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 20 of 40 for “"Network monitoring"”.
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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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Application Adaptive Bandwidth Management Using Real-Time Network Monitoring.
… 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 Denial of Service attacks. The study undertaken …
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Sketch-based In-Network Monitoring of Data Centers and Programmable Networks
L'abstract è presente nell'allegato / the abstract is in the attachment
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Scalable online estimation with performance guarantees: Application to traffic network monitoring
… in cyber-physical systems, especially in traffic monitoring applications. While model-based traffic estimation has achieved great success via experimental deployments, there are substantial open questions on the theoretical understanding of the performance of these estimators. This gap is largely …
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Robust Sketch Orchestration in Programmable Networks
As modern networks grow in scale and speed, sketch-based algorithms have become essential for achieving accurate and low-overhead network monitoring. These algorithms enable efficient data summarization, allowing network operators to monitor traffic patterns without placing significant …
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Network tomography based on flow level measurements
The primary aim of network tomography is to infer properties of networks from network traffic measurements. Internet traffic mainly consists of flows of packets that belong to World Wide Web accesses, file transfers, and e-mail, whose transmissions are mediated via the Transmission Control Protocol …
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A Method for PMU-Based Reconfigurable Monitoring
… very good observation of a small area of a network, but their relatively high cost prevents them from being deployed at every point. Therefore, to monitor an entire network, State Estimation is still required. By combining these two techniques, the accuracy and speed of power network …
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Investigation on the quality of videoconferencing over the Internet and intranet environments
… This thesis includes the study of various network-monitoring tools.
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Fault-tolerance and load management in a distributed stream processing system
Advances in monitoring technology (e.g., sensors) and an increased demand for online information processing have given rise to a new class of applications that require continuous, low-latency processing of large-volume data streams. These "stream processing applications" arise in many areas such as …
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A framework for secure applications with QoS
… a solution to support Quality of Service (QoS) network communication transactions modeled on differentiated services and economic principles. We propose an enhanced user-level negotiation protocol where transactions are accomplished in a secure mode and where resource allocations are simple and …
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Conserve and Protect Resources in Software-Defined Networking via the Traffic Engineering Approach
Software Defined Networking (SDN) is revolutionizing the architecture and operation of computer networks and promises a more agile and cost-efficient network management. SDN centralizes the network control logic and separates the control plane from the data plane, thus enabling flexible management …
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Vuvuzela : scalable private messaging that hides metadata
… making them ineffective in an era of pervasive network monitoring. Vuvuzela is a new scalable messaging system that offers strong privacy guarantees, hiding both message data and metadata. Vuvuzela is secure against adversaries that observe and tamper with all network traffic, and that control …
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Holistic Abstraction for Distributed Network Debugging
Computer networks are engineered for performance and flexibility, delivering billions of packets per second with high reliability, until they fail. It is during such time of crisis that debugging and troubleshooting come to the forefront, however, the focus on performance results in design …
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Adaptive Routing Using SDN and NFV
… multimedia applications. Due to ever-increasing network traffic, it is challenging for ISPs to accomplish optimal network conditions. To achieve high-quality services implementation of network monitoring and QoS routing algorithm is inevitable. Also, several modifications occur while network …
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A model-based alarm processor for the assessment of protection systems performance
… plant becomes an impossible task without remote monitoring and automated analysis of the huge volumes of data produced. During major storm conditions the information produced from network monitoring can also become unmanageable. Volumes of operational alarms, for example SCADA (Supervisory, …
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ZStream : a cost-based query processor for composite event detection
… stocks is monitored), detecting intrusion in network monitoring (where a specific sequence of malicious activities is detected) or catching break points in debugging systems (where a sequence of function calls are made). But even searching for a simple sequence pattern involving only equality …
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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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A multi-agent system for automated post-fault disturbance analysis
… the large volumes of data generated by modern network monitoring devices. Although a degree of automated assistance is provided by existing intelligent decision support tools, it remains for the protection engineer to manually collate and interpret the output of each system in order to compile …
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