National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Optimization of signalization channel for Internet television
Matej, Michal ; Balej, Jiří (referee) ; Müller, Jakub (advisor)
The aim of this Bachelor's thesis is to propose a mechanism for optimizing the signaling channel in case of Feedback Target overload in hierarchical aggregation tree. Consequently to this verify the implementation of this mechanism in simulation environment of Java and to achieve the balance load among Feedback Targets. The theoretical part discusses the significant differences between traditional television transmission and television transmitted via the IP protocol, the methods of data transmission in IP network and key protocol called Tree Transmission Protocol working on the application layer of TCP/IP model. In this part there are explained the concepts of hierarchical aggregation of feedback channel such as Feedback Target Manager, Feedback Target, as well as packets FTD, FTS, and FTI.
Performance and security testing of network applications
Matej, Michal ; Martinásek, Zdeněk (referee) ; Zeman, Václav (advisor)
The aim of this Master's thesis is to design and to implement the security test in considering a resistance of the device under test to the effects of the distributed denial of service attack DDoS SYN Flood. After processing the test results is developed a protocol about security test of the device under test. In this thesis are tested two devices, namely CISCO ASA5510 firewall and a server with the specified name Server. The theoretical part of the thesis discusses the primary types of network attacks such as reconnaissance, gain access and denial of service attacks. Explained the concept of DoS and its principle, further types of DoS attacks and distributed denial of service attacks DDoS.

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