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DPDK Accelerated Firewall
Holubář, Jiří ; Fukač, Tomáš (referee) ; Vrána, Roman (advisor)
Nowadays, when almost everyone uses the Internet, network traffic security must also be ensured. This is what firewall helps with. Some routes require higher bandwidth than others. This thesis explores possibilities of using the DPDK library when implementing the firewall in order to achieve the highest possible bandwidth.
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Implementation of quality of service in a converged network
Zvolenský, Daniel ; Kovář, Petr (referee) ; Škorpil, Vladislav (advisor)
The point of this work is the creation of IP network with a proper topology, in Network Simulator version 2, where voice packet stream with recommended compresion by G.723 standard and real-time video by H.263 standard will be simulated. Theoretical part of this work consists of convergence of nets with an implementation of Quality of Services description. In practical part of this work is identification with bacis commands in program Network Simulator 2, which make possible simulation of network behaviour.
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Control and monitoring unit for optical link station
Ovčáček, Martin ; Kolka, Zdeněk (referee) ; Prokeš, Aleš (advisor)
The aim of Master's thesis "Control and monitoring unit for optical link station" is design of hardware and software of unit, which provides remote control and data transfer through Internet. It is required monitoring and setting analog parameters of optical link station by web service. It includes description of Ethernet and net protocols. The core of unit are microcontroller C8051F120 and ethernet controller CP2200 made by Silicon Laboratories.
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ECG Signal Transmission via Ethernet
Bayerová, Zuzana ; Provazník, Ivo (referee) ; Sekora, Jiří (advisor)
The semestral thesis describes ECG signal compression methods designed to modify the data for transmission via communication channels. The thesis contains an introduction to Ethernet and explanation of communication in the network. The transport protocols TCP and UDP are discussed in more detail. In the practical part of the thesis was created two separate applications. The first application in the sender's computer opens a text file with the ECG signal. Loaded ECG signal is filtered by cascade of filters to eliminate interference. The resulting signal is displayed. A part of the application is the R wave detection, calculating the length of RR interval and heart rate. The application also allows to compress an ECG signal. ECG signal is sent via Ethernet network via UDP protocol for individual samples. Applications in the recipient's computer receives signal samples from the network. Recieved compressed data is reconstructed. The resulting ECG signal is displayed and there are again detected R waves, the length of RR intervals and sampling frequency are calculated.
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Communication assembly for optical cableless linking
Kapuš, Martin ; Kovář, Jan (referee) ; Kolka, Zdeněk (advisor)
This Graduate Thesis is about communication module for optical wireless network. This device read data from RS232 port and two analog inputs and sends it through internet to a remote Computer. Furthermore allows voice communication between local user on module and user on remote computer. Device allows communication with standard headphones and microphone, or with Bluetooth handsfree. Basic part is microprocessor MCF5223 and Bluetooth Ezurio BISM II module. Control program has been written in C language. Printed circuit is created by EAGLE program. This device is managed via web interface and settings have been stored into EEPROM memory. Work contains description of separately parts and blocks, source code of program, description of source code and printed circuit designs.
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Special application of VoIP
Lembard, Tomáš ; Šebesta, Jan (referee) ; Fuchs, Michal (advisor)
The aim of this master's thesis is suggestion and following realization of voice transmission over the local network equipment and a description of used circuits and solutions in terms of hardware and software. This thesis deals with digitization of low-frequency signals, the structure of IP and UDP protocols, implementation of TCP/IP stack cIPS
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The design of control unit for UAV robot.
Arnošt, Petr ; Marada, Tomáš (referee) ; Věchet, Stanislav (advisor)
This diploma thesis is focused on the design of the control software for the unmanned aerial vehicle. Parrot Ar.Drone quadrocopter was a representative of the unmanned aerial vehicle. This thesis describes the way of control and communication with the unmanned aerial vehicle. Based of this information the flight control software for Ar.Drone quadrocopter is created.
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UDP a TCP Communication for FITkit
Musil, Martin ; Strnadel, Josef (referee) ; Vašíček, Zdeněk (advisor)
The aim of this thesis was to extend educational platform FITkit for the possibility of communication via TCP and UDP protocol. Communication is provided by Ethernet module ENC28J60 from Microchip. Communication protocols are provided by library enc28j60, which is implemented in C language. The theoretical part deals with analysis of network protocols to be implemented. Work continues describing the characteristics and parameters of the connected module. Followed by a design library in which is particular emphasis on limited computing resource of the platform. In the implementation of the work is to describe the application interface and the basic principles of the library.
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Control of mobile robot
Vožda, Ondřej ; Skula, David (referee) ; Šembera, Jaroslav (advisor)
This thesis describes questions of developing the system for remote and presence control of a mobile robot (wheelchair). It is concerned with choice of a proper protocol for communications via wireless network, transmission of images from webcam and data from joystick. Next objective of the thesis is recognizing surrounding obstacles using ultrasonic range finders. Thesis describes observation arisen from using this type of sensors. One of the most important points of the thesis is to discuss the safety of usage of the developed system. In conclusion, possibilities for future development are stated.
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HW and SW for Ethernet-to-IEEE802.15.4 bridge
Růžička, Tomáš ; Štohl, Radek (referee) ; Fiedler, Petr (advisor)
In this work we deal with the converter, to serve as a bridge between the two protocols. These protocols are Ethernet and wireless IEEE 802.15.4 protocol. Wireless part of this work, however, I simulated via serial RS 232nd After Ehternetu can send data via TCP or UPD protocol. First is the need for a converter to connect to the network and then create a packet. Finally, it is necessary to also address the views received and sent data via Ethernet and the RS-232.
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