Modelling of Ethernet networks by using INET framework

V diplomskem delu je predstavljeno modeliranje omrežij ethernet z ogrodjem OMNeT++ in njegovo nadgradnjo INET. Najprej je opisano programsko orodje za modeliranje in simulacije. Sledi predstavitev etherneta. V nadaljevanju so opisani moduli, ki jih ogrodje INET ponuja za modeliranje omrežij ethernet. Temu sledi predstavitev modeliranja na treh manjših omrežjih, in sicer na omrežju z vodilom, omrežju z zvezdišči in omrežju s stikali. Predstavljeni so rezultati, ki jih lahko dobimo s pomočjo ogrodja INET. Na koncu je izvedeno modeliranje večjega omrežja s protokoloma vpetega drevesa. Predstavljeno je, kaj vse nam ponuja ogrodje INET pri analizi delovanja omrežja in pri primerjavi protokolov.In this diploma thesis, the modelling of Ethernet networks by using the OMNeT++ framework and its upgrade INET is presented. First, a description of the software tool for modelling and simulation is given. It is followed by a presentation of Ethernet. Next, modules for modelling Ethernet networks offered by the INET framework are described. The presentation of modelling is carried out on three smaller networks. These are a bus network, a network with hubs and a network with switches. Then, the results of simulation which can be obtained by using the INET framework are presented. At the end of the thesis there is an example of modelling a larger network which uses spanning tree protocols. The thesis presents the possibilities the INET framework offers for performance analysis of the network and for comparison of the protocols