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 89 for “"Network bandwidth"”.
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DECENTRALIZED NETWORK BANDWIDTH PREDICTION AND NODE SEARCH
… to effectively manage and exploit end-to-end network bandwidth information from hosts on wide-area networks. Inspired by the finding that Internet bandwidth can be represented approximately in a tree metric space, we focus on three specific research problems. First, we have designed a …
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Application Adaptive Bandwidth Management Using Real-Time Network Monitoring.
<p>Application adaptive bandwidth management is a strategy for ensuring secure and reliable network operation in the presence of undesirable applications competing for a network’s crucial bandwidth, covert channels of communication via non-standard traffic on well-known ports, and coordinated …
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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. …
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Characterizing Web Response Time
… time and examine the effects of proxy caching, network bandwidth, traffic load, persistent connections for a page, and periodicity. Based on studies with four workloads, we show that at least a quarter of the total elapsed time is spent on establishing TCP connections with HTTP/1.0. The …
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Qos-Aware Service Management for Internet-Scale Distributed Applications
… we explore resource sharing, both in network bandwidth and computational resources, by proposing a special type of multicasting---service-added multicasting. Resource sharing is further maximized as we integrate traditional data multicasting into service multicasting. We call the …
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Local URL Resolution Protocol
… architecture is problematic since available network bandwidth is limited. The Local URL Resolution Protocol(LURP) addresses this problem for environments where there are high node densities. LURP implements a locality aware Peer-to-Peer file distribution model to increase the speed of file …
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Measuring and tuning energy efficiency on large scale high performance computing platforms
… power use and the effects of tuning both CPU and network bandwidth. Modifications were made at the operating system level to deterministically halt cores when idle. Additionally, capabilities to alter operating P-state were added. At the application level, an understanding of the power …
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A semi-blocking checkpoint protocol to minimize checkpoint overhead
… method takes advantage of the relatively high network bandwidth compared to I/O bandwidth. It is able to store a checkpoint faster than the traditional NFS- based checkpoint/restart. However, as the core counts on each node keep increasing, the large checkpoint size of a node will quickly …
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Fast methods for scheduling with applications to real-time systems and large-scale, robotic manufacturing of aerospace structures
… constraints can be decoupled or when low network bandwidth makes inter-agent communication difficult. However, the advantages of these methods are mitigated in the factory setting where the temporospatial constraints are tightly inter-coupled from the humans and robots working in close …
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The Role of Intelligent Mobile Agents in Network Management and Routing
… mobile agents to the management of distributed network environments is investigated. Intelligent mobile agents are programs which can move about network systems in a deterministic manner in carrying their execution state. These agents can be considered an application of distributed artificial …
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Supporting Quality of Service in Distributed Virtual Environments
… assignments are calculated offline and a neural network is trained with the knowledge of optimal solutions from the offline Operations Research Techniques and it is then used to deliver near-optimal resource allocation decisions in real-time. We also present a case study of network bandwidth …
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Network architecture for large-scale distributed virtual environments
… world. Early DVEs has been used over local area networks (LANs). Recently with the Internet's development into the most common embedding for DVEs these distributed applications have been moved towards an exploiting IP networks. This has brought the scalability challenges into the DVEs evolution. …
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A Software Framework for Advanced Power System Analysis: Case Studies in Networks, Distributed Generation, and Distributed Computation
… intensive power system calculations on multiple, networked computers. Distributed power flow algorithms are presented. Tests on Ethernet LANs show the feasibility of distributed computation under current computer network bandwidth.
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Analysis of M-JPEG video over an ATM network
With the emergence of a network-centric philosophy of military operations, the behavior of video applications over resource-constrained information networks is of increasing interest in the development of future naval information systems. This thesis analyzes the impact of compression, delay …
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Sinew : a system for improving the efficiency of wireless networks
Wireless data networks are widespread and growing quickly. As their use increases, many wireless networks are becoming congested. In addition, as wireless data capability moves into ever-smaller devices, power becomes a significant issue. This thesis presents a system that increases network …
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Security Incidents in an Academic Setting: A Case Study.
<p>Academic institutes' networks, like commercial networks, have confidential and valuable information that attracts hackers. From 6 October 2000 to 29 March 2001, the authors collected data on possible attacks and probes against East Tennessee State University's campus network. The number of …
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Applying network coding to TCP
… of a new TCP-like protocol, CTCP, that uses network coding to provide better network use of the network bandwidth in a wireless environment. CTCP provides the same guarantees as TCP whilst providing significant enhancements to previous TCP implementations, such as permitting multipath packet …
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Real-time multimedia-based education through the Internet
… content introduces unacceptable delays as network bandwidth is limited. In this thesis, the issue of Internet bandwidth is minimized and a novel system is developed for distance education using multimedia course material over the Internet. The data rich multimedia materials reside at remote …
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DYNAMIC ADAPTATION OF BANDWIDTH GRANULARITY FOR MULTIPATH ROUTING IN ELASTIC OPTICAL OFDM-BASED NETWORKS
… on the efficiency of the elastic optical networks. O-OFDM multicarrier transmission is a promising technique that makes it possible to choose just an adequate portion of available spectrum to satisfy the requested capacity. This involves focusing on the work to reduce the fragmentation …
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Content Distribution in Overlay Multicast
… overlay-based solution at saving server load and network bandwidth consumption compared to the ideal IP-multicast-based solutions. Second, regarding the high throughput challenge, using multi-commodity flow theory, we establish the theoretical foundation for multi-tree overlay multicast. Based on …
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