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Identifying P2P Users Using Traffic Analysis
Jalsovszky, Zoltán ; Tobola, Jiří (referee) ; Žádník, Martin (advisor)
Bachelor's thesis deals with methods of detection of P2P users like BitTorrent, DC++, Gnutella and others. An application was created, which is able to detect these users using multiple ways. This method combines analysis of packet payload and analysis of network traffic and flows, so more exact detection is possible. Application is written in C++ programming language, and is built on open-source tool L7-filter.
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IEC 61850 industrial communication simulator
Srp, Jakub ; Pospíšil, Ondřej (referee) ; Blažek, Petr (advisor)
This thesis is focused on IEC 61850 communication protocols SMV, GOOSE and MMS and their implementation in SCADA systems. There is a simulator, run on Raspberry Pi, that generates data according to IEC 61850 and transmits the data using protocols in question. The simulation consist of various virtual devices e.g. surge protection, undervoltage protection, circuit breaker, disconnector, HMI. The MMS protocol is used for station control. Simulation can be user-defined from textual configuration file.
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Emulator for Intelligent Home End Stations
Šutovský, Filip ; Košař, Vlastimil (referee) ; Korček, Pavol (advisor)
This thesis deals with design and implementation of an application emulating end stations in intelligent home system, which are used to measure physical quantities and interact with switches. Application has a comprehensive graphical user interface developed in programming language Java, which allows testing of other system layers and recording of statistical data about emulation contributing to system analysis.
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Programming of Networking Applications on Different Platforms
Vach, Martin ; Čejka, Rudolf (referee) ; Matoušek, Petr (advisor)
The aim of this thesis is compare the network communication protocols and their implementations on different platforms. In the work are described the used communication protocols and the possibilities of their implementation in different programming languages. There are described procedures for implementation of network communication on the demonstration application and testing of these implementations. Based on the results of testing, are the communication protocols and their implementations compared.
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Implementation of ethernet communication inteface into FPGA chip
Skibik, Petr ; Fujcik, Lukáš (referee) ; Bohrn, Marek (advisor)
The thesis deals with the implementation of Ethernet-based network communication interface into FPGA chip. VHDL programming language is used for description of the hardware. The interface includes the implementation of link-layer Ethernet protocol and network protocols such as IPv4, ARP, ICMP and UDP. The final design allows bi-directional communication on the transport-layer level of TCP/IP model. The designed interface was implemented into Virtex5 FPGA chip on development board ML506 by Xilinx.
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Ethernet Interface Module on FITkit Platform
Šoustar, Jiří ; Vašíček, Zdeněk (referee) ; Šimek, Václav (advisor)
This graduation thesis is aimed at design and implementation of embedded systems, network communication and support of the network communication for embedded systems. Furthermore it introduces school platform FITkit and offers a conceptional extension of the network interface for this platform based on Ethernet network standard. Based on that conception I'm trying to find and describe suitable solution for FITkit platform which realizes a network interface as a form of extension module capable of development supporting.
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Data Collecting Application in Wireless Sensor Network for Measuring Relative Humidity of Air
Procházka, Stanislav ; Macháň, Ladislav (referee) ; Jaroš, David (advisor)
The master work is focused on the design and implementation of two parts of the system for measuring temperature and relative humidity. The system for measuring temperature and relative humidity consists of a network of wireless sensors, a ISM/Wifi converter and application which will collect, analyze and archive data. The design and implementation of ISM/Wifi converter as well as the design and implementation of application are described in this work. ISM/Wifi converter will be able to communicate with the network of wireless sensors through ISM/Wifi protocol and end device (the device with Android operating system) by means of IEEE 802.11 protocol. The application will be able to evaluate, to save and to present user the received data very clearly.
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Network Protocol Analyzer
Pšorn, Daniel ; Žádník, Martin (referee) ; Tobola, Jiří (advisor)
Object of this thesis is to find the way how to program network protocol analyzer on the highest level of ISO/OSI model. We need to use some of the methods for detection of application protocols. The software described in this thesis uses traditional application level traffic identification method and signature-mapping-based method. Basic platform is FreeBSD operating system. Programming language is C using libpcap library.
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