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Web Portal for Network Traffic Reporting
Dufek, Milan ; Straka, Martin (referee) ; Tobola, Jiří (advisor)
This thesis deals with gathering and analysis of statistic data about network traffic, it also deals with preserving and displaying such a data. The goal of this thesis is simple and quick user interface in web portal. The source of the statistic data is NetFlow technology. We use NfDump tool for reading the gathered data. Implementation is done in PHP, XHTML, CSS and JavaScript. SQLite Database is used for preserving the data.
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Web Portal for Network Traffic Anotation
Málik, Peter ; Tobola, Jiří (referee) ; Žádník, Martin (advisor)
Bachelor´s thesis aim is to create a system for network traffic anotation. For this purpose it is necessary to correctly determine the protocols for all layers of the network model TCP/IP. To identify the application layer protocol is used a method based on port numbers and a method based on tracing the signatures in packet´s data field by using regular expressions. Web portal was written in PHP, using the extension phpcap and tcpdump program, which provides manual anotation of network traffic.
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Information System for Fair User Policy Management
Vykydal, Oldřich ; Žádník, Martin (referee) ; Tobola, Jiří (advisor)
Main goal of this bachelor's thesis is to design and implement information system for the management of Fair User Policy, or abbreviated as FUP. This whole project is based on the use of NetFlow technology to monitor the computer network through the monitoring of network flows. The resulting information system will enable network administrators to set limits to customers in the volume of transferred data and subsequent monitoring of their compliance. If the customer is in breach of these limits, the information system will allow the penalty. The system will also record some statistics on network traffic.
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Web Portal for Network Traffic Reporting
Zapletal, Petr ; Straka, Martin (referee) ; Tobola, Jiří (advisor)
This thesis deals with the design and implementation of web portal with reports about network traffic. This system is designed for easy network monitoring with transparent charts a tables. To obtain statistics from network traffic, NetFlow technology, which is the key part of system, is used. Portal is platform independent and is built around HTML and PHP technologies. Portal also allows export proccessed data through periodic email service or files in PDF format.
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XML Representation of Network Traffic
Novák, Martin ; Ščuglík, František (referee) ; Ráb, Jaroslav (advisor)
This bachelor work deals with the representation of captured network traffic in XML and storing within a database system Oracle by using XML schema. The beginning explains the basics of computer networks, network management and network protocols that are captured. Followed by chapters on network traffic analyzer, NetPDL format used to describe intercepted traffic, a chapter devoted to the foundation of relational database systems and the foundation of Oracle database system. At the end of the bachelor work there are chapters dealing with the created XML schemas, implementation of the program, program tools and the description how to use the program.
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Web Portal for Network Traffic Reporting
Lízal, Miroslav ; Žádník, Martin (referee) ; Tobola, Jiří (advisor)
This thesis focuses on development of a web portal, which provides information about network traffic. It describes available technologies, which can be used for the network monitoring. It puts emphasis especially on NeTFlow. This paper also descirebs the whole development cycle from analysis to implementation and testing. The outcome of this work is a online system, based on PHP language and PostgreSQL database, which creates reports on the network traffic and makes them accessible via WWW. It is also able to save these reports to a PDF file.
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Detection and Analysis of P2P Network BitTorrent Sync
Kutlák, Martin ; Polčák, Libor (referee) ; Matoušek, Petr (advisor)
Bachelor's thesis is focused on issues with detection of the P2P network BitTorrent Sync in network traffic. In the theoretical part of this work is introduced architecture of the P2P networks, BitTorrent Sync protocol and possible methods for P2P network detection. On the base of this knowledge is designed tool for detection of BitTorrent Sync network traffic. In the practical part of this thesis is presented implementation of the whole monitoring system. In the end of practical part are presented results of conducted tests with monitoring system.
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Prediction of data flow in computer networks
Zvěřina, Lukáš ; Sobek, Jiří (referee) ; Vychodil, Petr (advisor)
The aim of this thesis was to study problems of prediction of data in computer networks. Furthermore, this work deals with network traffic and analyzing its properties. In this study were analyzed the possibilities of network traffic prediction using Farima model, the theory of chaos with Lyapunov exponents and neural networks. Possibilities of prediction with the focus on neural network were discussed in detail here, mainly on recurrent neural networks. Prediction was performed in Matlab development environment in Neural Network Toolbox, where they were created, trained and evaluated neural network to predict specific types of network traffic. For testing were selected Elman network NARX network and general LRN recurrent network. The results were clearly organized into tables and plotted in graphical relationships before and after the use of predictive techniques designed to final evaluation.
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Nonlinear analysis and prediction of network traffic
Člupek, Vlastimil ; Burget, Radim (referee) ; Vychodil, Petr (advisor)
This thesis deal with an analysis of network traffic and its properties. In this thesis are discussed possibilities of prediction network traffic by FARIMA model, theory of chaos with Lyapunov exponent and by neural networks. The biggest attention was dedicated to prediction network traffic by neural networks. In Matlab with using Neural Network Toolbox were created, trained and tested recurrent networks for prediction specific types of network traffics, which was captured on local network. There were choosed Elman network, LRN and NARX network to test the prediction of network traffic, results were discussed. Thesis also introduce area of application ability prediction of network traffic, there is introduce design of system for dynamic allocation bandwidth with particular description of its prediction part. Thesis also states possible use designed system for dynamic allocation of bandwidth.
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Mathematical Analysis of Captured Network Traffic
Soós, Tibor ; Koutný, Martin (referee) ; Hošek, Jiří (advisor)
This thesis is considering with network traffic analysis and prediction of real networks default services. The first part of this paper is containing the theoretical explanation of the mathematical model’s needs. These models are mainly used as a part of simulation algorithms which are describing the processes of network traffic simulations. The second part is describing the process how to apply the models to mathematically analyze the captured traffic. The capture is including all kind of packet types which can appear on the real network. At the last part of the thesis is described the detailed design of the prediction algorithm’s which are developed in programing language of Matlab® Mathworks®.
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