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Similarity Searching in Network Data
Hud, Jakub ; Krobot, Pavel (referee) ; Wrona, Jan (advisor)
This bachelor thesis is interested in analyzing IP flow records. IP flow record contains IP flow metadata of specific network communication such as IP addresses, port numbers, network protocol numbers and other. Main goal is to design and implement metrices to determine similarity of NetFlow records. At the beginning of this thesis is description of how to analyze great amount of data. Next there are shown network monitoring technicies and NetFlow. Other parts of this thesis are dedicated to design and implementation of data analysis using DBSCAN algorithm. Implementation of data analysis application is also part of this thesis. As a result, the application can be used to network scan detection using NetFlow data although the results are not very clear and contain a lot of legitimate communication.
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Similarity Searching in Network Data
Hud, Jakub ; Matoušek, Denis (referee) ; Wrona, Jan (advisor)
This bachelor thesis is interested in analyzing IP flow records. IP flow record contains IP flow metadata of specific network communication such as IP addresses, port numbers, network protocol numbers and other. Main goal is to design and implement method for determination of similarity of NetFlow records. At the beginning of this thesis is description of how to analyze great amount of data. Next there are shown network monitoring technicies and NetFlow. Other parts of this thesis are dedicated to design and implementation of data analysis using DBSCAN and agglomerative hierarchical clustering algorithms. Implementation of data analysis application is also part of this thesis. As a result, the application can be used to network scan detection using NetFlow data although the results are not very clear and contain a lot of legitimate communication.
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Security and Performance Testbed for Simulation of Proof-of-Stake Protocols
Hud, Jakub ; Perešíni, Martin (referee) ; Homoliak, Ivan (advisor)
Tato práce se zabývá testováním výkonu a bezpečnosti konsensus protokolů typu Proof-of-Stake (PoS). Na teoretické úrovni porovnává protokoly ProPos, Algorand, Hedera, Ouroboros a Tezos z pohledu výkonu, možností útoků a obraně proti těmto útokům. Součástí práce je implementace simulačního frameworku v Omnet++ 5.4.1 pro provádění simulačních experimentů s protokoly ProPos, Algorand a Hedera. Simulace se zabývají zejména výkonem těchto protokolů. Na základě zjištěných výsledků jsou navržena určitá vylepšení.
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Security and Performance Testbed for Simulation of Proof-of-Stake Protocols
Hud, Jakub ; Perešíni, Martin (referee) ; Homoliak, Ivan (advisor)
Tato práce se zabývá testováním výkonu a bezpečnosti konsensus protokolů typu Proof-of-Stake (PoS). Na teoretické úrovni porovnává protokoly ProPos, Algorand, Hedera, Ouroboros a Tezos z pohledu výkonu, možností útoků a obraně proti těmto útokům. Součástí práce je implementace simulačního frameworku v Omnet++ 5.4.1 pro provádění simulačních experimentů s protokoly ProPos, Algorand a Hedera. Simulace se zabývají zejména výkonem těchto protokolů. Na základě zjištěných výsledků jsou navržena určitá vylepšení.
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Similarity Searching in Network Data
Hud, Jakub ; Krobot, Pavel (referee) ; Wrona, Jan (advisor)
This bachelor thesis is interested in analyzing IP flow records. IP flow record contains IP flow metadata of specific network communication such as IP addresses, port numbers, network protocol numbers and other. Main goal is to design and implement metrices to determine similarity of NetFlow records. At the beginning of this thesis is description of how to analyze great amount of data. Next there are shown network monitoring technicies and NetFlow. Other parts of this thesis are dedicated to design and implementation of data analysis using DBSCAN algorithm. Implementation of data analysis application is also part of this thesis. As a result, the application can be used to network scan detection using NetFlow data although the results are not very clear and contain a lot of legitimate communication.
|
|
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Similarity Searching in Network Data
Hud, Jakub ; Matoušek, Denis (referee) ; Wrona, Jan (advisor)
This bachelor thesis is interested in analyzing IP flow records. IP flow record contains IP flow metadata of specific network communication such as IP addresses, port numbers, network protocol numbers and other. Main goal is to design and implement method for determination of similarity of NetFlow records. At the beginning of this thesis is description of how to analyze great amount of data. Next there are shown network monitoring technicies and NetFlow. Other parts of this thesis are dedicated to design and implementation of data analysis using DBSCAN and agglomerative hierarchical clustering algorithms. Implementation of data analysis application is also part of this thesis. As a result, the application can be used to network scan detection using NetFlow data although the results are not very clear and contain a lot of legitimate communication.
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