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.
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Showing 1 to 12 of 12 for “"time protocol"”.
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Měřicí jednotka se synchronizací protokolem PTP
… a především se zaměřuje na využití Precision Time Protocol (PTP). Práce popisuje klíčové vlastnosti a možnosti implementace tohoto protokolu, a zároveň se věnuje zařízením, která jsou s PTP kompatibilní. Detailně je rozebrán návrh firmwaru pro použití PTP protokolu na vývojové desce Cora Z7. …
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Time keeping in myriad networks : theories, solutions and applications
… sensor networks make extensive use of a common time reference. In this work we address the problem of time dissemination in a packet switched network when the nodes are NOT generally all connected to an accurate, external time reference source. We thoroughly analyze Network Time Protocol - …
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HE-MT6D: A Network Security Processor with Hardware Engine for Moving Target IPv6 Defense (MT6D) over 1 Gbps IEEE 802.3 Ethernet
… attackers the incredible advantage of taking time to plan and execute attacks against a network. To counter, Moving Target IPv6 Defense (MT6D) provides a network host obfuscation technique that dynamically obscures network and transport layer addresses. Software driven implementations have …
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A multimedia collaborative workspace system using the object-oriented design approach
… activities. The recent advances of the multimedia technology along with the availability of the high-speed, high-bandwidth network, such as ATM network, make it possible to develop and deploy the distributed collaborative workspace systems which use the multimedia informations. We call the …
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DepMap: Dependency Mapping of Applications Using Operating System Events
… a functional perspective can give rise to runtime issues. Critical issues arising out of this model include resource utilization (sizing, capacity testing, resource monitoring) and dependency management (identifying and monitoring dependencies between components and potential for impact to an …
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Latency-driven performance in data centres
… hosts. Firstly, I show how to use the Precision Time Protocol (PTP), through an open-source software implementation PTPd, to measure network latency and packet loss in data centres. I propose PTPmesh, which uses PTPd, as a cloud network monitoring tool for tenants. Furthermore, I conduct a …
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Synchronized Rotor Angle Measurement of Synchronous Machines
A key input parameter to governor feedback control and stability protection of generators is the angle of the induced voltage internal to the generator. Current practice is to estimate this value using measurements from the terminals of the generator and mathematical models. This project aims to …
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Building Trustworthy Artificial Intelligence of Things Systems in Adversarial Environments
… network attacks against the critical IoT network protocols and propose defense mechanisms to enhance the IoT infrastructure. In Chapter 2, we propose a novel network timing attack that desynchronizes and disables the chosen victim nodes in the IoT networks. Our attack compromises the precision …
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A High-Availability Architecture for the Dynamic Domain Name System
… a mapping between host names and Internet Protocol (IP) addresses. Hosts that are configured using the Dynamic Host Configuration Protocol (DHCP) can have their assigned IP addresses updated in a Dynamic DNS (DDNS). DNS and DDNS are critical components of the Internet. Most applications use …
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Bezdrátová komunikace v oblasti požárního sportu
Tato práce se zabývá návrhem bezdrátové časomíry pro disciplíny požárního sportu. Cílem je nahradit dlouhé kabelové rozvody bezdrátovými spoji při zachování srovnatelné, nebo lepší spolehlivosti. S tím souvisí potřeba synchronizovat hodiny mezi jednotlivými bezdrátovými moduly. Důležitou částí …
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Resource Allocation Schemes And Performance Evaluation Models For Wavelength Division Multiplexed Optical Networks
… bandwidth, reduce processing cost, achieve protocol transparency, and enable efficient failure handling. This dissertation addresses the important issues of improving the performance and enhancing the reliability of WDM networks as well as modeling and evaluating the performance of these …
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Design & Implementation of a Universal Communications Processor for Substation Integration, Automation and Protection
… mapped to a specific concrete application layer protocol such as the Manufacturing Message Specification (MMS) or ISO/IEC 8802-3, which are the two communication services put forward by the IEC 61850 standard. The primary objective of this research is the OO implementation of the IEC 61850 …