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Modelling and Reliability Analysis of Campus Network at the BUT
Kraus, Zdeněk ; Ryšavý, Ondřej (referee) ; Veselý, Vladimír (advisor)
This thesis informs about technologies and architecture of computer network at BUT. It describes chosen technologies and some of theirs variants. Further, it contains simulation model design of a network switch device. That is followed by the model implementation with detailed description of model parts. Then, the model is tested on a set of simulation scenarios and it is evaluated in comparison with theoretical basis and real devices. In conclusion, thesis suggests future model development and improvements.
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Design of reliable enterprise networks with service quality support
Kiška, Martin ; Koutný, Martin (referee) ; Novotný, Vít (advisor)
This work deals with creating a reliable corporate network and its variety capabilities against loops and supporting QoS on link and network layer. On the basis of theoretical knowledge is designed an experimental network in the laboratory of Institute of Telecommunications composed of several computers, VoIP pohones, switches and routers. Functinonal network is then tested to failure of individual nodes and the impact on network traffic. In another part of this bachelor thesis this network is tested using different QoS support options.
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Modeling and Simulation of Spanning-Tree Protocol
Poláčeková, Simona ; Marek, Marcel (referee) ; Veselý, Vladimír (advisor)
This term project deals with the functionality of Spanning Tree protocols, especially the Rapid Spanning Tree Protocol, and the Multiple Spanning Tree Protocol. The primary usage of spanning tree protocols is the prevention of loops within the data link layer, the prevention of a broadcast storm, and also dealing with redundancy in the network. Moreover, the project contains the description of configuration of these protocols on Cisco devices. The main goal of this thesis is to implement the Multiple Spanning Tree protocol into INET framework within the OMNeT++ simulation system. Then, the implemented solution is tested and it's functionality is compared with the referential behavior in a Cisco network.
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Evolution of link layer loop prevention protocols
Březina, Jiří ; Frolka, Jakub (referee) ; Slavíček, Karel (advisor)
This bachelor thesis deals with the possibility of eliminating and creation loops on theData Link layer of the OSI model. At first, it was necessary to determine what arethe loops and how they are formed. Then the solution of the problem with loops waspresented as the Spanning Tree protocol, where did the protocol come from, protocoloperation, his advantages and disadvantages. In next section were discussed other vari-ants of original STP, as well as his alternatives, like for example the TRILL or the SPBprotocol. The practical part of this work is based on the theoretical and shows howSpanning Tree protocols work in practice on real devices. This part is mainly focusedto testing the speed of convergence each of protocols and also their extensions. In theend is mentioned a laboratory task, which is part of the appendices and forms the mainbenefit of the whole thesis, because future students at school subject “network architec-ture” can try to configure protocols that was mentioned above and better understandhow these protocols work.
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ISP Network Optimalization
Čech, Ondřej ; Podermański, Tomáš (referee) ; Grégr, Matěj (advisor)
Bachoelor's thesis is focusing on analysis of network local ISP, detecting actual problems and offering a solution for founded problems. There were problems with broadcast-storm, private address space, RSTP protocol settings and DHCP spoofing. The following changes were introduced: OSPF routing, RSTP override, automatic backup, client separation using DHCP. There has been a reduction in broadcast traffic and associated broadcast-storm.
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Design of internet service provider data networks
Vodehnal, Stanislav ; Urban, František (referee) ; Novotný, Vít (advisor)
This bachelor thesis deals with techniques for designing data networks. They described a group of protocols STP and virtual networks VLAN that are still getting a lot of use. They are further described advanced techniques for the design of data networking protocols such as PB, PBB and SPB. Conclusion of work is a laboratory exercise dealing with the VLAN and QinQ.
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Modeling and Simulation of Spanning-Tree Protocol
Poláčeková, Simona ; Marek, Marcel (referee) ; Veselý, Vladimír (advisor)
This term project deals with the functionality of Spanning Tree protocols, especially the Rapid Spanning Tree Protocol, and the Multiple Spanning Tree Protocol. The primary usage of spanning tree protocols is the prevention of loops within the data link layer, the prevention of a broadcast storm, and also dealing with redundancy in the network. Moreover, the project contains the description of configuration of these protocols on Cisco devices. The main goal of this thesis is to implement the Multiple Spanning Tree protocol into INET framework within the OMNeT++ simulation system. Then, the implemented solution is tested and it's functionality is compared with the referential behavior in a Cisco network.
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Evolution of link layer loop prevention protocols
Březina, Jiří ; Frolka, Jakub (referee) ; Slavíček, Karel (advisor)
This bachelor thesis deals with the possibility of eliminating and creation loops on theData Link layer of the OSI model. At first, it was necessary to determine what arethe loops and how they are formed. Then the solution of the problem with loops waspresented as the Spanning Tree protocol, where did the protocol come from, protocoloperation, his advantages and disadvantages. In next section were discussed other vari-ants of original STP, as well as his alternatives, like for example the TRILL or the SPBprotocol. The practical part of this work is based on the theoretical and shows howSpanning Tree protocols work in practice on real devices. This part is mainly focusedto testing the speed of convergence each of protocols and also their extensions. In theend is mentioned a laboratory task, which is part of the appendices and forms the mainbenefit of the whole thesis, because future students at school subject “network architec-ture” can try to configure protocols that was mentioned above and better understandhow these protocols work.
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ISP Network Optimalization
Čech, Ondřej ; Podermański, Tomáš (referee) ; Grégr, Matěj (advisor)
Bachoelor's thesis is focusing on analysis of network local ISP, detecting actual problems and offering a solution for founded problems. There were problems with broadcast-storm, private address space, RSTP protocol settings and DHCP spoofing. The following changes were introduced: OSPF routing, RSTP override, automatic backup, client separation using DHCP. There has been a reduction in broadcast traffic and associated broadcast-storm.
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Design of internet service provider data networks
Vodehnal, Stanislav ; Urban, František (referee) ; Novotný, Vít (advisor)
This bachelor thesis deals with techniques for designing data networks. They described a group of protocols STP and virtual networks VLAN that are still getting a lot of use. They are further described advanced techniques for the design of data networking protocols such as PB, PBB and SPB. Conclusion of work is a laboratory exercise dealing with the VLAN and QinQ.
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