ITC/USA 2010 Conference Proceedings / The Forty-Sixth Annual International Telemetering Conference and Technical Exhibition / October 25-28, 2010 / Town and Country Resort & Convention Center, San Diego, California / Network switches are an integral part of most network-based data acquisition systems. Switches fall into the category of network infrastructure. They support the interconnection of nodes and the movement of data in the overall network. Unlike endpoints such as data acquisition units, recorders, and display modules, switches do not collect, store or process data. They are a necessary expense required to build the network. The goal of this paper is to show how a small integrated network switch can be used to maximize the value proposition of a given switch port in the network. This can be accomplished by maximizing the bandwidth utilization of individual network segments and minimizing the necessary wiring needed to connect all the network components.

Nowadays, the methods of improving the Reliability of network packets are existent. Some start with the software and others with the hardware. For example, like the Dual System, Redundancy or Fault Tolerant Network, etc. However, it costs a lot to construct the required mechanism, and these methods are not reliable for some special network packets, like the UDP packet. Is there a method to raise the reliability of UDP packet just to increase the software equipments or hardware equipments? The network controller that improves the Reliability of UDP Packets in this thesis uses the same two packets, and it transfers the two packets into different network paths to the same destination workstation. This mechanism can avoid the network accidents causing by the network wires breaking or the network switch machine turn-off, and the destination workstation can¡¦t be hurt from the damage of losing the information carried by UDP packets. Moreover, this method can detect the network accidents as the function of the Fault Tolerant Network by using the dual packets, and send signals to alert the network manager ahead of time. In addition, by using the network controller, network manager or constructor mentioned in this thesis, the RNP topology can be easily built, just by connecting the RNP type wires to the network switches or network bridges.

This master's work deals with the design of laboratory exercises for Cisco Academy courses. Especially is oriented on Cisco technology. The theoretical part describes various devices used in the laboratory and the issue of functionality of these devices, such as switching, routing and solve any problems with the configurations of these elements. The practical part is directly generated designs laboratory exercises, focusing on specific examples of the problems from the configuration and network management with Cisco. An integral part of work consists of supporting the presentation of individual laboratory tasks, including configuration files, settings of the device. Create labs and verify the functionality of their configuration has been realized in the laboratory Cisco Academy Brno.

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This thesis deals with the problem of priority network switch, the model of which was developed in the C++ language. The traffic optimization task is solved by the use of several artificial neural networks, which are described, compared to each other and then evaluated which of them is more suitable for this task. The result of this work is a model of network switch and a comparison of computational time complexity of solving the optimization problem using the artificial neural network. The thesis was developed in research project MSM 0021630529 Intelligent Systems in Automation.