Scalable Software-Defined Data Center Network
In the recent past, Data Centre Network (DCN) has received a lot of research attention because of the indispensable role that DCNs play in modern-day network communication as; the data storage container for on-demand service provisioning. One of the major responsibilities of the DCN is the …
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Micro Hydroelectric Reservoir Use for creating and Uninterrupted Power Supply; Production case Studies in Iceland
… aquaponics farming systems, and a 1 to 2 rack data centre for personal use. These were found to be heavily reliant on the reservoir to meet key power shortages across the yearly generation period.
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SDN based security solutions for multi-tenancy NFV
… changed traffic patterns within the enterprise data centres. Therefore, advanced technologies are needed to improve traditional network deployments to enable them to handle the changing network patterns. Software defined networks (SDN) and network function virtualisation (NFV) are innovative …
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Operating system directed power management
… from servers, where energy costs dominate data centre expenses and carbon footprints, to embedded systems, where the system's battery life limits the device's functionality. In their efforts to reduce the energy use of these system's hardware manufacturers have implemented features which …
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Distributed data management for large scale applications
Improvements in data storage and network technologies, the emergence of new highresolution scientific instruments, the widespread use of the Internet and the World Wide Web and even globalisation have contributed to the emergence of new large scale dataintensive applications. <br/><br/>These …
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Effective incorporation of FPGA based processing in server architectures
With ever increasing data volumes and computing complexities, power-efficient alternatives, particularly Field Programmable Gate Arrays (FPGAs), need to be explored for industrial-scale data centres. Whilst FPGA device sizes have increased and associated design tools have matured, there are still …
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Investigating kidney disease clinical epidemiology using routinely collected administrative data and proteomics
Data collected routinely during healthcare visits and additional biospecimens collected as part of cohort study activities are invaluable to better understand kidney disease epidemiology. This thesis explores the detection and characterization of acute kidney injury (AKI), chronic kidney disease …
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Multi-layer, Low-crosstalk Integrated Optical Switches
The rapid growth of cloud computing and data-intensive applications necessitates optical switching technologies with ultra-low crosstalk, high bandwidth, and nanosecond-scale reconfigurability. This work presents a comprehensive study of 3D Si-SiN-SiN tri-layer optical switches employing …
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BUILDING TRUST IN CLOUD COMPUTING -ISOLATION IN CONTAINER BASED VIRTUALISATION
… a prototype that could represent a real world data centre is implemented by using container-based virtualisation. TAIC allows each user in the system can perform particular actions within the container. Each user should have permission to do specific tasks within the containers. Only authorised …
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Energy Efficiency in Office Computing Environments
… technology. Whilst research has focused on data centres recently, this thesis identifies office computing environments as significant consumers of energy. Office computing environments offer great potential for energy savings: On one hand, such environments consist of a large number of …
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Environmental exposures and cardiovascular morbidity in Scotland: a study of the effects of air pollution on health
… As this study makes use of readily available data, the second aim is to determine whether or not such data can be used to accurately estimate the effects of air pollution. Chapter 1 provides a detailed discussion of air pollution, focussing on the history of air pollution and the change in …
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