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 27 for “"Network Utilization"”.
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Studies of Dynamic Bandwidth Allocation for Real-Time VBR Video Applications
… a large portion of traffic in future integrated networks. This real-time video traffic has strict delay and loss requirements, and exhibits burstiness over multiple time scales, thus imposing a challenge on network resource allocation and management. The renegotiated VBR (R-VBR) scheme, …
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Event-triggering architectures for adaptive control of uncertain dynamical systems
… presented for the design and implementation of networked adaptive control systems to reduce the wireless network utilization while guaranteeing system stability in the presence of system uncertainties. Specifically, the design and analysis of state feedback adaptive control systems over wireless …
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Efficient Design and Management of Reliable Optical Networks
… it is important to be able to optimize the network using soft solutions to achieve better performance. A few important aspects of network reliability and failure management are studied in this thesis. First, a study on the impact of multiple failures and techniques for addressing such …
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Modeling and Simulation of a Video-on-Demand Network Implementing Adaptive Source-Level Control and Relative Rate Marking Flow Control for the Available Bit Rate Service
… the video source will accept feedback from the network and adapt its source rate based on this status information. The objective of this research is to assess the ability of the ATM ABR service class to deliver Moving Picture Experts Group version 1 (MPEG-1) video. Three approaches to …
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Bridging the Gap Between Real-time Video and Backlogged Traffic Congestion Control
… and high-quality video delivery in the face of network fluctuation and resource constraints is critical. However, video congestion control algorithms have been criticized for their sub-optimal performance in managing network congestion and maintaining satisfactory video quality and latency. At …
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Scaling RDMA RPCs with FLOCK
RDMA-capable networks are gaining traction with datacenter deployments due to their high throughput, low latency, CPU efficiency, and advanced features, such as remote memory operations. However, efficiently utilizing RDMA capability in a common setting of high fan-in, fan-out asymmetric network …
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Performance Modelling and Analysis of Handover and Call Admission Control Algorithm for Next Generation Wireless Networks
… It integrates existing heterogeneous access networks, as well as future networks, and will offer high speed data, real-time applications (e.g. Voice over IP, videoconference ) and real-time multimedia (e.g. real-time audio and video) support with a certain Quality of Service (QoS) level to …
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Energy efficient core optical IP networks
… greener and more energy efficient environments. Network infrastructures are required which support these growing needs but at the same time remain zero-carbon emission complaint. Green photonic network designs centre on techniques to reduce and conserve energy within multilayer network scenarios. …
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Energy Proportional Future Chip-to-chip Computing Interconnect Designs
… evaluate the design trade-offs and rules for the network utilization methods are theoretically derived while the energy-delay products are investigated under various launch conditions. Then, we offer 'RENU,' a unique on-board optical interconnect control technique assessed with wavelength and …
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Alternate path routing algorithm for traffic engineering in the Internet
… as the traffic. This leads to congestion in the network and performance degradation. One way to avoid this problem is to use efficient routing algorithm that efficiently maps the flow of data onto the network; The most often used routing algorithm in the internet is the shortest path algorithm …
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Software defined transport
… the flow sending rates based on current network conditions and the network operator's goals. This dissertation shows that this architecture provides both high flexibility, by allowing the operator to implement new transport policies as needed, and fine-grained flow control, by optimizing …
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A fundamental approach for providing service-level guarantees for wide-area networks
… key challenge is striking a good balance between network utilization and availability, as these are inherently at odds; a highly utilized network might not be able to withstand unexpected traffic shifts resulting from link/node failures. I motivate this problem using real data from a large service …
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Content-aware resource scheduling for commercial and personal clouds
… That leads to significant savings in data center network utilization and congestion, by lowering the amount of data transfer associated with deployment of VMs. Second, we present a personal cloud storage service for mobile devices. Much as there is content similarity between VM disk images that …
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Distribution network use-of-system charges under high penetration of distributed energy resources
… of centralized generation and passive load to a network of increasingly decentralized generation and diverse system users. Price signals will play a crucial role in shaping the interactions between the physical components and users of the electric power system. Distribution network use-of-system …
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Fairness in Communication and Computer Network Design
In communication networks, fair sharing of resources is an important issue for one main reason. The growth of network capacity is in general not matching the rapid growth of traffic. Consequently, the resources consumed by each user have to be limited. This implies that users cannot always be …
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Load balancing in heterogeneous wireless communications networks. Optimized load aware vertical handovers in satellite-terrestrial hybrid networks incorporating IEEE 802.21 media independent handover and cognitive algorithms.
Heterogeneous wireless networking technologies such as satellite, UMTS, WiMax and WLAN are being used to provide network access for both voice and data services. In big cities, the densely populated areas like town centres, shopping centres and train stations may have coverage of multiple wireless …
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Optimization of FFT communication on 3-D torus and mesh supercomputer networks
… of supercomputers that employ 3-D torus and mesh networks. Given the divide-and-conquer approach of the popular Cooley-Tukey approach, a parallel FFT can use a highly optimized serial algorithm for intra-node calculations, but the communication patterns between nodes reveal a potential for …
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Multi-organizational project teams and construction innovation : the role of general contractor and construction manager
… of a new decentralized economy based on globally networked teams. This dispersed "market-oriented" structure is a new reality for many current industrial organizations who must transform from fully-integrated, centralized organizations into loose networks of suppliers and sellers utilizing …
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Gender differences in returns to academic collaboration
… finding that both gender differences in academic networks and mobility contribute to gender differences in research output. More specifically, the research reveals that alterations in academic networks have a notable impact on authors’ productivity, resulting in an average 12.6% decrease in …
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A Distributed Open Environment for Real-Time Applications
… support at the end-hosts as well as within the network. In a distributed system where a hybrid set of applications (i.e. hard, soft, and non real-time applications) may run concurrently in a cluster of processors connected together by a local area network, ""temporal isolation"" becomes a highly …
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