National Repository of Grey Literature 103 records found  1 - 10nextend  jump to record: Search took 0.01 seconds. 
Recursive IPC Network Architecture: Analyze and Model of Enrollment
Jeřábek, Kamil ; Marek, Marcel (referee) ; Halfar, Patrik (advisor)
This thesis is focused on analysis of the Enrollment and integration of this phase to model of Recursive InterNetwork Architecture (RINA) that is developed in the OMNeT++ simulation environment. In this thesis is the RINA architecture described generally. Furthermore, there are listed cases of the Enrollment and the Common Application Connection Establishement Phase, and it is described when starts and ends. The thesis is especially focused on design and implemntation of these phases of communication in the OMNeT++ simulation environment within Pristine project.
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.
Software defined networks
Flimel, Peter ; Smékal, Zdeněk (referee) ; Filka, Miloslav (advisor)
This diploma work describes the software-defined network focusing on optical networks. Subsequently designed their own software network that is implemented in the environment OMNeT ++. This work deals with SDN (software-defined network), and impact on current communications environment in the world of telecom-munications services.
Modelling and Simulation of Network Design Guides for IP Routing
Rybová, Veronika ; Ryšavý, Ondřej (referee) ; Matoušek, Petr (advisor)
This bachelor's thesis describes simulation of network using tools Packet Tracer and OMNeT++. Models of network are created according to design guides by Cisco company, which use routing protocols RIP, OSPF and redistribution. In order to provide full functionality of models in OMNeT++ it is necessary to implement protocol RIP and redistribution from protocol OSPF to protocol RIP. Practical usage of tools is demonstrated by simulations of accessibility and stability of network. Thesis investigates results of simulations and usage of both tools for simulation of networks. We use design guides, which are destined to design of real networks, and implement protocol according to standard RFC, therefore we suppose that this thesis will have practical usage for analysis and simulation of company's and academical networks.
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.
Simulation of communication part of modern industrial networks
Beneš, Pavel ; Blažek, Petr (referee) ; Fujdiak, Radek (advisor)
The thesis is focused on simulating of protocols from standard IEC 61850 in simulation tool OMNeT++. The theoretical part in the thesis deals with description of the field of operating technologies, supervisory control and data acquisition and protocols Tase-2/ICCP, IEC 61850, IEC 60870-5-104, DNP 3 and DLMS/COSEM. Next part deals with parameters influencing connection and description of simulation tools NS2/NS3, OPNET and OMNeT++. In the practical part there is created a network containing protocols from the standard IEC 61850 in the simulation program OMNeT++. Then in the network a end to end delay and packet loss with increasing traffic is measured.
Simulation and Optimization of Converged Networks Traffic
Turan, Jonáš ; Kenyeres, Martin (referee) ; Škorpil, Vladislav (advisor)
The aim of this work is to explore and describe possibilities of the network simulator OMNeT++, to create a user guide using this knowledge and make three tasks for computer exercise. In the first part, the principle and functionality of OMNeT++ are described theoretically, there are possibilities and area of focus. User guide can be used for basic understanding of the system. There is a description of the environment, the file composition and the basic operations. Individual tasks are focused on implementing technology DiffServ, RIP and OSPF. The goal of student is to assemble a simulation and learn basic functions of OMNeT++ and then evaluate the results.
Simulation of Network Behaviour Based on Analysis of Configuration of Active Network Devices
Scherfel, Peter ; Matoušek, Petr (referee) ; Ryšavý, Ondřej (advisor)
This bachelor's thesis describes simulation of computer networks using open source simulator OMNeT++. We implemented tool, witch generate all important settings for simulation from configuration files of Cisco routers. In this thesis is covered grammar of Cisco IOS. This thesis contains tutorial how to extend this tool with new IOS commands.
Simulation of Triple Play services in passive optical networks with OMNeT++ application
Puchrík, Matej ; Oujezský, Václav (referee) ; Horváth, Tomáš (advisor)
The thesis deals with dynamic bandwidth allocation in passive optical networks of NG- PON2 standard. The paper also describes the so-called. triple play services and the practical part is a simulation of these services in passive optical networks NG-PON2 in the simulation environment OMNeT ++. As part of this work modules for passive optical network NG-PON2 were created as an expansion of project INET. Namely ONU, OLT and splitter modules were created. The first four chapters are theoretical and descibe older standards PON networks, further NG-PON2 networks and DBA algorithm then describes triple play services and explains their current status respectively. In another part a description of the programm OMNeT++ a description of the structure of simulation models. The practical part contains a description of modules, implementation of DBA algorithm and its modification, design simulated topology and detailed description of the configuration simulation. At the end of the practical part presents the results of simulations with the corresponding explanations.
Modelling of L2 Loop-Preventing Protocols
Hrnčiřík, Matej ; Grégr, Matěj (referee) ; Veselý, Vladimír (advisor)
This thesis informs about currently used technologies, which provide loop protection on data link layer of computer networks. It clarifies issues of Ethernet networks. Chosen protocols are then closely described. There are presented advantages and disadvantages of chosen protocols and they are compared to other technologies. Practical section describes the initial implementation of IS-IS in OMNeT++ environment, which serves as the basic building block of TRILL protocol. An important issue is to verify correctness of implementation.

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