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 25 for “"Network Measurement"”.
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Wireless Network Measurement: VoIP and 802.11e.
802.11 wireless networks are a convenient way to provide ‘last-hop’ network connections in many environments. However the distributed nature of their operation poses problems in providing quality of service guarantees, which are vital for providing interactive services such as Voice over IP. In …
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A Network Measurement Tool for Handheld Devices
This thesis describes a performance measurement tool that allows a user to measure network performance using a handheld device. The measurement tool consists of a client program that runs on a Microsoft Pocket PC device and a server program that runs on a regular Microsoft Windows computer. Both …
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Weak Identification and Network Measurement Error in Peer Effects Estimation
The growing availability of social network data has enabled a surge of research on social interactions. In particular, peer effects, once considered unidentifiable, have now been shown to be identified given knowledge of the network structure. Despite this positive result, questions remain about …
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Proactive methods for measurement of available bandwidth and link capacity
With the continuous expansion of network infrastructure and deployment of applications sensitive to Quality-of-Service, network measurement plays a major role in both network planning and management. Accurate measurement of various network parameters, e.g., available bandwidth, link capacity, …
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A Behavior-based Approach Towards Statistics-Preserving Network Trace Anonymization
In modern network measurement research, there exists a clear and demonstrable need for open sharing of large-scale network traffic datasets between organizations. Beyond network measurement, many security-related fields, such as those focused on detecting new exploits or worm outbreaks, stand to …
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High precision timing in passive measurements of data networks
Understanding, predicting, and improving network behaviour under a wide range of conditions requires accurate models of protocols, network devices, and link properties. Accurate models of the component parts comprising complex networks allows the plausible simulation of networks in other …
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NIRA : a new Internet routing architecture
… a sequence of providers a packet traverses. Network measurement, simulation, and analytic modeling are used in combination to evaluate the design of NIRA. The evaluation suggests that NIRA is scalable.
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Mechanisms for quality-of-service provisioning in networks with extended services
The emerging network traffic with various Quality-of-Service (QoS) requirements creates a demand for QoS service provisioning beyond the best effort service that Internet currently provides. QoS provisioning requires a framework that satisfies users' QoS and cost demand while maximizes benefits for …
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Investigating optimal internet data collection in low resource networks
Community networks have been proposed by many networking experts and researchers as a way to bridge the connectivity gaps in rural and remote areas of the world. Many community networks are built with low-capacity computing devices and low-capacity links. Such community networks are examples of low …
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Characterization and performance analysis of a cognitive routing scheme for a metropolitan-area sensor network
… the notion of cognitive methods for routing in a network, and the resulting potential for improvements in network performance. In cognitive routing, individual network nodes gain information about the state of the network in a distributed fashion, by measuring observable data such as packet …
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Monitoring, analysing and predicting network performance in grids
… heritage has been the perception that required network resources are taken for granted. This is precarious, considering that most grids rely on public IP networks, like the Internet, as the underlying network. This assumption has obstructed the path of grid computing. This thesis aims to improve …
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PktWrap: Migrating experiments to PacketLab without recompilation
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2024-12-01
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Safeguarding the National Broadband Map: Detecting Strategic Misreporting and Auditing Broadband Deployment via a Risk-Based Monitoring System
… Numbers (ASNs), enabling the attribution of network measurements to specific provider claims. Using four independent matching techniques based on registration data, we successfully map 72% of providers presented in the NBM to ASNs, creating the observability infrastructure necessary for …
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PacketLab - An internet measurement framework for low-cost vantage point sharing
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2027-05-01
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Coverage problems in mobile sensing
Sensor-networks can today measure physical phenomena at spatial and temporal scales that were not achievable earlier, and have shown promise in monitoring the environment, structures, agricultural fields and so on. A key challenge in sensor-networks is the coordination of four actions across the …
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Measuring and Understanding TTL Violations in DNS Resolvers
… efficient caching, load distribution, and network security in Domain Name System. Setting appropriate TTL values is a key aspect of DNS administration to ensure the reliable and efficient functioning of the Domain Name System. Therefore, it is crucial to measure how TTL violations occur in …
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Network Security Monitoring and Analysis based on Big Data Technologies
Network flow data provide valuable information to understand the network state and to be aware of the network security threats. However, processing the large amount of data collected from the network and providing real time information remain as big challenges. Big data technologies provide new …
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Application of overlay techniques to network monitoring
Measurement and monitoring are important for correct and efficient operation of a network, since these activities provide reliable information and accurate analysis for characterizing and troubleshooting a network’s performance. The focus of network measurement is to measure the volume and types of …
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Measuring Ethereum's peer-to-peer network
… in value, we still have very limited Ethereum network visibility. In this thesis, we analyze the Ethereum network from two vantage points: the DEVp2p network and the Ethereum Mainnet. The DEVp2p peer-to- peer (P2P) network was developed specifically for and ultimately underlies the Ethereum …
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Advanced Network Inference Techniques Based on Network Protocol Stack Information Leaks
… explicit channels. This thesis focuses on network side channels, where information flow occurs in the TCP/IP network stack implementations of operating systems. I will describe three new types of idle scans: a SYN backlog idle scan, a RST rate-limit idle scan, and a hybrid idle scan. Idle …
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